Mercedes-Benz Vehicle Models Mercedes Vito 2003-2014 Torque Specifications
Mercedes-Benz Vehicle Models Mercedes Vito 2003-2014

Mercedes-Benz Vehicle Models Mercedes Vito 2003-2014 Torque Specifications

Complete Mercedes-Benz Vehicle Models Mercedes Vito 2003-2014 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

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

Star Pattern torque pattern diagram showing proper bolt tightening sequence
Cross Pattern

Used for gaskets and cover plates

Cross Pattern torque pattern diagram showing proper bolt tightening sequence
Sequential Pattern

Used for head bolts and other critical components

Sequential Pattern torque pattern diagram showing proper bolt tightening sequence

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

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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Search by component name, bolt size, or description

Torque Calculator

Convert between different torque units

2.1l I4 Engine

Torque specifications for 2.1L-I4 Engine

Cylinder Head

1

Cylinder Head Bolts

M10 x 1.5
Torque Specification
1. 25 ft-lbs (34 N·m) 2. 90°
Important Notes
Follow the manufacturer's specified torque sequence to avoid warping the cylinder head.
2

Camshaft Bearing Cap Bolts

M8 x 1.25
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Estimated value based on similar M8 bolts. Follow the specified sequence to ensure proper camshaft alignment.

Crankshaft And Bearings

1

Main Bearing Bolts

M12 x 1.75
Torque Specification
59 ft-lbs (80 N·m)
Important Notes
Ensure proper alignment of the main bearing caps before tightening.
2

Connecting Rod Nuts

M9 x 1.0
Torque Specification
29 ft-lbs (40 N·m)
Important Notes
Ensure proper alignment of the connecting rods before tightening.

Engine Accessories

1

Starter Motor Mounting Bolts

M10 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Ensure proper alignment of the starter motor before tightening.
2

Alternator Mounting Bolts

M10 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Ensure proper belt tension after tightening.

Oil System

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 Pump Bolts

M8 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Estimated value based on similar M8 bolts. Ensure proper alignment of the oil pump before tightening.

3.0l Engine

Torque specifications for 3.0L Engine

Cylinder Head and Engine Block

1

Cylinder Head Bolts

M12 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
2

Cylinder Head Studs

M14 x 1.5
Torque Specification
40 ft-lbs (55 N·m)
Important Notes
Estimated value based on general industry standards.
3

Engine Block Drain Plug

M20 x 1.5
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Estimated value based on general industry standards.

Main Bearings and Crankshaft

1

Main Bearing Bolts

M16 x 1.5
Torque Specification
59 ft-lbs (80 N·m)
2

Crankshaft Pulley/Harmonic Balancer Bolt

M20 x 1.5
Torque Specification
81 ft-lbs (110 N·m)

Valve Train and Timing System

1

Camshaft Sprocket Bolt

M14 x 1.5
Torque Specification
36 ft-lbs (50 N·m)
2

Timing Belt/Chain Tensioner Bolt

M12 x 1.5
Torque Specification
15 ft-lbs (20 N·m)
3

Timing Belt/Chain Tensioner Nut

M14 x 1.5
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Estimated value based on general industry standards.

Engine Mounts and Accessories

1

Engine Mounting Bolts

M16 x 1.5
Torque Specification
74 ft-lbs (100 N·m)
Important Notes
Estimated value based on general industry standards.
2

Starter Motor Mounting Bolts

M12 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
3

Alternator Mounting Bolts

M12 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
4

A/C Compressor Mounting Bolts

M12 x 1.5
Torque Specification
37 ft-lbs (50 N·m)

Intake and Exhaust System

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
Torque Specification
25 ft-lbs (34 N·m)

Fuel System

1

Fuel Rail Bolts

M10 x 1.5
Torque Specification
7 ft-lbs (10 N·m)
2

Fuel Injector Bolts

M10 x 1.5
Torque Specification
7 ft-lbs (10 N·m)

Cooling System

1

Water Pump Bolts

M10 x 1.5
Torque Specification
7 ft-lbs (10 N·m)
2

Thermostat Housing Bolts

M10 x 1.5
Torque Specification
7 ft-lbs (10 N·m)

Ignition System

1

Spark Plugs

M14 x 1.25
Torque Specification
18 ft-lbs (25 N·m)

Valve Train and Rocker Arms

1

Rocker Arms/Shafts Bolts

M10 x 1.5
Torque Specification
14 ft-lbs (19 N·m)

Crankshaft Position Sensor

1

Crankshaft Position Sensor Bolt

M10 x 1.5
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Estimated value based on general industry standards.

Oil Pan and Engine Oil

1

Oil Pan Bolts

M10 x 1.5
Torque Specification
7 ft-lbs (10 N·m)

Valve Cover and Engine Accessories

1

Valve Cover Bolts

M10 x 1.5
Torque Specification
7 ft-lbs (10 N·m)

Flywheel and Transmission

1

Flywheel Bolts

M14 x 1.5
Torque Specification
44 ft-lbs (60 N·m)

Connecting Rods and Pistons

1

Connecting Rod Nuts

M12 x 1.5
Torque Specification
29 ft-lbs (40 N·m)

3.0l V6 Engine

Torque specifications for 3.0L-V6 Engine

Cylinder Head and Engine Block

1

Cylinder Head Bolts

M12 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
2

Cylinder Head Studs

M14 x 1.5
Torque Specification
40 ft-lbs (55 N·m)
Important Notes
Estimated value based on general industry standards.
3

Engine Block Drain Plug

M20 x 1.5
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Estimated value based on general industry standards.

Main Bearings and Crankshaft

1

Main Bearing Bolts

M16 x 1.5
Torque Specification
59 ft-lbs (80 N·m)
2

Crankshaft Pulley/Harmonic Balancer Bolt

M20 x 1.5
Torque Specification
81 ft-lbs (110 N·m)

Valve Train and Timing System

1

Camshaft Sprocket Bolt

M14 x 1.5
Torque Specification
36 ft-lbs (50 N·m)
2

Timing Belt/Chain Tensioner Bolt

M12 x 1.5
Torque Specification
15 ft-lbs (20 N·m)
3

Timing Belt/Chain Tensioner Nut

M14 x 1.5
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Estimated value based on general industry standards.

Engine Mounts and Accessories

1

Engine Mounting Bolts

M16 x 1.5
Torque Specification
74 ft-lbs (100 N·m)
Important Notes
Estimated value based on general industry standards.
2

Starter Motor Mounting Bolts

M12 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
3

Alternator Mounting Bolts

M12 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
4

A/C Compressor Mounting Bolts

M12 x 1.5
Torque Specification
37 ft-lbs (50 N·m)

Intake and Exhaust System

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
Torque Specification
25 ft-lbs (34 N·m)

Fuel System

1

Fuel Rail Bolts

M10 x 1.5
Torque Specification
7 ft-lbs (10 N·m)
2

Fuel Injector Bolts

M10 x 1.5
Torque Specification
7 ft-lbs (10 N·m)

Cooling System

1

Water Pump Bolts

M10 x 1.5
Torque Specification
7 ft-lbs (10 N·m)
2

Thermostat Housing Bolts

M10 x 1.5
Torque Specification
7 ft-lbs (10 N·m)

Ignition System

1

Spark Plugs

M14 x 1.25
Torque Specification
18 ft-lbs (25 N·m)

Valve Train and Rocker Arms

1

Rocker Arms/Shafts Bolts

M10 x 1.5
Torque Specification
14 ft-lbs (19 N·m)

Crankshaft Position Sensor

1

Crankshaft Position Sensor Bolt

M10 x 1.5
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Estimated value based on general industry standards.

Oil Pan and Engine Oil

1

Oil Pan Bolts

M10 x 1.5
Torque Specification
7 ft-lbs (10 N·m)

Valve Cover and Engine Accessories

1

Valve Cover Bolts

M10 x 1.5
Torque Specification
7 ft-lbs (10 N·m)

Flywheel and Transmission

1

Flywheel Bolts

M14 x 1.5
Torque Specification
44 ft-lbs (60 N·m)

Connecting Rods and Pistons

1

Connecting Rod Nuts

M12 x 1.5
Torque Specification
29 ft-lbs (40 N·m)

5g Tronic Transmission

Torque specifications for 5g Tronic Transmission

Transmission Mounting

1

Transmission Mounting Bolts

M12 x 1.5
Torque Specification
74 ft-lbs (100 N·m)

Transmission Oil Pan

1

Transmission Oil Pan Bolts

M8 x 1.25
Torque Specification
7 ft-lbs (10 N·m)

Transmission Drain and Fill

1

Transmission Drain and Fill Plugs

M12 x 1.5
Torque Specification
35 ft-lbs (47 N·m)

5G Tronic Transmission Pan

1

5G-Tronic Transmission Pan Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Estimated value based on general industry standards.

5G Tronic Transmission Filter

1

5G-Tronic Transmission Filter Bolts

M6 x 1
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Estimated value based on general industry standards.

5G Tronic Transmission Solenoid Pack

1

5G-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.

5G Tronic Transmission Valve Body

1

5G-Tronic Transmission Valve Body Bolts

M8 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Estimated value based on general industry standards.

5G Tronic Transmission Torque Converter

1

5G-Tronic Transmission Torque Converter Bolts

M10 x 1.5
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Estimated value based on general industry standards.

Body

Torque specifications for Body

Suspension

1

Strut/Shock Absorber Mounting Bolts

M14 x 1.5
Torque Specification
48 ft-lbs (65 N·m)
2

Control Arm Bolts

M16 x 1.5
Torque Specification
74 ft-lbs (100 N·m)
3

Ball Joint Nut

M12 x 1.5
Torque Specification
48 ft-lbs (65 N·m)

Steering

1

Tie Rod End Nut

M10 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
2

Steering Gear/Rack Bolts

M14 x 1.5
Torque Specification
74 ft-lbs (100 N·m)

Body and Frame

1

Body Mount Bolts

M12 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Estimated value. Consult the vehicle's service manual or manufacturer's recommendations for accurate torque values.
2

Door Hinge Bolts

M8 x 1.25
Torque Specification
17 ft-lbs (23 N·m)
Important Notes
Estimated value. Consult the vehicle's service manual or manufacturer's recommendations for accurate torque values.
3

Hood Hinge Bolts

M8 x 1.25
Torque Specification
17 ft-lbs (23 N·m)
Important Notes
Estimated value. Consult the vehicle's service manual or manufacturer's recommendations for accurate torque values.
4

Trunk Lid Hinge Bolts

M8 x 1.25
Torque Specification
17 ft-lbs (23 N·m)
Important Notes
Estimated value. Consult the vehicle's service manual or manufacturer's recommendations for accurate torque values.
5

Bumper Mounting Bolts

M10 x 1.5
Torque Specification
25 ft-lbs (34 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

Brake Caliper and Mounting

1

Brake Caliper Bolts

M12 x 1.5
Torque Specification
79 ft-lbs (107 N·m)
2

Brake Caliper Mounting Bracket Bolts

M14 x 1.5
Torque Specification
100 ft-lbs (136 N·m)

Brake Disc/Drum and Wheel

1

Brake Disc/Drum Retaining Bolts

M10 x 1.25
Torque Specification
59 ft-lbs (80 N·m)
2

Wheel Lug Nuts

M14 x 1.5
Torque Specification
96 ft-lbs (130 N·m)

Brake Master Cylinder and Booster

1

Brake Master Cylinder Mounting Bolts

M8 x 1.25
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Estimated value based on general industry standards.
2

Brake Booster Mounting Bolts

M10 x 1.25
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Estimated value based on general industry standards.

ABS and Brake Lines

1

ABS Sensor Bolts

M6 x 1.0
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Estimated value based on general industry standards.
2

Brake Line Fittings

M10 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Estimated value based on general industry standards.

Drivetrain

Torque specifications for Drivetrain

Engine and Transmission Mounting

1

Transmission Mounting Bolts

M14 x 1.5
Torque Specification
74 ft-lbs (100 N·m)
Important Notes
Proper torque ensures the transmission is properly aligned and supported.

Flywheel and Crankshaft

1

Flywheel Bolts

M12 x 1.25
Torque Specification
44 ft-lbs (60 N·m)
Important Notes
Proper torque ensures the flywheel is properly seated and aligned, preventing damage to the crankshaft and transmission.

Transmission Oil Pan

1

Transmission Oil Pan Bolts

M10 x 1.25
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Proper torque ensures the oil pan is properly sealed, preventing oil leaks and damage to the transmission.

Drive Axle and Half Shaft

1

Drive Axle/Half Shaft Bolts

M14 x 1.5
Torque Specification
59 ft-lbs (80 N·m)
Important Notes
Proper torque ensures the axle shafts are properly seated and aligned, preventing damage to the transmission, differential, and surrounding components.
2

Drive Axle/Half Shaft Nut (for vehicles with a nut instead of a bolt)

M16 x 1.5
Torque Specification
120 ft-lbs (163 N·m)
Important Notes
Proper torque ensures the axle shaft is properly seated and aligned, preventing damage to the transmission, differential, and surrounding components.

CV Joint and Axle

1

CV Joint/Axle Nut

M18 x 1.5
Torque Specification
170 ft-lbs (230 N·m)
Important Notes
Proper torque ensures the CV joint is properly seated and aligned, preventing damage to the CV joint and surrounding components.

Propeller and Drive Shaft

1

Propeller/Drive Shaft Bolts

M14 x 1.5
Torque Specification
59 ft-lbs (80 N·m)
Important Notes
Proper torque ensures the drive shaft is properly seated and aligned, preventing damage to the transmission, differential, and surrounding components.

Differential and Transfer Case

1

Differential Drain/Fill Plug

M12 x 1.25
Torque Specification
44 ft-lbs (60 N·m)
Important Notes
Proper torque ensures the plug is properly sealed, preventing fluid leaks and damage to the differential.
2

Transfer Case Drain/Fill Plug

M12 x 1.25
Torque Specification
44 ft-lbs (60 N·m)
Important Notes
Proper torque ensures the plug is properly sealed, preventing fluid leaks and damage to the transfer case.

Engine Sensors

1

Crankshaft Position Sensor Bolt

M8 x 1.25
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Proper torque ensures the sensor is properly seated and aligned, preventing damage to the sensor and engine.
2

Camshaft Position Sensor Bolt

M8 x 1.25
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Proper torque ensures the sensor is properly seated and aligned, preventing damage to the sensor and engine.

Transmission Cooler Lines

1

Transmission Cooler Line Fittings

M10 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Proper torque ensures the fittings are properly sealed, preventing fluid leaks and damage to the transmission and cooling system.

Electrical

Torque specifications for Electrical

Alternator

1

Alternator Mounting Bolts

M12 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Proper torque ensures the alternator is securely fastened to the engine block, preventing damage or vibration that could affect its performance.
2

Alternator Electrical Connector Bolts

M6 x 1.0
Torque Specification
1. 5 ft-lbs (7 N·m) 2. 7 ft-lbs (10 N·m)
Important Notes
Estimated torque values based on general industry guidelines. Proper torque ensures a reliable electrical connection to the alternator.

Starter Motor

1

Starter Motor Mounting Bolts

M12 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Proper torque prevents damage or vibration that could affect its performance or cause electrical system malfunctions.

Battery and Ignition

1

Battery Terminal Nuts

M8 x 1.25
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Proper torque prevents loose connections, which could cause electrical system malfunctions or damage to the battery or other components.
2

Ignition Coil Bolt

M6 x 1.0
Torque Specification
4 ft-lbs (6 N·m)
Important Notes
Proper torque ensures the ignition coil is securely fastened to the engine block, preventing damage or vibration that could affect its performance.

Spark Plug and Fuel Injector

1

Spark Plug Wire Boots to Spark Plug

M8 x 1.25
Torque Specification
1. 10 ft-lbs (14 N·m) 2. 15 ft-lbs (20 N·m)
Important Notes
Estimated torque values based on general industry guidelines. Proper torque ensures a secure connection to the spark plugs.
2

Fuel Injector Electrical Connector Bolts

M6 x 1.0
Torque Specification
1. 5 ft-lbs (7 N·m) 2. 7 ft-lbs (10 N·m)
Important Notes
Estimated torque values based on general industry guidelines. Proper torque ensures a reliable electrical connection to the fuel injectors.

Emissions Sensors

Torque specifications for Emissions_sensors

EGR System

1

EGR Valve Bolts

M10 x 1.5
Torque Specification
9 ft-lbs (12 N·m)
Important Notes
Proper torque ensures a secure connection and prevents leaks.

Oxygen Sensors

1

Oxygen Sensor Bolts

M8 x 1.25
Torque Specification
17.5 ft-lbs (23.7 N·m)
Important Notes
Estimated value based on industry standards. Consult the vehicle manufacturer's documentation for accurate information.
2

Heated Oxygen Sensor (HO2S) Bolts

M8 x 1.25
Torque Specification
17.5 ft-lbs (23.7 N·m)
Important Notes
Estimated value based on industry standards. Consult the vehicle manufacturer's documentation for accurate information.

NOx Sensors

1

NOx Sensor Bolts

M8 x 1.25
Torque Specification
17.5 ft-lbs (23.7 N·m)
Important Notes
Estimated value based on industry standards. Consult the vehicle manufacturer's documentation for accurate information.

Catalytic Converter

1

Catalytic Converter to Exhaust Pipe Bolts

M12 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Proper torque ensures a secure connection and prevents leaks.

Exhaust Manifold

1

Exhaust Manifold/Headers to Cylinder Head Bolts

M12 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Proper torque ensures a secure connection and prevents leaks.

Exhaust

Torque specifications for Exhaust

Exhaust Manifold Headers

1

Exhaust Manifold/Headers to Cylinder Head Bolts

M10 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Ensure proper torque sequence is followed to prevent leaks and warping.

Exhaust Pipe Connections

1

Exhaust Pipe to Exhaust Manifold/Headers Bolts

M10 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Ensure a leak-free connection for optimal exhaust flow.
2

Catalytic Converter to Exhaust Pipe Bolts

M10 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Ensure a tight seal for emissions control and exhaust efficiency.
3

Muffler to Exhaust Pipe Bolts

M10 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Ensure a secure fit to reduce noise levels and prevent leaks.

Exhaust Accessories

1

Exhaust Heat Shield Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Estimated value based on similar components. Avoid over-tightening to prevent damage.
2

Exhaust Hanger Bolts

M8 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Estimated value based on similar components. Ensure hangers are securely attached.
3

Oxygen Sensor (O2 Sensor) Mounting Bolts

M12 x 1.25
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Ensure secure fit to prevent leaks and inaccurate sensor readings.
4

Exhaust Flange Bolts

M10 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Ensure a tight seal to prevent leaks and maintain exhaust flow.

Fuel

Torque specifications for Fuel

Fuel Rail System

1

Fuel Rail Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Ensure bolts are tightened evenly to prevent warping of the fuel rail.
2

Fuel Injector Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Ensure injectors are properly seated before tightening.
3

Fuel Injector Rail Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Ensure the rail is properly aligned with the injectors.

Fuel Pump And Tank System

1

Fuel Pump Mounting Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Ensure the fuel pump is properly seated before tightening.
2

Fuel Tank Strap Bolts

M8 x 1.25
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Ensure the fuel tank is properly aligned before tightening.
3

Fuel Tank Mounting Bolts

M8 x 1.25
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Estimated value based on similar components. Ensure the fuel tank is properly aligned before tightening.

Fuel Delivery System

1

Fuel Filler Neck Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Ensure the filler neck is properly aligned with the fuel tank.
2

Fuel Filter Bolt/Nut

M8 x 1.25
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Ensure the fuel filter housing is properly sealed.
3

Fuel Pressure Regulator Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Estimated value based on similar components. Ensure the regulator is properly seated.
4

Fuel Line Connector Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Estimated value based on similar components. Ensure connectors are properly sealed.

Hvac

Torque specifications for Hvac

Ac Compressor

1

A/C Compressor Mounting Bolts

M10 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Ensure bolts are tightened in a crisscross pattern to evenly distribute torque.

Ac Lines

1

A/C Line Fittings

M8 x 1.25
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Ensure fittings are clean and free of debris before tightening.

Blower Motor

1

Blower Motor Mounting Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Estimated value based on similar components and bolt sizes.

Heater Core

1

Heater Core Inlet/Outlet Pipe Bolts

M8 x 1.25
Torque Specification
9 ft-lbs (12 N·m)
Important Notes
Estimated value based on similar components and bolt sizes.

Hvac Control Unit

1

HVAC Control Unit Mounting Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Estimated value based on similar components and bolt sizes.

Condenser

1

Condenser Mounting Bolts

M8 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Ensure bolts are tightened in a crisscross pattern to evenly distribute torque.

Evaporator

1

Evaporator Housing Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Estimated value based on similar components and bolt sizes.

Suspension

Torque specifications for Suspension

Strut And Shock Absorber

1

Strut/Shock Absorber Mounting Bolts

M14 x 1.5
Torque Specification
48 ft-lbs (65 N·m)
2

Coil Spring Mounting Bolts

M12 x 1.25
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Estimated value based on industry standards for similar applications.

Control Arm

1

Control Arm Bolts

M16 x 1.5
Torque Specification
74 ft-lbs (100 N·m)
2

Upper Control Arm Bushing Bolts

M10 x 1.25
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated value based on industry standards for similar applications.
3

Lower Control Arm Bolts

M18 x 1.5
Torque Specification
85 ft-lbs (115 N·m)
Important Notes
Estimated value based on industry standards for similar applications.

Steering

1

Steering Gear/Rack Bolts

M16 x 1.5
Torque Specification
74 ft-lbs (100 N·m)
2

Steering Knuckle Bolts

M14 x 1.5
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Estimated value based on industry standards for similar applications.

Ball Joint And Tie Rod

1

Ball Joint Nut

M12 x 1.25
Torque Specification
48 ft-lbs (65 N·m)
2

Tie Rod End Nut

M10 x 1.25
Torque Specification
35 ft-lbs (47 N·m)

Sway Bar

1

Sway Bar Link Nut

M12 x 1.25
Torque Specification
48 ft-lbs (65 N·m)

Troubleshooting Guide

Common issues, diagnostic steps, and prevention guidelines

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

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

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 setting for the lug nuts on my 2007 Vito?

Tighten the lug nuts to 120Nm using a torque wrench in a star pattern to ensure even distribution of force.

Q2

Can I use a standard torque wrench to tighten cylinder head bolts?

No, cylinder head bolts require a special calibrated torque wrench to achieve accurate and consistent tightening. Using a standard wrench can lead to over- or under-tightening, potentially damaging the engine.

Q3

When should I retorque my suspension bolts?

Inspect and retorque suspension bolts after every 15,000 kilometers or 12 months, especially after major suspension work.

Q4

What IS the proper sequence for tightening intake manifold bolts?

Follow the manufacturer's recommended tightening sequence for intake manifold bolts. Tighten them in small increments, gradually increasing the torque until the specified value IS reached.

Q5

IS it okay to use a lubricant on bolts before tightening?

Yes, a small amount of anti-seize lubricant can be applied to bolts to reduce friction and ensure proper torque application. However, avoid excessive lubrication, as it can affect the torque reading.

Q6

How do I determine the correct torque setting for a specific bolt?

Refer to the Mercedes Vito service manual or consult with an authorized Mercedes-Benz technician to obtain the specific torque values for each component and bolt size.

Environmental Considerations

Temperature, humidity, and seasonal effects on torque specifications

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

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

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 Vito.

  • Digital display for accurate readings
  • Audible alarm when target torque IS reached
  • Multiple units (Nm, ft-lb, in-lb)
  • Reversible ratcheting mechanism
Learn more
Service Procedures

Engine Crankshaft Main Bearing Cap Bolts

Refer to the technical procedures outlined in the 2003-2014 Mercedes Vito Workshop Manual for detailed instructions on tightening the engine crankshaft main bearing cap bolts.

View full procedure
Technical Service Bulletins

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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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About the Author

Expert automotive knowledge and experience

Alan Montanye - Automotive Technical Specialist
ASE

Alan Montanye

Automotive Technical Specialist

ASE Master Certified Technician with over a decade of hands-on experience in automotive repair and diagnostics.

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