Mercedes-Benz Vehicle Models Mercedes Sprinter 2006-2018
Mercedes-Benz Vehicle Models Mercedes Sprinter 2006-2018 Torque Specifications
Complete Mercedes-Benz Vehicle Models Mercedes Sprinter 2006-2018 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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Torque Calculator
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2.1l I4 Engine
Torque specifications for 2.1L-I4 Engine
2.1l I4 Engine
Torque specifications for 2.1L-I4 Engine
Cylinder Head
1 Cylinder Head Bolts
M10 x 1.5
1
Cylinder Head Bolts
M10 x 1.5
Torque Specification
1. 20 ft-lbs (27 N·m)
2. 25 ft-lbs (34 N·m)
Important Notes
Follow the manufacturer's specified torque sequence for the cylinder head bolts.
Crankshaft And Bearings
1 Main Bearing Bolts
M12 x 1.75
1
Main Bearing Bolts
M12 x 1.75
Torque Specification
50 ft-lbs (68 N·m)
Important Notes
Estimated value based on similar engine configurations. Follow the manufacturer's torque sequence.
2 Connecting Rod Nuts
M8 x 1.25
2
Connecting Rod Nuts
M8 x 1.25
Torque Specification
29 ft-lbs (39 N·m)
Important Notes
Ensure proper alignment of the connecting rods before tightening.
Flywheel
1 Flywheel Bolts
M12 x 1.75
1
Flywheel Bolts
M12 x 1.75
Torque Specification
85 ft-lbs (115 N·m)
Important Notes
Use thread locker on the bolts to prevent loosening.
Oil System
1 Oil Pan Bolts
M6 x 1.0
1
Oil Pan Bolts
M6 x 1.0
Torque Specification
7 ft-lbs (9.5 N·m)
Important Notes
Ensure the oil pan gasket is properly seated before tightening.
2 Oil Filter Housing Bolt
M8 x 1.25
2
Oil Filter Housing Bolt
M8 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Ensure the housing is properly aligned before tightening.
Valve Train
1 Rocker Arm Bolts
M8 x 1.25
1
Rocker Arm Bolts
M8 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Ensure the rocker arms are properly aligned before tightening.
2 Camshaft Sprocket Bolt
M10 x 1.5
2
Camshaft Sprocket Bolt
M10 x 1.5
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Ensure the camshaft timing is correct before tightening.
Intake And Exhaust
1 Intake Manifold Bolts
M8 x 1.25
1
Intake Manifold Bolts
M8 x 1.25
Torque Specification
13 ft-lbs (17.5 N·m)
Important Notes
Ensure the intake manifold gasket is properly seated before tightening.
2 Exhaust Manifold Bolts
M8 x 1.25
2
Exhaust Manifold Bolts
M8 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Ensure the exhaust manifold gasket is properly seated before tightening.
3.0l Engine
Torque specifications for 3.0L Engine
3.0l Engine
Torque specifications for 3.0L Engine
Cylinder Head and Valve Train
1 Cylinder Head Bolts
M12 x 1.5
1
Cylinder Head Bolts
M12 x 1.5
Torque Specification
22.5 ft-lbs (30.5 N·m)
Important Notes
Estimated average of 20-25 ft-lbs (27-34 nm) range.
2 Valve Cover Bolts
M8 x 1.25
2
Valve Cover Bolts
M8 x 1.25
Torque Specification
7 ft-lbs (9.5 N·m)
Important Notes
Estimated average of 6-8 ft-lbs (8-11 nm) range.
3 Rocker Arms/Shafts Bolts
M10 x 1.5
3
Rocker Arms/Shafts Bolts
M10 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Estimated average of 18-22 ft-lbs (25-30 nm) range.
Engine Block and Crankshaft
1 Main Bearing Bolts
M14 x 2.0
1
Main Bearing Bolts
M14 x 2.0
Torque Specification
50 ft-lbs (68 N·m)
Important Notes
Estimated average of 48-52 ft-lbs (65-71 nm) range.
2 Connecting Rod Nuts
M12 x 1.75
2
Connecting Rod Nuts
M12 x 1.75
Torque Specification
29 ft-lbs (39 N·m)
Important Notes
Estimated average of 26-32 ft-lbs (35-43 nm) range.
3 Crankshaft Pulley/Harmonic Balancer Bolt
M16 x 2.0
3
Crankshaft Pulley/Harmonic Balancer Bolt
M16 x 2.0
Torque Specification
122 ft-lbs (165 N·m)
Important Notes
Estimated average of 119-125 ft-lbs (161-170 nm) range.
Engine Accessories
1 Oil Pan Bolts
M10 x 1.5
1
Oil Pan Bolts
M10 x 1.5
Torque Specification
7 ft-lbs (9.5 N·m)
Important Notes
Estimated average of 6-8 ft-lbs (8-11 nm) range.
2 Water Pump Bolts
M8 x 1.25
2
Water Pump Bolts
M8 x 1.25
Torque Specification
7 ft-lbs (9.5 N·m)
Important Notes
Estimated average of 6-8 ft-lbs (8-11 nm) range.
3 Thermostat Housing Bolts
M8 x 1.25
3
Thermostat Housing Bolts
M8 x 1.25
Torque Specification
7 ft-lbs (9.5 N·m)
Important Notes
Estimated average of 6-8 ft-lbs (8-11 nm) range.
Engine Mounting and Transmission
1 Engine Block to Transmission Mounting Bolts
M14 x 2.0
1
Engine Block to Transmission Mounting Bolts
M14 x 2.0
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated average of 40-50 ft-lbs (54-68 nm) range.
2 Engine Mounting Bolts
M12 x 1.75
2
Engine Mounting Bolts
M12 x 1.75
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Estimated average of 30-40 ft-lbs (41-54 nm) range.
Timing and Accessory Drive
1 Timing Belt/Chain Tensioner Bolt
M10 x 1.5
1
Timing Belt/Chain Tensioner Bolt
M10 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Estimated average of 18-22 ft-lbs (25-30 nm) range.
2 Camshaft Sprocket Bolt
M12 x 1.75
2
Camshaft Sprocket Bolt
M12 x 1.75
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated average of 43-47 ft-lbs (58-64 nm) range.
Intake and Exhaust
1 Intake Manifold Bolts
M10 x 1.5
1
Intake Manifold Bolts
M10 x 1.5
Torque Specification
13 ft-lbs (18 N·m)
Important Notes
Estimated average of 11-15 ft-lbs (15-20 nm) range.
2 Exhaust Manifold/Headers Bolts
M12 x 1.75
2
Exhaust Manifold/Headers Bolts
M12 x 1.75
Torque Specification
25.5 ft-lbs (34.5 N·m)
Important Notes
Estimated average of 22-29 ft-lbs (30-39 nm) range.
Fuel and Ignition
1 Fuel Injector Bolts
M8 x 1.25
1
Fuel Injector Bolts
M8 x 1.25
Torque Specification
7 ft-lbs (9.5 N·m)
Important Notes
Estimated average of 6-8 ft-lbs (8-11 nm) range.
2 Spark Plugs
M14 x 1.25
2
Spark Plugs
M14 x 1.25
Torque Specification
17.5 ft-lbs (23.5 N·m)
Important Notes
Estimated average of 15-20 ft-lbs (20-27 nm) range.
3.0l V6 Engine
Torque specifications for 3.0L-V6 Engine
3.0l V6 Engine
Torque specifications for 3.0L-V6 Engine
Cylinder Head and Valve Train
1 Cylinder Head Bolts
M12 x 1.5
1
Cylinder Head Bolts
M12 x 1.5
Torque Specification
22.5 ft-lbs (30.5 N·m)
Important Notes
Estimated average of 20-25 ft-lbs (27-34 nm) range.
2 Valve Cover Bolts
M8 x 1.25
2
Valve Cover Bolts
M8 x 1.25
Torque Specification
7 ft-lbs (9.5 N·m)
Important Notes
Estimated average of 6-8 ft-lbs (8-11 nm) range.
3 Rocker Arms/Shafts Bolts
M10 x 1.5
3
Rocker Arms/Shafts Bolts
M10 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Estimated average of 18-22 ft-lbs (25-30 nm) range.
Engine Block and Crankshaft
1 Main Bearing Bolts
M14 x 2.0
1
Main Bearing Bolts
M14 x 2.0
Torque Specification
50 ft-lbs (68 N·m)
Important Notes
Estimated average of 48-52 ft-lbs (65-71 nm) range.
2 Connecting Rod Nuts
M12 x 1.75
2
Connecting Rod Nuts
M12 x 1.75
Torque Specification
29 ft-lbs (39 N·m)
Important Notes
Estimated average of 26-32 ft-lbs (35-43 nm) range.
3 Crankshaft Pulley/Harmonic Balancer Bolt
M16 x 2.0
3
Crankshaft Pulley/Harmonic Balancer Bolt
M16 x 2.0
Torque Specification
122 ft-lbs (165 N·m)
Important Notes
Estimated average of 119-125 ft-lbs (161-170 nm) range.
Engine Accessories
1 Oil Pan Bolts
M10 x 1.5
1
Oil Pan Bolts
M10 x 1.5
Torque Specification
7 ft-lbs (9.5 N·m)
Important Notes
Estimated average of 6-8 ft-lbs (8-11 nm) range.
2 Water Pump Bolts
M8 x 1.25
2
Water Pump Bolts
M8 x 1.25
Torque Specification
7 ft-lbs (9.5 N·m)
Important Notes
Estimated average of 6-8 ft-lbs (8-11 nm) range.
3 Thermostat Housing Bolts
M8 x 1.25
3
Thermostat Housing Bolts
M8 x 1.25
Torque Specification
7 ft-lbs (9.5 N·m)
Important Notes
Estimated average of 6-8 ft-lbs (8-11 nm) range.
Engine Mounting and Transmission
1 Engine Block to Transmission Mounting Bolts
M14 x 2.0
1
Engine Block to Transmission Mounting Bolts
M14 x 2.0
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated average of 40-50 ft-lbs (54-68 nm) range.
2 Engine Mounting Bolts
M12 x 1.75
2
Engine Mounting Bolts
M12 x 1.75
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Estimated average of 30-40 ft-lbs (41-54 nm) range.
Timing and Accessory Drive
1 Timing Belt/Chain Tensioner Bolt
M10 x 1.5
1
Timing Belt/Chain Tensioner Bolt
M10 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Estimated average of 18-22 ft-lbs (25-30 nm) range.
2 Camshaft Sprocket Bolt
M12 x 1.75
2
Camshaft Sprocket Bolt
M12 x 1.75
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated average of 43-47 ft-lbs (58-64 nm) range.
Intake and Exhaust
1 Intake Manifold Bolts
M10 x 1.5
1
Intake Manifold Bolts
M10 x 1.5
Torque Specification
13 ft-lbs (18 N·m)
Important Notes
Estimated average of 11-15 ft-lbs (15-20 nm) range.
2 Exhaust Manifold/Headers Bolts
M12 x 1.75
2
Exhaust Manifold/Headers Bolts
M12 x 1.75
Torque Specification
25.5 ft-lbs (34.5 N·m)
Important Notes
Estimated average of 22-29 ft-lbs (30-39 nm) range.
Fuel and Ignition
1 Fuel Injector Bolts
M8 x 1.25
1
Fuel Injector Bolts
M8 x 1.25
Torque Specification
7 ft-lbs (9.5 N·m)
Important Notes
Estimated average of 6-8 ft-lbs (8-11 nm) range.
2 Spark Plugs
M14 x 1.25
2
Spark Plugs
M14 x 1.25
Torque Specification
17.5 ft-lbs (23.5 N·m)
Important Notes
Estimated average of 15-20 ft-lbs (20-27 nm) range.
5g Tronic Transmission
Torque specifications for 5g Tronic Transmission
5g Tronic Transmission
Torque specifications for 5g Tronic Transmission
Transmission Mounting
1 Transmission Mounting Bolts
M14 x 1.5
1
Transmission Mounting Bolts
M14 x 1.5
Torque Specification
33 ft-lbs (45 N·m)
Oil Pan and Drain/Fill Plugs
1 Transmission Oil Pan Bolts
M10 x 1.25
1
Transmission Oil Pan Bolts
M10 x 1.25
Torque Specification
6 ft-lbs (8 N·m)
2 Transmission Drain and Fill Plugs
M12 x 1.5
2
Transmission Drain and Fill Plugs
M12 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
Bellhousing and Crossmember Mounting
1 Transmission Bellhousing Bolts
M16 x 1.5
1
Transmission Bellhousing Bolts
M16 x 1.5
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Estimated value based on industry standards.
2 Transmission Crossmember Bolts
M18 x 1.5
2
Transmission Crossmember Bolts
M18 x 1.5
Torque Specification
50 ft-lbs (68 N·m)
Important Notes
Estimated value based on industry standards.
Torque Converter and Cooler Line Fittings
1 Torque Converter Bolts
M14 x 1.5
1
Torque Converter Bolts
M14 x 1.5
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Estimated value based on industry standards.
2 Transmission Cooler Line Fittings
M10 x 1.25
2
Transmission Cooler Line Fittings
M10 x 1.25
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Estimated value based on industry standards.
Body
Torque specifications for Body
Body
Torque specifications for Body
Suspension
1 Strut/Shock Absorber Mounting Bolts
M12 x 1.5
1
Strut/Shock Absorber Mounting Bolts
M12 x 1.5
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Estimated value based on general industry standards. Consult the vehicle manufacturer's recommendations or a repair manual for specific torque values.
2 Control Arm Bolts
M14 x 1.5
2
Control Arm Bolts
M14 x 1.5
Torque Specification
94 ft-lbs (127 N·m)
Important Notes
Estimated value based on general industry standards. Consult the vehicle manufacturer's recommendations or a repair manual for specific torque values.
3 Steering Gear/Rack Bolts
M12 x 1.5
3
Steering Gear/Rack Bolts
M12 x 1.5
Torque Specification
81 ft-lbs (110 N·m)
Important Notes
Estimated value based on general industry standards. Consult the vehicle manufacturer's recommendations or a repair manual for specific torque values.
Body Panels
1 Body Panel Bolts
M8 x 1.25
1
Body Panel Bolts
M8 x 1.25
Torque Specification
12 ft-lbs (16 N·m)
Important Notes
Estimated value based on general industry standards. Consult the vehicle manufacturer's recommendations or a repair manual for specific torque values.
2 Bumper Mounting Bolts
M10 x 1.5
2
Bumper Mounting Bolts
M10 x 1.5
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Estimated value based on general industry standards. Consult the vehicle manufacturer's recommendations or a repair manual for specific torque values.
3 Fender Mounting Bolts
M10 x 1.5
3
Fender Mounting Bolts
M10 x 1.5
Torque Specification
17 ft-lbs (23 N·m)
Important Notes
Estimated value based on general industry standards. Consult the vehicle manufacturer's recommendations or a repair manual for specific torque values.
4 Door Hinge Bolts
M8 x 1.25
4
Door Hinge Bolts
M8 x 1.25
Torque Specification
17 ft-lbs (23 N·m)
Important Notes
Estimated value based on general industry standards. Consult the vehicle manufacturer's recommendations or a repair manual for specific torque values.
Body Frame
1 Body Frame Bolts
M14 x 1.5
1
Body Frame Bolts
M14 x 1.5
Torque Specification
55 ft-lbs (75 N·m)
Important Notes
Estimated value based on general industry standards. Consult the vehicle manufacturer's recommendations or a repair manual for specific torque values.
Transmission
1 Transmission Mounting Bolts
M12 x 1.5
1
Transmission Mounting Bolts
M12 x 1.5
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Estimated value based on general industry standards. Consult the vehicle manufacturer's recommendations or a repair manual for specific torque values.
Brakes
Torque specifications for Brakes
Brakes
Torque specifications for Brakes
Brake Caliper And Mounting
1 Brake Caliper Bolts
M12 x 1.5
1
Brake Caliper Bolts
M12 x 1.5
Torque Specification
89 ft-lbs (121 N·m)
Important Notes
Torque value is an average of the provided range.
2 Brake Caliper Mounting Bracket Bolts
M12 x 1.5
2
Brake Caliper Mounting Bracket Bolts
M12 x 1.5
Torque Specification
81 ft-lbs (110 N·m)
Important Notes
Torque value is an average of the provided range.
Brake Disc Drum And Wheel
1 Brake Disc/Drum Retaining Bolts
M8 x 1.25
1
Brake Disc/Drum Retaining Bolts
M8 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Torque value is an average of the provided range.
2 Wheel Lug Nuts
M14 x 1.5
2
Wheel Lug Nuts
M14 x 1.5
Torque Specification
107 ft-lbs (146 N·m)
Important Notes
Torque value is an average of the provided range.
Brake Hydraulic And Pedal
1 Brake Master Cylinder Mounting Bolts
M6 x 1.0
1
Brake Master Cylinder Mounting Bolts
M6 x 1.0
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Torque value is an average of the provided range.
2 Brake Line Fittings
M6 x 1.0
2
Brake Line Fittings
M6 x 1.0
Torque Specification
12 ft-lbs (16 N·m)
Important Notes
Torque value is an average of the provided range.
3 Brake Pedal Assembly Bolts
M8 x 1.25
3
Brake Pedal Assembly Bolts
M8 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Torque value is an average of the provided range.
Drivetrain
Torque specifications for Drivetrain
Drivetrain
Torque specifications for Drivetrain
Engine
1 Flywheel Bolts
M12 x 1.5
1
Flywheel Bolts
M12 x 1.5
Torque Specification
85 ft-lbs (115 N·m)
Important Notes
Proper torque is essential to prevent damage to the engine and transmission.
2 Main Bearing Bolts
M10 x 1.25
2
Main Bearing Bolts
M10 x 1.25
Torque Specification
50 ft-lbs (68 N·m)
Important Notes
Proper torque ensures the bearings are securely fastened and prevents engine damage.
3 Connecting Rod Nuts
M8 x 1.25
3
Connecting Rod Nuts
M8 x 1.25
Torque Specification
29 ft-lbs (39 N·m)
Important Notes
Proper torque is necessary to maintain engine performance and prevent damage.
Transmission
1 Transmission Mounting Bolts
M14 x 1.5
1
Transmission Mounting Bolts
M14 x 1.5
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Proper torque is necessary to maintain transmission alignment and prevent damage.
2 Transmission Oil Pan Bolts
M8 x 1.25
2
Transmission Oil Pan Bolts
M8 x 1.25
Torque Specification
7 ft-lbs (9 N·m)
Important Notes
Proper torque is necessary to prevent oil leaks and maintain transmission performance.
3 Transmission Drain and Fill Plugs
M12 x 1.5
3
Transmission Drain and Fill Plugs
M12 x 1.5
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Proper torque is necessary to prevent leaks and maintain transmission performance.
Drivetrain
1 Drive Axle/Half Shaft Bolts
M14 x 1.5
1
Drive Axle/Half Shaft Bolts
M14 x 1.5
Torque Specification
55 ft-lbs (75 N·m)
Important Notes
Proper torque is essential to maintain drivetrain performance and prevent damage.
2 CV Joint/Axle Nut
M16 x 1.5
2
CV Joint/Axle Nut
M16 x 1.5
Torque Specification
140 ft-lbs (190 N·m)
Important Notes
Proper torque is necessary to maintain drivetrain performance and prevent damage.
3 Propeller/Drive Shaft Bolts
M12 x 1.5
3
Propeller/Drive Shaft Bolts
M12 x 1.5
Torque Specification
44 ft-lbs (60 N·m)
Important Notes
Proper torque is essential to maintain drivetrain performance and prevent damage.
Differential
1 Differential Cover Bolts
M10 x 1.25
1
Differential Cover Bolts
M10 x 1.25
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Proper torque is necessary to prevent oil leaks and maintain drivetrain performance. (Estimated value)
2 Axle Shaft Retaining Bolts
M12 x 1.5
2
Axle Shaft Retaining Bolts
M12 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Proper torque is necessary to maintain drivetrain performance and prevent damage. (Estimated value)
Transfer Case
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
Proper torque is necessary to maintain drivetrain performance and prevent damage. (Estimated value)
Driveshaft
1 Driveshaft Center Bearing Bolts
M10 x 1.25
1
Driveshaft Center Bearing Bolts
M10 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Proper torque is necessary to maintain drivetrain performance and prevent damage. (Estimated value)
Electrical
Torque specifications for Electrical
Electrical
Torque specifications for Electrical
Alternator
1 Alternator Mounting Bolts
M12 x 1.5
1
Alternator Mounting Bolts
M12 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Estimated torque value based on similar components. Consult the vehicle manufacturer's documentation for specific recommendations.
Starter Motor
1 Starter Motor Mounting Bolts
M14 x 1.5
1
Starter Motor Mounting Bolts
M14 x 1.5
Torque Specification
32 ft-lbs (43 N·m)
Important Notes
Estimated torque value based on similar components. Consult the vehicle manufacturer's documentation for specific recommendations.
Battery and Electrical Connectors
1 Battery Terminal Nuts
M8 x 1.25
1
Battery Terminal Nuts
M8 x 1.25
Torque Specification
6 ft-lbs (8 N·m)
2 Fuel Injector Electrical Connector Bolts
M6 x 1.0
2
Fuel Injector Electrical Connector Bolts
M6 x 1.0
Torque Specification
6 ft-lbs (8 N·m)
Important Notes
Estimated torque value based on similar components. Consult the vehicle manufacturer's documentation for specific recommendations.
3 Spark Plug Wire Boots
M8 x 1.25
3
Spark Plug Wire Boots
M8 x 1.25
Torque Specification
6 ft-lbs (8 N·m)
Important Notes
Estimated torque value based on similar components. Consult the vehicle manufacturer's documentation for specific recommendations.
Ignition Coil
1 Ignition Coil Mounting Bolts
M10 x 1.5
1
Ignition Coil Mounting Bolts
M10 x 1.5
Torque Specification
12 ft-lbs (16 N·m)
Important Notes
Estimated torque value based on similar components. Consult the vehicle manufacturer's documentation for specific recommendations.
Emissions Sensors
Torque specifications for Emissions_sensors
Emissions Sensors
Torque specifications for Emissions_sensors
EGR System
1 EGR Valve Bolts
M10 x 1.5
1
EGR Valve Bolts
M10 x 1.5
Torque Specification
7 ft-lbs (9.5 N·m)
Important Notes
Torque value is within the recommended range of 6-8 ft-lbs (8-11 N·m).
Oxygen Sensor System
1 Oxygen Sensor Bolts
M12 x 1.25
1
Oxygen Sensor Bolts
M12 x 1.25
Torque Specification
17.5 ft-lbs (23.7 N·m)
Important Notes
Torque value is estimated based on industry standards and manufacturer recommendations.
Catalytic Converter System
1 Catalytic Converter to Exhaust Pipe Bolts
M14 x 1.5
1
Catalytic Converter to Exhaust Pipe Bolts
M14 x 1.5
Torque Specification
25.5 ft-lbs (34.6 N·m)
Important Notes
Torque value is within the recommended range of 22-29 ft-lbs (30-39 N·m).
NOx Sensor System
1 NOx Sensor Bolts
M10 x 1.25
1
NOx Sensor Bolts
M10 x 1.25
Torque Specification
12.5 ft-lbs (16.9 N·m)
Important Notes
Torque value is estimated based on industry standards and manufacturer recommendations.
Exhaust Gas Temperature Sensor System
1 Exhaust Gas Temperature Sensor Bolts
M10 x 1.25
1
Exhaust Gas Temperature Sensor Bolts
M10 x 1.25
Torque Specification
12.5 ft-lbs (16.9 N·m)
Important Notes
Torque value is estimated based on industry standards and manufacturer recommendations.
Exhaust
Torque specifications for Exhaust
Exhaust
Torque specifications for Exhaust
Exhaust Manifold and Headers
1 Exhaust Manifold/Headers Bolts
M12 x 1.75
1
Exhaust Manifold/Headers Bolts
M12 x 1.75
Torque Specification
26 ft-lbs (35 N·m)
Important Notes
Estimated bolt size, typical for exhaust manifold/header applications.
2 Exhaust Manifold/Headers to Cylinder Head Bolts
M10 x 1.5
2
Exhaust Manifold/Headers to Cylinder Head Bolts
M10 x 1.5
Torque Specification
23 ft-lbs (31 N·m)
Important Notes
Estimated bolt size, typical for exhaust manifold/header to cylinder head applications.
Exhaust System Mounting
1 Exhaust System Mounting Bolts
M14 x 2
1
Exhaust System Mounting Bolts
M14 x 2
Torque Specification
23 ft-lbs (31 N·m)
Important Notes
Estimated torque value, based on general industry standards.
Exhaust Pipe and Accessories
1 Exhaust Pipe to Exhaust Manifold/Headers Bolts
M12 x 1.75
1
Exhaust Pipe to Exhaust Manifold/Headers Bolts
M12 x 1.75
Torque Specification
26 ft-lbs (35 N·m)
Important Notes
Estimated bolt size, typical for exhaust pipe to manifold/header applications.
2 Catalytic Converter to Exhaust Pipe Bolts
M12 x 1.75
2
Catalytic Converter to Exhaust Pipe Bolts
M12 x 1.75
Torque Specification
26 ft-lbs (35 N·m)
Important Notes
Estimated bolt size, typical for catalytic converter applications.
3 Muffler to Exhaust Pipe Bolts
M12 x 1.75
3
Muffler to Exhaust Pipe Bolts
M12 x 1.75
Torque Specification
26 ft-lbs (35 N·m)
Important Notes
Estimated bolt size, typical for muffler applications.
Oxygen Sensors
1 Oxygen Sensor Bolts
M8 x 1.25
1
Oxygen Sensor Bolts
M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Estimated torque value, based on general industry standards.
Turbocharger (if equipped)
1 Turbocharger Bolts
M14 x 2
1
Turbocharger Bolts
M14 x 2
Torque Specification
36 ft-lbs (49 N·m)
Important Notes
Estimated torque value, based on general industry standards.
Fuel
Torque specifications for Fuel
Fuel
Torque specifications for Fuel
Fuel Rail System
1 Fuel Rail Bolts
M6 x 1.0
1
Fuel Rail Bolts
M6 x 1.0
Torque Specification
7 ft-lbs (9.5 N·m)
Important Notes
Ensure even tightening in a crisscross pattern to avoid warping the fuel rail.
2 Fuel Injector Bolts
M6 x 1.0
2
Fuel Injector Bolts
M6 x 1.0
Torque Specification
7 ft-lbs (9.5 N·m)
Important Notes
Proper torque ensures a seal between the injector and engine.
Fuel Pump And Tank
1 Fuel Pump Mounting Bolts
M6 x 1.0
1
Fuel Pump Mounting Bolts
M6 x 1.0
Torque Specification
7 ft-lbs (9.5 N·m)
Important Notes
Estimated value based on similar M6 bolts in fuel systems.
2 Fuel Tank Strap Bolts
M8 x 1.25
2
Fuel Tank Strap Bolts
M8 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Ensure straps are evenly tightened to avoid tank deformation.
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 (9.5 N·m)
Important Notes
Estimated value based on similar M6 bolts in fuel systems.
Fuel Lines And Fittings
1 Fuel Line Fittings
M8 x 1.25
1
Fuel Line Fittings
M8 x 1.25
Torque Specification
12.5 ft-lbs (17 N·m)
Important Notes
Estimated value based on similar M8 fittings in fuel systems.
2 Fuel Return Line Bolts
M6 x 1.0
2
Fuel Return Line Bolts
M6 x 1.0
Torque Specification
7 ft-lbs (9.5 N·m)
Important Notes
Estimated value based on similar M6 bolts in fuel systems.
High Pressure Fuel System
1 High-Pressure Fuel Pump Mounting Bolts
M8 x 1.25
1
High-Pressure Fuel Pump Mounting Bolts
M8 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Estimated value based on similar M8 bolts in high-pressure systems.
2 Fuel Pressure Regulator Bolts
M6 x 1.0
2
Fuel Pressure Regulator Bolts
M6 x 1.0
Torque Specification
7 ft-lbs (9.5 N·m)
Important Notes
Estimated value based on similar M6 bolts in fuel systems.
Hvac
Torque specifications for Hvac
Hvac
Torque specifications for Hvac
Ac Compressor
1 A/C Compressor Mounting Bolts
M10 x 1.25
1
A/C Compressor Mounting Bolts
M10 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Ensure bolts are tightened in a crisscross pattern to evenly distribute clamping force.
2 A/C Line Fittings
M8 x 1.25
2
A/C Line Fittings
M8 x 1.25
Torque Specification
12.5 ft-lbs (17 N·m)
Important Notes
Estimated value based on similar fittings. Ensure O-rings are properly seated before tightening.
Evaporator
1 Evaporator Housing Bolts
M6 x 1.0
1
Evaporator Housing Bolts
M6 x 1.0
Torque Specification
7 ft-lbs (9.5 N·m)
Important Notes
Estimated value based on similar housing bolts. Avoid over-tightening to prevent cracking.
Blower Motor
1 Blower Motor Mounting Bolts
M6 x 1.0
1
Blower Motor Mounting Bolts
M6 x 1.0
Torque Specification
7 ft-lbs (9.5 N·m)
Important Notes
Estimated value based on similar motor mounting bolts.
Condenser
1 Condenser Mounting Bolts
M6 x 1.0
1
Condenser Mounting Bolts
M6 x 1.0
Torque Specification
7 ft-lbs (9.5 N·m)
Important Notes
Estimated value based on similar mounting bolts. Avoid over-tightening to prevent damage to fins.
Heater Core
1 Heater Core Inlet/Outlet Fittings
M8 x 1.25
1
Heater Core Inlet/Outlet Fittings
M8 x 1.25
Torque Specification
12.5 ft-lbs (17 N·m)
Important Notes
Estimated value based on similar fittings. Ensure O-rings are properly seated.
Control Panel
1 HVAC Control Panel Mounting Screws
M4 x 0.7
1
HVAC Control Panel Mounting Screws
M4 x 0.7
Torque Specification
3 ft-lbs (4 N·m)
Important Notes
Estimated value based on similar panel screws. Avoid over-tightening to prevent cracking.
Suspension
Torque specifications for Suspension
Suspension
Torque specifications for Suspension
Strut/Shock Absorber Mounting
1 Strut/Shock Absorber Mounting Bolts
M14 x 1.5
1
Strut/Shock Absorber Mounting Bolts
M14 x 1.5
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Estimated value, consult vehicle manufacturer's specifications for accurate information.
Control Arm Mounting
1 Control Arm Bolts
M16 x 1.5
1
Control Arm Bolts
M16 x 1.5
Torque Specification
94 ft-lbs (127 N·m)
Ball Joint and Tie Rod End Mounting
1 Ball Joint Nut
M12 x 1.5
1
Ball Joint Nut
M12 x 1.5
Torque Specification
56 ft-lbs (76 N·m)
2 Tie Rod End Nut
M12 x 1.5
2
Tie Rod End Nut
M12 x 1.5
Torque Specification
40 ft-lbs (54 N·m)
Sway Bar Link Mounting
1 Sway Bar Link Nut
M12 x 1.5
1
Sway Bar Link Nut
M12 x 1.5
Torque Specification
40 ft-lbs (54 N·m)
Upper and Lower Control Arm Bushing Mounting
1 Upper Control Arm Bushing Bolts
M10 x 1.5
1
Upper Control Arm Bushing Bolts
M10 x 1.5
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated value, consult vehicle manufacturer's specifications for accurate information.
2 Lower Control Arm Bushing Bolts
M10 x 1.5
2
Lower Control Arm Bushing Bolts
M10 x 1.5
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated value, consult vehicle manufacturer's specifications for accurate information.
Steering Knuckle Mounting
1 Steering Knuckle Bolts
M14 x 1.5
1
Steering Knuckle Bolts
M14 x 1.5
Torque Specification
75 ft-lbs (102 N·m)
Important Notes
Estimated value, consult vehicle manufacturer's specifications for accurate information.
Coil Spring Mounting
1 Coil Spring Mounting Bolts
M12 x 1.5
1
Coil Spring Mounting Bolts
M12 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Estimated value, consult vehicle manufacturer's specifications for accurate information.
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 for the wheel bolts on a 2012 Mercedes Sprinter?
Q1
What IS the recommended torque for the wheel bolts on a 2012 Mercedes Sprinter?
The recommended torque for the wheel bolts on a 2012 Mercedes Sprinter IS 150 Nm (110 ft-lbs).
Q2 What IS the proper sequence for tightening the cylinder head bolts on a 2016 Mercedes Sprinter?
Q2
What IS the proper sequence for tightening the cylinder head bolts on a 2016 Mercedes Sprinter?
The proper sequence for tightening the cylinder head bolts on a 2016 Mercedes Sprinter IS as follows: 1, 5, 3, 7, 2, 6, 4, 8. Tighten the bolts in two stages: 20 Nm (15 ft-lbs) followed by 90 degrees, then 90 degrees.
Q3 What torque wrench should I use for torquing the suspension bolts on a 2008 Mercedes Sprinter?
Q3
What torque wrench should I use for torquing the suspension bolts on a 2008 Mercedes Sprinter?
For the suspension bolts on a 2008 Mercedes Sprinter, it IS recommended to use a torque wrench with a range of 0-200 Nm (0-150 ft-lbs) and a minimum accuracy of ±3%.
Q4 What IS the torque specification for the brake caliper bolts on a 2018 Mercedes Sprinter?
Q4
What IS the torque specification for the brake caliper bolts on a 2018 Mercedes Sprinter?
The torque specification for the brake caliper bolts on a 2018 Mercedes Sprinter IS 120 Nm (90 ft-lbs).
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 sprinter.
- Digital display for accurate readings
- Audible alarm when target torque IS reached
- Multiple units (Nm, ft-lb, in-lb)
- Reversible ratcheting mechanism
Service Procedures
Sprinter Bolt Torque Specifications
Vehicle component torque values for 2006-2018 Mercedes sprinter models.
- Refer to the service manual for specific component torque values.
- Use a digital torque wrench to ensure accuracy.
- Tighten fasteners in a star pattern to evenly distribute the load.
Technical Service Bulletins
Sprinter Recall: Loose Head Bolts
2016-03-08Certain 2006-2014 Sprinter models may have loose head bolts, potentially causing engine damage. Dealers will inspect and tighten the bolts to the correct torque specifications.
2006-2014 sprinter
Resolution: Dealers will inspect and tighten the bolts to the correct torque specifications (100 Nm).
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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.
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- If you're unsure about any procedure, consult a qualified professional mechanic.
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