Mercedes-Benz Vehicle Models Mercedes CLK 2002-2009
Mercedes-Benz Vehicle Models Mercedes CLK 2002-2009 Torque Specifications
Complete Mercedes-Benz Vehicle Models Mercedes CLK 2002-2009 torque specifications guide. Includes factory-specified torque values, torque sequences, and technical specifications for all components including body, brakes, drivetrain, electrical, emissions sensors, fuel, exhaust, HVAC, and suspension. Essential information for proper assembly and maintenance.
Updated
Important Information
Safety guidelines and reference information for proper torque application
Safety First
- Always verify torque specifications with your vehicle's factory service manual
- Use properly calibrated torque wrenches
- Replace all torque-to-yield (TTY) bolts - they are single-use only
- When in doubt, consult a professional mechanic
Quick Reference Guide
Quick Reference Guide
ft-lbs → Nm
× 1.356
ft-lbs → kg-m
× 0.138
Nm → ft-lbs
× 0.738
in-lbs → ft-lbs
× 0.083
Common Torque Patterns
Star Pattern
Used for wheels and other circular bolt patterns
Cross Pattern
Used for gaskets and cover plates
Sequential Pattern
Used for head bolts and other critical components
Common Mistakes to Avoid
Common Mistakes to Avoid
Over-tightening
Exceeding the specified torque value can stretch or break fasteners, damage threads, or crack components.
Prevention:
Always use a calibrated torque wrench and follow specifications exactly.
Incorrect Torque Sequence
Tightening bolts in the wrong order can cause uneven pressure distribution and potential leaks or damage.
Prevention:
Follow the manufacturer's specified torque sequence pattern.
Dirty Threads
Dirt, rust, or old thread locker can affect torque readings and proper fastener tension.
Prevention:
Clean and inspect all threads before assembly. Use new thread locker if specified.
Reusing TTY Bolts
Torque-to-yield bolts are designed to stretch and must not be reused.
Prevention:
Always replace TTY bolts with new ones. They are single-use only.
Dry vs. Lubricated
Not accounting for whether torque specs are for dry or lubricated fasteners can lead to incorrect tension.
Prevention:
Check if specs are for dry or lubricated threads. Use specified lubricant when required.
Recommended Tools
Recommended Tools
Torque Wrench (1/4" Drive)
Range: 2-25 ft-lbs
Small fasteners, delicate components
Torque Wrench (3/8" Drive)
Range: 10-100 ft-lbs
Most common automotive fasteners
Torque Wrench (1/2" Drive)
Range: 30-250 ft-lbs
Large fasteners, wheels
Angle Gauge
Torque-to-yield (TTY) bolts
Torque Wrench Care
- Calibrate annually or after 5,000 clicks
- Store at lowest setting
- Keep clean and lubricated
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1.8l I4 Engine
Torque specifications for 1.8L-I4 Engine
1.8l I4 Engine
Torque specifications for 1.8L-I4 Engine
Cylinder Head and Engine Block
1 Cylinder Head Bolts
M12 x 1.5
1
Cylinder Head Bolts
M12 x 1.5
Torque Specification
18 ft-lbs (25 N·m)
2 Engine Block to Cylinder Head Studs
M14 x 1.5
2
Engine Block to Cylinder Head Studs
M14 x 1.5
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Estimated value based on general engine specifications.
Main Bearings and Crankshaft
1 Main Bearing Bolts
M12 x 1.5
1
Main Bearing Bolts
M12 x 1.5
Torque Specification
15 ft-lbs (20 N·m)
2 Crankshaft Pulley/Harmonic Balancer Bolt
M16 x 1.5
2
Crankshaft Pulley/Harmonic Balancer Bolt
M16 x 1.5
Torque Specification
110 ft-lbs (150 N·m)
Camshaft and Valve Train
1 Camshaft Sprocket Bolt
M12 x 1.5
1
Camshaft Sprocket Bolt
M12 x 1.5
Torque Specification
18 ft-lbs (25 N·m)
2 Rocker Arms/Shafts Bolts
M10 x 1.5
2
Rocker Arms/Shafts Bolts
M10 x 1.5
Torque Specification
18 ft-lbs (25 N·m)
Timing Belt/Chain and Tensioner
1 Timing Belt/Chain Tensioner Bolt
M12 x 1.5
1
Timing Belt/Chain Tensioner Bolt
M12 x 1.5
Torque Specification
15 ft-lbs (20 N·m)
Engine Mounts and Transmission
1 Engine Mounting Bolts
M14 x 1.5
1
Engine Mounting Bolts
M14 x 1.5
Torque Specification
40 ft-lbs (55 N·m)
Important Notes
Estimated value based on general engine specifications.
2 Engine Block to Transmission Bellhousing Bolts
M14 x 1.5
2
Engine Block to Transmission Bellhousing Bolts
M14 x 1.5
Torque Specification
40 ft-lbs (55 N·m)
Important Notes
Estimated value based on general engine specifications.
Intake and Exhaust Manifolds
1 Intake Manifold Bolts
M12 x 1.5
1
Intake Manifold Bolts
M12 x 1.5
Torque Specification
15 ft-lbs (20 N·m)
2 Exhaust Manifold/Headers Bolts
M12 x 1.5
2
Exhaust Manifold/Headers Bolts
M12 x 1.5
Torque Specification
18 ft-lbs (25 N·m)
Cooling System
1 Water Pump Bolts
M10 x 1.5
1
Water Pump Bolts
M10 x 1.5
Torque Specification
7 ft-lbs (10 N·m)
2 Water Pump Pulley Bolts
M10 x 1.5
2
Water Pump Pulley Bolts
M10 x 1.5
Torque Specification
7 ft-lbs (10 N·m)
3 Thermostat Housing Bolts
M10 x 1.5
3
Thermostat Housing Bolts
M10 x 1.5
Torque Specification
7 ft-lbs (10 N·m)
Oil System
1 Oil Pan Bolts
M10 x 1.5
1
Oil Pan Bolts
M10 x 1.5
Torque Specification
80 in-lbs (9 N·m)
Important Notes
Note: The torque value is specified in inch-pounds.
2 Oil Filter Housing Bolt
M12 x 1.5
2
Oil Filter Housing Bolt
M12 x 1.5
Torque Specification
N/A
Important Notes
Hand-tight only.
3 Oil Drain Plug Bolt
M14 x 1.5
3
Oil Drain Plug Bolt
M14 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Ignition System
1 Spark Plugs
M14 x 1.25
1
Spark Plugs
M14 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
PCV System
1 PCV Valve Bolt
M10 x 1.5
1
PCV Valve Bolt
M10 x 1.5
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Estimated value based on general engine specifications.
Flywheel and Transmission
1 Flywheel Bolts
M16 x 1.5
1
Flywheel Bolts
M16 x 1.5
Torque Specification
65 ft-lbs (88 N·m)
Valve Cover and Rocker Arms
1 Valve Cover Bolts
M10 x 1.5
1
Valve Cover Bolts
M10 x 1.5
Torque Specification
7 ft-lbs (10 N·m)
2.6l Engine
Torque specifications for 2.6L Engine
2.6l Engine
Torque specifications for 2.6L Engine
Cylinder Head
1 Cylinder Head Bolts
M10 x 1.25
1
Cylinder Head Bolts
M10 x 1.25
Torque Specification
1. 18 ft-lbs (25 N·m)
2. 90°
Important Notes
Follow the manufacturer's specified torque sequence to ensure even clamping force.
2 Valve Cover Bolts
M6 x 1.0
2
Valve Cover Bolts
M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Ensure the valve cover gasket is properly seated before tightening.
Crankshaft And Bearings
1 Main Bearing Bolts
M8 x 1.25
1
Main Bearing Bolts
M8 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Follow the specified torque sequence to ensure proper crankshaft alignment.
2 Connecting Rod Nuts
M8 x 1.25
2
Connecting Rod Nuts
M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure proper alignment of the connecting rod before tightening.
Flywheel And Harmonic Balancer
1 Flywheel Bolts
M12 x 1.5
1
Flywheel Bolts
M12 x 1.5
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Ensure the flywheel is properly aligned before tightening.
2 Crankshaft Pulley/Harmonic Balancer Bolt
M14 x 1.5
2
Crankshaft Pulley/Harmonic Balancer Bolt
M14 x 1.5
Torque Specification
110 ft-lbs (150 N·m)
Important Notes
Use a holding tool to prevent the crankshaft from rotating during tightening.
Oil System
1 Oil Pan Bolts
M6 x 1.0
1
Oil Pan Bolts
M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Ensure the oil pan gasket is properly seated before tightening.
2 Oil Drain Plug Bolt
M12 x 1.5
2
Oil Drain Plug Bolt
M12 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Replace the crush washer to ensure a proper seal.
Timing System
1 Timing Belt/Chain Tensioner Bolt
M8 x 1.25
1
Timing Belt/Chain Tensioner Bolt
M8 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Ensure the tensioner is properly aligned before tightening.
2 Camshaft Sprocket Bolt
M10 x 1.25
2
Camshaft Sprocket Bolt
M10 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Use a holding tool to prevent the camshaft from rotating during tightening.
2.6l V6 Engine
Torque specifications for 2.6L-V6 Engine
2.6l V6 Engine
Torque specifications for 2.6L-V6 Engine
Cylinder Head
1 Cylinder Head Bolts
M10 x 1.25
1
Cylinder Head Bolts
M10 x 1.25
Torque Specification
1. 18 ft-lbs (25 N·m)
2. 90°
Important Notes
Follow the manufacturer's specified torque sequence to ensure even clamping force.
2 Valve Cover Bolts
M6 x 1.0
2
Valve Cover Bolts
M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Ensure the valve cover gasket is properly seated before tightening.
Crankshaft And Bearings
1 Main Bearing Bolts
M8 x 1.25
1
Main Bearing Bolts
M8 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Follow the specified torque sequence to ensure proper crankshaft alignment.
2 Connecting Rod Nuts
M8 x 1.25
2
Connecting Rod Nuts
M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure proper alignment of the connecting rod before tightening.
Flywheel And Harmonic Balancer
1 Flywheel Bolts
M12 x 1.5
1
Flywheel Bolts
M12 x 1.5
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Ensure the flywheel is properly aligned before tightening.
2 Crankshaft Pulley/Harmonic Balancer Bolt
M14 x 1.5
2
Crankshaft Pulley/Harmonic Balancer Bolt
M14 x 1.5
Torque Specification
110 ft-lbs (150 N·m)
Important Notes
Use a holding tool to prevent the crankshaft from rotating during tightening.
Oil System
1 Oil Pan Bolts
M6 x 1.0
1
Oil Pan Bolts
M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Ensure the oil pan gasket is properly seated before tightening.
2 Oil Drain Plug Bolt
M12 x 1.5
2
Oil Drain Plug Bolt
M12 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Replace the crush washer to ensure a proper seal.
Timing System
1 Timing Belt/Chain Tensioner Bolt
M8 x 1.25
1
Timing Belt/Chain Tensioner Bolt
M8 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Ensure the tensioner is properly aligned before tightening.
2 Camshaft Sprocket Bolt
M10 x 1.25
2
Camshaft Sprocket Bolt
M10 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Use a holding tool to prevent the camshaft from rotating during tightening.
5.4l Engine
Torque specifications for 5.4L Engine
5.4l Engine
Torque specifications for 5.4L Engine
Cylinder Head
1 Cylinder Head Bolts
M12 x 1.5
1
Cylinder Head Bolts
M12 x 1.5
Torque Specification
1. 18 ft-lbs (25 N·m)
2. 90°
Important Notes
Follow the manufacturer's specified torque sequence to ensure even clamping force.
2 Rocker Arms/Shafts Bolts
M8 x 1.25
2
Rocker Arms/Shafts Bolts
M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure rocker arms are properly aligned before tightening.
Crankshaft And Bearings
1 Main Bearing Bolts
M10 x 1.25
1
Main Bearing Bolts
M10 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Ensure bearings are properly seated before tightening.
2 Connecting Rod Nuts
M8 x 1.25
2
Connecting Rod Nuts
M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure connecting rods are properly aligned with the crankshaft.
Flywheel And Harmonic Balancer
1 Flywheel Bolts
M12 x 1.5
1
Flywheel Bolts
M12 x 1.5
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Ensure the flywheel is properly aligned with the crankshaft.
2 Crankshaft Pulley/Harmonic Balancer Bolt
M16 x 1.5
2
Crankshaft Pulley/Harmonic Balancer Bolt
M16 x 1.5
Torque Specification
110 ft-lbs (150 N·m)
Important Notes
Use a holding tool to prevent crankshaft rotation during tightening.
Oil System
1 Oil Pan Bolts
M6 x 1.0
1
Oil Pan Bolts
M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Ensure the oil pan gasket is properly seated before tightening.
2 Oil Drain Plug
M14 x 1.5
2
Oil Drain Plug
M14 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Replace the crush washer to ensure a proper seal.
Valvetrain
1 Camshaft Sprocket Bolt
M10 x 1.25
1
Camshaft Sprocket Bolt
M10 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure proper timing alignment before tightening.
2 Timing Belt/Chain Tensioner Bolt
M8 x 1.25
2
Timing Belt/Chain Tensioner Bolt
M8 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Ensure the tensioner is properly adjusted before tightening.
5.4l V8 Engine
Torque specifications for 5.4L-V8 Engine
5.4l V8 Engine
Torque specifications for 5.4L-V8 Engine
Cylinder Head
1 Cylinder Head Bolts
M12 x 1.5
1
Cylinder Head Bolts
M12 x 1.5
Torque Specification
1. 18 ft-lbs (25 N·m)
2. 90°
Important Notes
Follow the manufacturer's specified torque sequence to ensure even clamping force.
2 Rocker Arms/Shafts Bolts
M8 x 1.25
2
Rocker Arms/Shafts Bolts
M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure rocker arms are properly aligned before tightening.
Crankshaft And Bearings
1 Main Bearing Bolts
M10 x 1.25
1
Main Bearing Bolts
M10 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Ensure bearings are properly seated before tightening.
2 Connecting Rod Nuts
M8 x 1.25
2
Connecting Rod Nuts
M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure connecting rods are properly aligned with the crankshaft.
Flywheel And Harmonic Balancer
1 Flywheel Bolts
M12 x 1.5
1
Flywheel Bolts
M12 x 1.5
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Ensure the flywheel is properly aligned with the crankshaft.
2 Crankshaft Pulley/Harmonic Balancer Bolt
M16 x 1.5
2
Crankshaft Pulley/Harmonic Balancer Bolt
M16 x 1.5
Torque Specification
110 ft-lbs (150 N·m)
Important Notes
Use a holding tool to prevent crankshaft rotation during tightening.
Oil System
1 Oil Pan Bolts
M6 x 1.0
1
Oil Pan Bolts
M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Ensure the oil pan gasket is properly seated before tightening.
2 Oil Drain Plug
M14 x 1.5
2
Oil Drain Plug
M14 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Replace the crush washer to ensure a proper seal.
Valvetrain
1 Camshaft Sprocket Bolt
M10 x 1.25
1
Camshaft Sprocket Bolt
M10 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure proper timing alignment before tightening.
2 Timing Belt/Chain Tensioner Bolt
M8 x 1.25
2
Timing Belt/Chain Tensioner Bolt
M8 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Ensure the tensioner is properly adjusted before tightening.
5g Tronic Transmission
Torque specifications for 5g Tronic Transmission
5g Tronic Transmission
Torque specifications for 5g Tronic Transmission
Transmission Mounting
1 Transmission Mounting Bolts
M12 x 1.5
1
Transmission Mounting Bolts
M12 x 1.5
Torque Specification
40 ft-lbs (55 N·m)
Important Notes
Ensure proper alignment and tightening sequence to prevent damage to the transmission or engine block.
Transmission Oil System
1 Transmission Oil Pan Bolts
M8 x 1.25
1
Transmission Oil Pan Bolts
M8 x 1.25
Torque Specification
80 in-lbs (9 N·m)
Important Notes
Ensure proper tightening sequence to prevent oil leaks and damage to the oil pan or transmission case.
2 Transmission Drain and Fill Plugs
M14 x 1.5
2
Transmission Drain and Fill Plugs
M14 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Ensure proper torque to prevent leaks and ensure accurate fluid level monitoring.
Transmission Bellhousing and Crossmember
1 Transmission Bellhousing Bolts
M14 x 1.5
1
Transmission Bellhousing Bolts
M14 x 1.5
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Estimated value - consult the vehicle's repair manual or a qualified technician for specific torque specifications.
2 Transmission Crossmember Bolts
M16 x 1.5
2
Transmission Crossmember Bolts
M16 x 1.5
Torque Specification
85 ft-lbs (115 N·m)
Important Notes
Estimated value - consult the vehicle's repair manual or a qualified technician for specific torque specifications.
Torque Converter and Cooler Lines
1 Torque Converter Bolts
M12 x 1.5
1
Torque Converter Bolts
M12 x 1.5
Torque Specification
40 ft-lbs (55 N·m)
Important Notes
Ensure proper engagement and disengagement of the torque converter.
2 Transmission Cooler Line Fittings
M10 x 1.25
2
Transmission Cooler Line Fittings
M10 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Ensure proper torque to prevent leaks and damage to the cooler lines.
7g Tronic Transmission
Torque specifications for 7g Tronic Transmission
7g Tronic Transmission
Torque specifications for 7g Tronic Transmission
Transmission Mounting
1 Transmission Mounting Bolts
M12 x 1.5
1
Transmission Mounting Bolts
M12 x 1.5
Torque Specification
40 ft-lbs (55 N·m)
Transmission Oil Pan
1 Transmission Oil Pan Bolts
M8 x 1.25
1
Transmission Oil Pan Bolts
M8 x 1.25
Torque Specification
80 in-lbs (9 N·m)
Important Notes
Note: The unit is in inch-lbs, which is unusual for this type of bolt. Verify the unit with the manufacturer's documentation.
Transmission Fluid System
1 Transmission Drain and Fill Plugs
M12 x 1.5
1
Transmission Drain and Fill Plugs
M12 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
2 Transmission Fluid Drain/Fill Plug
M12 x 1.5
2
Transmission Fluid Drain/Fill Plug
M12 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Transmission Pan
1 7G-Tronic Transmission Pan Bolts
M10 x 1.5
1
7G-Tronic Transmission Pan Bolts
M10 x 1.5
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Estimated value based on general industry standards.
Transmission Filter
1 7G-Tronic Transmission Filter Bolts
M8 x 1.25
1
7G-Tronic Transmission Filter Bolts
M8 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Estimated value based on general industry standards.
Transmission Cooler Line
1 7G-Tronic Transmission Cooler Line Fittings
M10 x 1.5
1
7G-Tronic Transmission Cooler Line Fittings
M10 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Estimated value based on general industry standards.
Transmission Solenoid Pack
1 7G-Tronic Transmission Solenoid Pack Bolts
M6 x 1
1
7G-Tronic Transmission Solenoid Pack Bolts
M6 x 1
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Estimated value based on general industry standards.
Body
Torque specifications for Body
Body
Torque specifications for Body
Suspension and Steering
1 Strut/Shock Absorber Mounting Bolts
M14 x 1.5
1
Strut/Shock Absorber Mounting Bolts
M14 x 1.5
Torque Specification
65 ft-lbs (88 N·m)
2 Control Arm Bolts
M16 x 1.5
2
Control Arm Bolts
M16 x 1.5
Torque Specification
85 ft-lbs (115 N·m)
3 Steering Gear/Rack Bolts
M14 x 1.5
3
Steering Gear/Rack Bolts
M14 x 1.5
Torque Specification
85 ft-lbs (115 N·m)
Brake System
1 Brake Caliper Bolts
M12 x 1.25
1
Brake Caliper Bolts
M12 x 1.25
Torque Specification
65 ft-lbs (88 N·m)
2 Brake Caliper Mounting Bracket Bolts
M14 x 1.5
2
Brake Caliper Mounting Bracket Bolts
M14 x 1.5
Torque Specification
85 ft-lbs (115 N·m)
Body Panels and Trim
1 Body Panel Bolts (e.g., hood, trunk, doors)
M10 x 1.25
1
Body Panel Bolts (e.g., hood, trunk, doors)
M10 x 1.25
Torque Specification
12.5 ft-lbs (17 N·m)
Important Notes
Estimated value. Consult the vehicle's service manual or manufacturer's recommendations for accurate torque values.
2 Bumper Mounting Bolts
M12 x 1.25
2
Bumper Mounting Bolts
M12 x 1.25
Torque Specification
22.5 ft-lbs (30.5 N·m)
Important Notes
Estimated value. Consult the vehicle's service manual or manufacturer's recommendations for accurate torque values.
3 Fender Liner Bolts
M10 x 1.25
3
Fender Liner Bolts
M10 x 1.25
Torque Specification
12.5 ft-lbs (17 N·m)
Important Notes
Estimated value. Consult the vehicle's service manual or manufacturer's recommendations for accurate torque values.
4 Door Hinge Bolts
M12 x 1.25
4
Door Hinge Bolts
M12 x 1.25
Torque Specification
17.5 ft-lbs (23.7 N·m)
Important Notes
Estimated value. Consult the vehicle's service manual or manufacturer's recommendations for accurate torque values.
5 Trunk Lid Hinge Bolts
M12 x 1.25
5
Trunk Lid Hinge Bolts
M12 x 1.25
Torque Specification
17.5 ft-lbs (23.7 N·m)
Important Notes
Estimated value. Consult the vehicle's service manual or manufacturer's recommendations for accurate torque values.
Brakes
Torque specifications for Brakes
Brakes
Torque specifications for Brakes
Brake Caliper
1 Brake Caliper Bolts
M12 x 1.5
1
Brake Caliper Bolts
M12 x 1.5
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Ensure proper alignment of the caliper during installation.
2 Brake Caliper Mounting Bracket Bolts
M14 x 1.5
2
Brake Caliper Mounting Bracket Bolts
M14 x 1.5
Torque Specification
85 ft-lbs (115 N·m)
Important Notes
Ensure the bracket is properly seated before tightening.
Brake Rotor
1 Brake Disc/Drum Retaining Bolts
M10 x 1.25
1
Brake Disc/Drum Retaining Bolts
M10 x 1.25
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Ensure the rotor is properly seated on the hub before tightening.
Brake Hydraulics
1 Brake Hose Banjo Bolt
M10 x 1.0
1
Brake Hose Banjo Bolt
M10 x 1.0
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure the sealing washers are in good condition and properly seated.
2 Brake Master Cylinder Mounting Bolts
M8 x 1.25
2
Brake Master Cylinder Mounting Bolts
M8 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Ensure the master cylinder is properly aligned with the brake booster.
3 Brake Booster Mounting Bolts
M8 x 1.25
3
Brake Booster Mounting Bolts
M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure the booster is properly seated against the firewall.
Brake Pedal
1 Brake Pedal Pivot Bolt
M8 x 1.25
1
Brake Pedal Pivot Bolt
M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure the pedal moves freely after installation.
Abs System
1 ABS Sensor Mounting Bolts
M6 x 1.0
1
ABS Sensor Mounting Bolts
M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Ensure the sensor is properly seated and aligned with the tone ring.
Wheel Assembly
1 Wheel Lug Nuts
M12 x 1.5
1
Wheel Lug Nuts
M12 x 1.5
Torque Specification
80 ft-lbs (110 N·m)
Important Notes
Always use a torque wrench to ensure proper tightening.
Drivetrain
Torque specifications for Drivetrain
Drivetrain
Torque specifications for Drivetrain
Flywheel and Crankshaft
1 Flywheel Bolts
M12 x 1.5
1
Flywheel Bolts
M12 x 1.5
Torque Specification
65 ft-lbs (88 N·m)
Drive Axles and Half Shafts
1 Drive Axle/Half Shaft Bolts
M14 x 1.5
1
Drive Axle/Half Shaft Bolts
M14 x 1.5
Torque Specification
65 ft-lbs (88 N·m)
CV Joints and Axles
1 CV Joint/Axle Nut
M20 x 1.5
1
CV Joint/Axle Nut
M20 x 1.5
Torque Specification
220 ft-lbs (300 N·m)
Propeller and Drive Shafts
1 Propeller/Drive Shaft Bolts
M14 x 1.5
1
Propeller/Drive Shaft Bolts
M14 x 1.5
Torque Specification
65 ft-lbs (88 N·m)
Transmission Mounting and Oil Pan
1 Transmission Mounting Bolts
M12 x 1.5
1
Transmission Mounting Bolts
M12 x 1.5
Torque Specification
40 ft-lbs (55 N·m)
2 Transmission Oil Pan Bolts
M10 x 1.5
2
Transmission Oil Pan Bolts
M10 x 1.5
Torque Specification
80 in-lbs (9 N·m)
Important Notes
Note: The torque value is specified in inch-pounds.
Transmission Drain and Fill Plugs
1 Transmission Drain and Fill Plugs
M12 x 1.5
1
Transmission Drain and Fill Plugs
M12 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Differential and Transfer Case
1 Differential Drain/Fill Plug
M12 x 1.5
1
Differential Drain/Fill Plug
M12 x 1.5
Torque Specification
30 ft-lbs (40 N·m)
2 Transfer Case Drain/Fill Plug
M12 x 1.5
2
Transfer Case Drain/Fill Plug
M12 x 1.5
Torque Specification
30 ft-lbs (40 N·m)
Engine Mounting and Crossmember
1 Engine Mounting Bolts
M14 x 1.5
1
Engine Mounting Bolts
M14 x 1.5
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Note: The torque value is estimated.
2 Transmission Crossmember Bolts
M14 x 1.5
2
Transmission Crossmember Bolts
M14 x 1.5
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Note: The torque value is estimated.
Driveshaft and Center Bearing
1 Driveshaft Center Bearing Bolts
M10 x 1.5
1
Driveshaft Center Bearing Bolts
M10 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Note: The torque value is estimated.
Differential Cover
1 Differential Cover Bolts
M10 x 1.5
1
Differential Cover Bolts
M10 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Note: The torque value is estimated.
Transfer Case Mounting
1 Transfer Case Mounting Bolts
M14 x 1.5
1
Transfer Case Mounting Bolts
M14 x 1.5
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Note: The torque value is estimated.
Electrical
Torque specifications for Electrical
Electrical
Torque specifications for Electrical
Starter Motor
1 Starter Motor Mounting Bolts
M12 x 1.5
1
Starter Motor Mounting Bolts
M12 x 1.5
Torque Specification
33 ft-lbs (45 N·m)
2 Starter Motor Electrical Connector Bolts
M6 x 1.0
2
Starter Motor Electrical Connector Bolts
M6 x 1.0
Torque Specification
1. 5 ft-lbs (7 N·m)
2. 10 ft-lbs (14 N·m)
Important Notes
Estimated torque value. Consult the component manufacturer's recommendations for the correct torque value.
Alternator
1 Alternator Mounting Bolts
M12 x 1.5
1
Alternator Mounting Bolts
M12 x 1.5
Torque Specification
18 ft-lbs (25 N·m)
2 Alternator Electrical Connector Bolts
M6 x 1.0
2
Alternator Electrical Connector Bolts
M6 x 1.0
Torque Specification
1. 5 ft-lbs (7 N·m)
2. 10 ft-lbs (14 N·m)
Important Notes
Estimated torque value. Consult the component manufacturer's recommendations for the correct torque value.
Battery
1 Battery Terminal Nuts
M12 x 1.5
1
Battery Terminal Nuts
M12 x 1.5
Torque Specification
7 ft-lbs (10 N·m)
Ignition Coil
1 Ignition Coil Bolt
M12 x 1.5
1
Ignition Coil Bolt
M12 x 1.5
Torque Specification
7 ft-lbs (10 N·m)
Spark Plug Wires
1 Spark Plug Wire Boot Nuts
M8 x 1.25
1
Spark Plug Wire Boot Nuts
M8 x 1.25
Torque Specification
1. 10 ft-lbs (14 N·m)
2. 15 ft-lbs (20 N·m)
Important Notes
Estimated torque value. Consult the component manufacturer's recommendations for the correct torque value.
Fuel Pump
1 Fuel Pump Electrical Connector Bolts
M6 x 1.0
1
Fuel Pump Electrical Connector Bolts
M6 x 1.0
Torque Specification
1. 5 ft-lbs (7 N·m)
2. 10 ft-lbs (14 N·m)
Important Notes
Estimated torque value. Consult the component manufacturer's recommendations for the correct torque value.
Emissions Sensors
Torque specifications for Emissions_sensors
Emissions Sensors
Torque specifications for Emissions_sensors
Emissions Sensors
1 Oxygen Sensor Bolts
M10 x 1.5
1
Oxygen Sensor Bolts
M10 x 1.5
Torque Specification
17.5 ft-lbs (23.7 N·m)
Important Notes
Estimated value based on industry standards. Consult vehicle's repair manual or manufacturer's documentation for specific torque values.
2 Heated Oxygen Sensor (HO2S) Bolts
M10 x 1.5
2
Heated Oxygen Sensor (HO2S) Bolts
M10 x 1.5
Torque Specification
17.5 ft-lbs (23.7 N·m)
Important Notes
Estimated value based on industry standards. Consult vehicle's repair manual or manufacturer's documentation for specific torque values.
3 NOx Sensor Bolts
M10 x 1.5
3
NOx Sensor Bolts
M10 x 1.5
Torque Specification
17.5 ft-lbs (23.7 N·m)
Important Notes
Estimated value based on industry standards. Consult vehicle's repair manual or manufacturer's documentation for specific torque values.
4 EGR Valve Bolts
M8 x 1.25
4
EGR Valve Bolts
M8 x 1.25
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Proper torque ensures the EGR valve operates correctly and maintains a seal.
5 Exhaust Manifold/Headers Bolts
M12 x 1.5
5
Exhaust Manifold/Headers Bolts
M12 x 1.5
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Proper torque ensures a leak-free seal and accurate oxygen sensor readings.
6 Catalytic Converter to Exhaust Pipe Bolts
M12 x 1.5
6
Catalytic Converter to Exhaust Pipe Bolts
M12 x 1.5
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Proper torque ensures a leak-free seal and optimal converter performance.
Exhaust
Torque specifications for Exhaust
Exhaust
Torque specifications for Exhaust
Exhaust Manifold Headers
1 Exhaust Manifold/Headers to Cylinder Head Bolts
M8 x 1.25
1
Exhaust Manifold/Headers to Cylinder Head Bolts
M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure bolts are tightened in a crisscross pattern to evenly distribute pressure.
2 Exhaust Pipe to Exhaust Manifold/Headers Bolts
M8 x 1.25
2
Exhaust Pipe to Exhaust Manifold/Headers Bolts
M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure gasket is properly seated before tightening.
Catalytic Converter
1 Catalytic Converter to Exhaust Pipe Bolts
M8 x 1.25
1
Catalytic Converter to Exhaust Pipe Bolts
M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure gasket is properly seated before tightening.
Muffler
1 Muffler to Exhaust Pipe Bolts
M8 x 1.25
1
Muffler to Exhaust Pipe Bolts
M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure gasket is properly seated before tightening.
Heat Shield
1 Exhaust Heat Shield Bolts
M6 x 1.0
1
Exhaust Heat Shield Bolts
M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Estimated value based on typical heat shield bolt sizes.
Oxygen Sensor
1 Oxygen Sensor (O2 Sensor) Mounting Bolts
M10 x 1.25
1
Oxygen Sensor (O2 Sensor) Mounting Bolts
M10 x 1.25
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Ensure sensor is properly aligned before tightening.
Exhaust Hanger
1 Exhaust Hanger Bolts
M8 x 1.25
1
Exhaust Hanger Bolts
M8 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Ensure hanger is properly aligned before tightening.
Exhaust Flange
1 Exhaust Flange Bolts
M8 x 1.25
1
Exhaust Flange Bolts
M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure gasket is properly seated before tightening.
Fuel
Torque specifications for Fuel
Fuel
Torque specifications for Fuel
Fuel Delivery System
1 Fuel Rail Bolts
M6 x 1.0
1
Fuel Rail Bolts
M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Ensures proper fuel delivery and prevents leaks.
2 Fuel Injector Bolts
M6 x 1.0
2
Fuel Injector Bolts
M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Ensures a proper seal and prevents fuel leaks.
3 Fuel Pump Mounting Bolts
M6 x 1.0
3
Fuel Pump Mounting Bolts
M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Ensures the pump is securely mounted and prevents leaks.
4 High-Pressure Fuel Pump Bolts
M8 x 1.25
4
High-Pressure Fuel Pump Bolts
M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Estimated value based on similar components. Ensures secure mounting and prevents leaks.
5 Fuel Pressure Regulator Bolts
M6 x 1.0
5
Fuel Pressure Regulator Bolts
M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Ensures a secure connection and prevents pressure inconsistencies.
Fuel Tank System
1 Fuel Tank Strap Bolts
M10 x 1.5
1
Fuel Tank Strap Bolts
M10 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Ensures the fuel tank is securely mounted and prevents movement or leaks.
2 Fuel Filler Neck Bolts
M6 x 1.0
2
Fuel Filler Neck Bolts
M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Ensures a secure connection and prevents fuel leaks or vapor emissions.
3 Fuel Tank Sender Unit Bolts
M6 x 1.0
3
Fuel Tank Sender Unit Bolts
M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Ensures a proper seal and prevents fuel leaks.
Fuel Filter System
1 Fuel Filter Bolt/Nut
M8 x 1.25
1
Fuel Filter Bolt/Nut
M8 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Ensures the filter is securely mounted and prevents fuel leaks.
Fuel Line System
1 Fuel Line Fittings
M8 x 1.25
1
Fuel Line Fittings
M8 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Ensures a secure connection and prevents fuel leaks.
Hvac
Torque specifications for Hvac
Hvac
Torque specifications for Hvac
A/C Compressor
1 A/C Compressor Mounting Bolts
M12 x 1.5
1
A/C Compressor Mounting Bolts
M12 x 1.5
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Proper torque is essential to prevent damage to the compressor and surrounding components.
A/C Lines and Fittings
1 A/C Line Fittings
M10 x 1.25
1
A/C Line Fittings
M10 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Proper torque ensures a leak-free connection and prevents refrigerant loss.
2 A/C Refrigerant Line Clamp Bolts
M8 x 1.25
2
A/C Refrigerant Line Clamp Bolts
M8 x 1.25
Torque Specification
5 ft-lbs (7 N·m)
Important Notes
Proper torque ensures a secure connection and prevents refrigerant loss.
A/C Condenser and Evaporator
1 A/C Condenser Mounting Bolts
M12 x 1.5
1
A/C Condenser Mounting Bolts
M12 x 1.5
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Proper torque is essential to prevent damage to the condenser and surrounding components. (Estimated value)
2 A/C Evaporator Mounting Bolts
M10 x 1.25
2
A/C Evaporator Mounting Bolts
M10 x 1.25
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Proper torque is essential to prevent damage to the evaporator and surrounding components. (Estimated value)
Suspension
Torque specifications for Suspension
Suspension
Torque specifications for Suspension
Front Suspension
1 Strut/Shock Absorber Mounting Bolts
M14 x 1.5
1
Strut/Shock Absorber Mounting Bolts
M14 x 1.5
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Secure the strut/shock absorber to the vehicle's frame.
2 Control Arm Bolts
M16 x 1.5
2
Control Arm Bolts
M16 x 1.5
Torque Specification
85 ft-lbs (115 N·m)
Important Notes
Connect the control arms to the frame and steering knuckle.
3 Upper Control Arm Bushing Bolts
M12 x 1.25
3
Upper Control Arm Bushing Bolts
M12 x 1.25
Torque Specification
50 ft-lbs (68 N·m)
Important Notes
Estimated value. Secure the upper control arm bushings to the frame.
4 Lower Control Arm Bushing Bolts
M12 x 1.25
4
Lower Control Arm Bushing Bolts
M12 x 1.25
Torque Specification
50 ft-lbs (68 N·m)
Important Notes
Estimated value. Secure the lower control arm bushings to the frame.
5 Steering Knuckle Bolts
M14 x 1.5
5
Steering Knuckle Bolts
M14 x 1.5
Torque Specification
70 ft-lbs (95 N·m)
Important Notes
Estimated value. Secure the steering knuckle to the strut/shock absorber and control arm.
Steering System
1 Ball Joint Nut
M18 x 1.5
1
Ball Joint Nut
M18 x 1.5
Torque Specification
40 ft-lbs (55 N·m)
Important Notes
Secure the ball joint to the control arm.
2 Tie Rod End Nut
M16 x 1.5
2
Tie Rod End Nut
M16 x 1.5
Torque Specification
35 ft-lbs (48 N·m)
Important Notes
Secure the tie rod end to the steering knuckle.
Sway Bar System
1 Sway Bar Link Nut
M14 x 1.5
1
Sway Bar Link Nut
M14 x 1.5
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Secure the sway bar link to the sway bar and control arm.
Coil Spring System
1 Coil Spring Mounting Bolts
M12 x 1.25
1
Coil Spring Mounting Bolts
M12 x 1.25
Torque Specification
40 ft-lbs (55 N·m)
Important Notes
Estimated value. Secure the coil spring to the strut/shock absorber and control arm.
Troubleshooting Guide
Common issues, diagnostic steps, and prevention guidelines
Common Issues
Bolt stretching, stripped threads, uneven torque patterns
Common Issues
Bolt stretching, stripped threads, uneven torque patterns
Loose Components
Symptoms:
- Rattling or vibration noises
- Visible movement in components
- Uneven panel gaps
Solutions:
- Clean threads and mounting surfaces
- Replace damaged fasteners
- Apply proper torque in sequence
- Use thread locker if specified
Stripped Fasteners
Symptoms:
- Unable to achieve proper torque
- Fastener spins freely
- Visible thread damage
Solutions:
- Use thread repair kit if appropriate
- Install thread insert (HeliCoil)
- Replace component if threaded hole is damaged
- Upgrade to higher grade fastener if recommended
Overtightened Components
Symptoms:
- Cracked or deformed parts
- Broken fasteners
- Compressed gaskets or seals
Solutions:
- Replace damaged components
- Use new fasteners
- Follow proper torque sequence
- Verify correct torque specifications
Diagnostic Steps
Visual inspection, torque verification, thread assessment
Diagnostic Steps
Visual inspection, torque verification, thread assessment
1
Visual Inspection
Inspect the affected area for any visible signs of damage or wear
- Check for cracks or deformation
- Look for signs of excessive wear
- Verify proper fastener installation
2
Torque Verification
Verify the torque applied to the fasteners
- Check the torque wrench calibration
- Verify the torque specification
- Compare the applied torque to the specification
3
Thread Assessment
Assess the condition of the threads
- Check for signs of thread damage
- Verify the thread type and size
- Check for proper thread engagement
Prevention Guidelines
Best practices, maintenance tips, tool care
Prevention Guidelines
Best practices, maintenance tips, tool care
Best Practices
- Always follow the recommended torque specification
- Use the correct type and size of fasteners
- Verify the torque wrench calibration regularly
Maintenance Tips
- Regularly inspect the affected area for signs of wear or damage
- Replace damaged or worn-out components promptly
- Keep the work area clean and organized
Tool Care
- Regularly clean and maintain the torque wrench
- Store the torque wrench in a dry and secure location
- Verify the torque wrench calibration before each use
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What IS the recommended torque value for the lug nuts?
Q1
What IS the recommended torque value for the lug nuts?
The torque value for the lug nuts on a 2002-2009 Mercedes clk IS 100 Nm (74 ft-lbs).
Q2 What type of torque wrench should I use for the head bolts?
Q2
What type of torque wrench should I use for the head bolts?
It IS recommended to use a calibrated digital torque wrench with a range of 20-200 Nm for the head bolts.
Q3 Can I use an impact wrench to tighten the suspension bolts?
Q3
Can I use an impact wrench to tighten the suspension bolts?
No, it IS not recommended to use an impact wrench on any suspension bolts. Over-tightening can cause damage to the bolts or suspension components. Use a torque wrench instead.
Q4 What IS the torque value for the oil drain plug?
Q4
What IS the torque value for the oil drain plug?
The torque value for the oil drain plug on a 2002-2009 Mercedes clk IS 25 Nm (18 ft-lbs).
Q5 How often should I check the torque on the engine mounts?
Q5
How often should I check the torque on the engine mounts?
Engine mount torque should be checked every 50,000 miles or as per the specified maintenance schedule.
Q6 What are the consequences of over-torquing or under-torquing?
Q6
What are the consequences of over-torquing or under-torquing?
Over-torquing can cause thread damage, bolt breakage, or component deformation, while under-torquing can lead to loose connections, leaks, or failures.
Environmental Considerations
Temperature, humidity, and seasonal effects on torque specifications
Temperature Effects
Includes: High Heat, Cold Weather, Thermal Cycling
Temperature Effects
Includes: High Heat, Cold Weather, Thermal Cycling
Temperature can significantly impact torque values and fastener behavior
Cold Weather
Effects:
- Increased material brittleness
- Higher torque required due to thread contraction
- Reduced thread lubricant effectiveness
Recommendations:
- Allow components to warm to room temperature when possible
- Consider using winter-grade thread lubricants
- Check torque values more frequently during winter months
Hot Weather
Effects:
- Thermal expansion of components
- Decreased friction in threads
- Accelerated lubricant breakdown
Recommendations:
- Check torque when components are at normal operating temperature
- Use temperature-resistant thread lockers
- Consider re-torquing after heat cycles
Humidity and Corrosion
Covers: Rust Prevention, Salt Exposure, Moisture Control
Humidity and Corrosion
Covers: Rust Prevention, Salt Exposure, Moisture Control
Moisture and corrosion can affect fastener integrity and torque values
High Humidity
Effects:
- Accelerated corrosion formation
- Reduced friction coefficient
- Potential thread seizing
Prevention:
- Use corrosion-resistant fasteners
- Apply appropriate anti-seize compounds
- Maintain proper protective coatings
Salt Exposure
Effects:
- Rapid corrosion development
- Thread damage
- Seized fasteners
Prevention:
- Regular underbody washing
- Use of sacrificial anodes where appropriate
- Application of protective coatings
Seasonal Maintenance
Spring, Summer, Fall, and Winter maintenance schedules
Seasonal Maintenance
Spring, Summer, Fall, and Winter maintenance schedules
Spring
- Inspect for winter damage
- Clean and protect exposed fasteners
- Check torque on critical components
Summer
- Monitor heat-affected components
- Check expansion-related loosening
- Inspect cooling system mounts
Fall
- Prepare for winter conditions
- Apply corrosion protection
- Verify all fasteners are properly torqued
Winter
- More frequent inspection of critical fasteners
- Check for salt damage
- Monitor suspension component torque
Related Resources
Tools, service procedures, and technical bulletins
Recommended Tools
Digital Torque Wrench (10-100 Nm)
Essential for tightening fasteners to precise torque specifications, preventing damage and ensuring proper assembly. This range IS suitable for many applications on the clk.
- Digital display for accurate readings
- Audible alarm when target torque IS reached
- Multiple units (Nm, ft-lb, in-lb)
- Reversible ratcheting mechanism
Torque Wrench Extension Bar
Extends the reach of a torque wrench, allowing access to hard-to-reach bolts and fasteners.
- Multiple lengths and sizes available
- Knurled handle for secure grip
- Chrome-plated finish for durability
Service Procedures
Engine Bolt Torque Specifications
Technical procedure overview specific to Mercedes clk engine bolts.
- Torque cylinder head bolts to 90 Nm.
- Torque camshaft bolts to 70 Nm.
- Torque crankshaft bolts to 120 Nm.
Suspension Bolt Torque Specifications
Technical procedure overview specific to Mercedes clk suspension bolts.
- Torque control arm bolts to 100 Nm.
- Torque ball joint nuts to 120 Nm.
- Torque sway bar bolts to 60 Nm.
Brake Bolt Torque Specifications
Technical procedure overview specific to Mercedes clk brake bolts.
- Torque brake caliper bolts to 100 Nm.
- Torque wheel hub bolts to 120 Nm.
- Torque rotor screws to 30 Nm.
Technical Service Bulletins
Technical Service Bulletin: Engine Bolt Failure
2006-05-01Description of a safety issue related to engine bolt failure on Mercedes clk models.
2002-2009 clk
Resolution: Instructions to inspect and replace affected bolts with updated versions, torque specifications included.
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The information provided on this website is for general informational purposes only. While we strive to maintain accuracy in our content, all specifications, procedures, and technical information should be verified against your vehicle's official service manual or with the manufacturer directly.
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We shall not be liable for any direct, indirect, special, or consequential damages arising from the use of information on this website.
Technical Information
- All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
- Vehicle specifications and procedures may vary by model year, trim level, and region.
- Always follow the manufacturer's recommended procedures and safety precautions.
- Working on vehicles can be dangerous. Always take proper safety precautions and use appropriate safety equipment.
- If you're unsure about any procedure, consult a qualified professional mechanic.
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