Volvo Vehicle Models Volvo V50 2004-2012 Torque Specifications
Volvo Vehicle Models Volvo V50 2004-2012

Volvo Vehicle Models Volvo V50 2004-2012 Torque Specifications

Complete Volvo Vehicle Models Volvo V50 2004-2012 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

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1.6l I4 Engine

Torque specifications for 1.6L-I4 Engine

Cylinder Head

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 torque sequence to ensure even clamping force.
2

Camshaft Cap Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Estimated value based on similar M8 bolts in cylinder head applications.

Crankshaft And Bearings

1

Main Bearing Bolts

M12 x 1.5
Torque Specification
59 ft-lbs (80 N·m)
Important Notes
Ensure proper alignment of the crankshaft 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.

Flywheel

1

Flywheel Bolts

M12 x 1.5
Torque Specification
59 ft-lbs (80 N·m)
Important Notes
Ensure the flywheel is properly aligned with the crankshaft before tightening.

Valvetrain

1

Rocker Arms/Shafts Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure proper valve clearance before tightening.

Intake And Exhaust

1

Intake Manifold Bolts

M8 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Ensure proper alignment of the intake manifold before tightening.
2

Exhaust Manifold/Headers Bolts

M10 x 1.25
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Ensure proper alignment of the exhaust manifold before tightening.

Cooling System

1

Water Pump Bolts

M8 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Ensure proper alignment of the water pump before tightening.
2

Thermostat Housing Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure proper alignment of the thermostat housing before tightening.

Accessory Drive

1

Crankshaft Pulley/Harmonic Balancer Bolt

M14 x 1.5
Torque Specification
74 ft-lbs (100 N·m)
Important Notes
Ensure proper alignment of the harmonic balancer before tightening.
2

Serpentine/Accessory Drive Belt Tensioner Bolt

M10 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure proper tensioning of the accessory drive belt.

2.0l I4 Engine

Torque specifications for 2.0L-I4 Engine

Cylinder Head

1

Cylinder Head Bolts

M10 x 1.5
Torque Specification
1. 18 ft-lbs (25 N·m) 2. 90°
Important Notes
Torque sequence must be followed as per manufacturer guidelines.
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

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

Connecting Rod Nuts

M8 x 1.25
Torque Specification
29 ft-lbs (40 N·m)
Important Notes
Ensure proper alignment of connecting rods before tightening.

Timing System

1

Camshaft Sprocket Bolt

M10 x 1.5
Torque Specification
59 ft-lbs (80 N·m)
Important Notes
Ensure proper alignment of the camshaft sprocket before tightening.
2

Timing Belt Tensioner Bolt

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure proper tension on the timing belt before 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 Drain Plug

M14 x 1.5
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Replace the crush washer with a new one during installation.

Intake And Exhaust

1

Intake Manifold Bolts

M8 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Ensure the intake manifold gasket is properly seated before tightening.
2

Exhaust Manifold Bolts

M8 x 1.25
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Ensure the exhaust manifold gasket is properly seated before tightening.

2.4l I5 Engine

Torque specifications for 2.4L-I5 Engine

Cylinder Head and Valve Train

1

Cylinder Head Bolts

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

Valve Cover Bolts

M10 x 1.25
Torque Specification
59 ft-lbs (80 N·m)
3

Rocker Arms/Shafts Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)

Engine Block and Main Bearings

1

Main Bearing Bolts

M14 x 1.5
Torque Specification
59 ft-lbs (80 N·m)
2

Engine Block to Transmission Mounting Bolts

M12 x 1.5
Torque Specification
74 ft-lbs (100 N·m)
Important Notes
Estimated value based on general engine assembly practices.

Crankshaft and Connecting Rods

1

Connecting Rod Nuts

M10 x 1.25
Torque Specification
29 ft-lbs (40 N·m)
2

Crankshaft Pulley/Harmonic Balancer Bolt

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

Intake and Exhaust Systems

1

Intake Manifold Bolts

M10 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
2

Exhaust Manifold/Headers Bolts

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

Fuel Rail Bolts

M8 x 1.25
Torque Specification
15 ft-lbs (20 N·m)

Cooling and Lubrication Systems

1

Water Pump Bolts

M10 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
2

Thermostat Housing Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
3

Engine Oil Cooler Bolts

M10 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Estimated value based on general engine assembly practices.

Ignition and Ventilation Systems

1

Spark Plugs

M14 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
2

PCV Valve Bolts

M8 x 1.25
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Estimated value based on general engine assembly practices.
3

Engine Mounting Bolts

M12 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Estimated value based on general engine assembly practices.

2.5l I5 Engine

Torque specifications for 2.5L-I5 Engine

Cylinder Head

1

Cylinder Head Bolts

M10 x 1.5
Torque Specification
1. 18 ft-lbs (25 N·m) 2. 90°
Important Notes
Follow the manufacturer's specified tightening sequence. Final torque is achieved by turning the bolts an additional 90 degrees.
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

M12 x 1.75
Torque Specification
59 ft-lbs (80 N·m)
Important Notes
Follow the manufacturer's specified tightening sequence.
2

Connecting Rod Nuts

M8 x 1.25
Torque Specification
29 ft-lbs (40 N·m)
Important Notes
Ensure proper alignment of the connecting rod caps.

Turbocharger System

1

Turbocharger Mounting Bolts

M10 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Ensure proper alignment of the turbocharger to the exhaust manifold.
2

Turbocharger Oil Feed Line Fittings

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure the oil feed line is properly aligned before tightening.

Intake And Exhaust

1

Intake Manifold Bolts

M6 x 1.0
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Follow the manufacturer's specified tightening sequence.
2

Exhaust Manifold Bolts

M8 x 1.25
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Ensure proper alignment of the exhaust manifold to the cylinder head.

2.5l I5 Turbo Engine

Torque specifications for 2.5L-I5-TURBO Engine

Cylinder Head

1

Cylinder Head Bolts

M10 x 1.5
Torque Specification
1. 18 ft-lbs (25 N·m) 2. 90°
Important Notes
Follow the manufacturer's specified tightening sequence. Final torque is achieved by turning the bolts an additional 90 degrees.
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

M12 x 1.75
Torque Specification
59 ft-lbs (80 N·m)
Important Notes
Follow the manufacturer's specified tightening sequence.
2

Connecting Rod Nuts

M8 x 1.25
Torque Specification
29 ft-lbs (40 N·m)
Important Notes
Ensure proper alignment of the connecting rod caps.

Turbocharger System

1

Turbocharger Mounting Bolts

M10 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Ensure proper alignment of the turbocharger to the exhaust manifold.
2

Turbocharger Oil Feed Line Fittings

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure the oil feed line is properly aligned before tightening.

Intake And Exhaust

1

Intake Manifold Bolts

M6 x 1.0
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Follow the manufacturer's specified tightening sequence.
2

Exhaust Manifold Bolts

M8 x 1.25
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Ensure proper alignment of the exhaust manifold to the cylinder head.

Aw55 Transmission

Torque specifications for Aw55 Transmission

Transmission Mounting

1

Transmission Mounting Bolts

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

Transmission Bellhousing Bolts

M10 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Ensure the bellhousing is properly aligned with the engine block.

Oil Pan And Fluid Management

1

Transmission Oil Pan Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Avoid overtightening to prevent damage to the gasket.
2

Transmission Drain Plug

M14 x 1.5
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Ensure the plug is properly sealed to prevent leaks.
3

Transmission Fill Plug

M14 x 1.5
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Ensure the plug is properly sealed to prevent leaks.

Drive Axle And Shafts

1

Drive Axle/Half Shaft Bolts

M12 x 1.5
Torque Specification
118 ft-lbs (160 N·m)
Important Notes
Ensure the axle is properly seated before tightening.
2

CV Joint/Axle Nut

M24 x 1.5
Torque Specification
177 ft-lbs (240 N·m)
Important Notes
Ensure the CV joint is properly seated before tightening.
3

Propeller/Drive Shaft Bolts

M10 x 1.25
Torque Specification
74 ft-lbs (100 N·m)
Important Notes
Ensure the drive shaft is properly aligned before tightening.

Internal Components

1

Torque Converter Bolts

M8 x 1.25
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Ensure the torque converter is properly seated before tightening.
2

Transmission Valve Body Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Avoid overtightening to prevent damage to internal components.

External Components

1

Starter Motor Mounting Bolts

M8 x 1.25
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Ensure the starter motor is properly aligned before tightening.
2

Transmission Shift Linkage Bolts

M6 x 1.0
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Ensure the shift linkage is properly aligned before tightening.
3

Transmission Cooler Line Fittings

M12 x 1.5
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure the fittings are properly sealed to prevent leaks.

Body

Torque specifications for Body

Suspension System

1

Strut/Shock Absorber Mounting Bolts

M14 x 1.5
Torque Specification
59 ft-lbs (80 N·m)
2

Control Arm Bolts

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

Ball Joint Nut

M12 x 1.25
Torque Specification
37 ft-lbs (50 N·m)
4

Tie Rod End Nut

M12 x 1.25
Torque Specification
37 ft-lbs (50 N·m)
5

Sway Bar Link Nut

M12 x 1.25
Torque Specification
37 ft-lbs (50 N·m)

Steering System

1

Steering Gear/Rack Bolts

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

Body Mounting System

1

Body Mounting Bolts

M12 x 1.25
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Estimated value based on industry standards.

Door And Hood System

1

Door Hinge Bolts

M10 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Estimated value based on industry standards.
2

Hood Hinge Bolts

M10 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Estimated value based on industry standards.
3

Trunk Lid Hinge Bolts

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

Brakes

Torque specifications for Brakes

Brake Caliper and Mounting

1

Brake Caliper Bolts

M12 x 1.5
Torque Specification
59 ft-lbs (80 N·m)
2

Brake Caliper Mounting Bracket Bolts

M12 x 1.5
Torque Specification
59 ft-lbs (80 N·m)

Brake Disc/Drum and Wheel Hub

1

Brake Disc/Drum Retaining Bolts

M12 x 1.5
Torque Specification
59 ft-lbs (80 N·m)
2

Wheel Lug Nuts

M14 x 1.5
Torque Specification
80 ft-lbs (110 N·m)
Important Notes
Proper torque is critical to prevent brake rotor or drum damage.

Brake Master Cylinder and Booster

1

Brake Master Cylinder Mounting Bolts

M10 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Estimated value based on general industry standards.
2

Brake Booster Mounting Bolts

M10 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Estimated value based on general industry standards.

ABS Module and Brake Lines

1

ABS Module Mounting Bolts

M10 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Estimated value based on general industry standards.
2

Brake Line Fittings

M8 x 1.25
Torque Specification
12 ft-lbs (16 N·m)
Important Notes
Estimated value based on general industry standards.

Drivetrain

Torque specifications for Drivetrain

Engine Block and Crankshaft

1

Main Bearing Bolts

M14 x 1.5
Torque Specification
59 ft-lbs (80 N·m)
Important Notes
Proper torque ensures the bearings are properly seated and the crankshaft is aligned.
2

Crankshaft Pulley Bolt

M16 x 1.5
Torque Specification
74 ft-lbs (100 N·m)
Important Notes
Proper torque ensures the pulley is properly seated and the serpentine belt is properly aligned.

Cylinder Head and Valvetrain

1

Camshaft Sprocket Bolt

M12 x 1.25
Torque Specification
59 ft-lbs (80 N·m)
Important Notes
Proper torque ensures the sprocket is properly seated and the timing belt is properly aligned.
2

Timing Belt Tensioner Bolt

M10 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Proper torque ensures the tensioner is properly seated and the timing belt is properly aligned.

Transmission and Drivetrain

1

Transmission Mounting Bolts

M14 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Proper torque ensures the transmission is properly aligned and secured.
2

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 and the transmission is protected from oil leaks.
3

Drive Axle/Half Shaft Bolts

M16 x 1.5
Torque Specification
118 ft-lbs (160 N·m)
Important Notes
Proper torque ensures the axles are properly seated and the drivetrain is aligned.
4

CV Joint/Axle Nut

M20 x 1.5
Torque Specification
177 ft-lbs (240 N·m)
Important Notes
Proper torque ensures the CV joints are properly seated and the drivetrain is aligned.

Differential and Transfer Case

1

Differential Drain/Fill Plug

M12 x 1.25
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Proper torque ensures the plug is properly sealed and the differential is protected from oil leaks.
2

Transfer Case Drain/Fill Plug

M12 x 1.25
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Proper torque ensures the plug is properly sealed and the transfer case is protected from oil leaks.

Electrical

Torque specifications for Electrical

Alternator and Starter Motor Mounting

1

Alternator Mounting Bolts

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

Starter Motor Mounting Bolts

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

Battery and Electrical Connectors

1

Battery Terminal Nuts

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

Ignition Coil Bracket Bolts

M8 x 1.25
Torque Specification
1. 10 ft-lbs (14 N·m) 2. 12 ft-lbs (16 N·m)
Important Notes
Estimated torque values based on general industry guidelines.
3

Fuel Pump 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.
4

A/C Compressor 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.

Emissions Sensors

Torque specifications for Emissions_sensors

Exhaust Manifold And Headers

1

Exhaust Manifold/Headers to Cylinder Head Bolts

M10 x 1.5
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Proper torque ensures a secure connection and accurate readings.
2

Exhaust Pipe to Exhaust Manifold/Headers Bolts

M12 x 1.75
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Proper torque ensures a secure connection and accurate readings.

Oxygen Sensor

1

Oxygen Sensor Bolt

M8 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Estimated value. Proper torque ensures a secure connection and accurate readings.

Catalytic Converter

1

Catalytic Converter to Exhaust Pipe Bolts

M12 x 1.75
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Proper torque ensures a secure connection and optimal performance.

Fuel System

1

Fuel Injector Rail to Intake Manifold Bolts

M8 x 1.25
Torque Specification
12 ft-lbs (16 N·m)
Important Notes
Estimated value. Proper torque ensures a secure connection and optimal fuel flow.

Exhaust

Torque specifications for Exhaust

Exhaust Manifold and Headers

1

Exhaust Manifold/Headers to Engine Block Bolts

M12 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Secure connection to the engine block is critical for proper exhaust gas flow.
2

Exhaust Manifold/Headers to Cylinder Head Bolts

M10 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Proper torque ensures a secure connection and prevents exhaust leaks.

Exhaust Pipe and Components

1

Exhaust Pipe to Exhaust Manifold/Headers Bolts

M12 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Secure connection ensures a leak-free exhaust system.
2

Catalytic Converter to Exhaust Pipe Bolts

M12 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Proper torque ensures the catalytic converter functions correctly.
3

Muffler to Exhaust Pipe Bolts

M10 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Secure connection ensures proper exhaust gas flow.

Exhaust System Mounting and Support

1

Exhaust System Mounting Bracket Bolts

M14 x 1.75
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Estimated value. Proper torque ensures the exhaust system is properly supported and aligned.
2

Exhaust System Hanger Bolts

M12 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Estimated value. Proper torque ensures the exhaust system is properly supported and aligned.

Heat Shields and Accessories

1

Heat Shield Bolts

M8 x 1.25
Torque Specification
12 ft-lbs (16 N·m)
Important Notes
Estimated value. Proper torque ensures the heat shield is securely attached.

Oxygen Sensors

1

Oxygen Sensor Bolts

M10 x 1.25
Torque Specification
17 ft-lbs (23 N·m)
Important Notes
Estimated value. Proper torque ensures the oxygen sensor is securely attached and functions correctly.

Fuel

Torque specifications for Fuel

Fuel Rail and Injectors

1

Fuel Rail Bolts

M10 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Proper torque ensures a leak-free connection.
2

Fuel Injector Bolts

M8 x 1.25
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Proper torque ensures a leak-free connection.
3

Fuel Injector Rail Bolts

M10 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Proper torque ensures a leak-free connection.

Fuel Pump and Tank

1

Fuel Pump Mounting Bolts

M12 x 1.5
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Proper torque ensures a secure connection.
2

Fuel Tank Strap Bolts

M14 x 1.5
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Proper torque ensures a secure connection and prevents damage.

Fuel Filler and Filter

1

Fuel Filler Neck Bolts

M10 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Proper torque ensures a leak-free connection.
2

Fuel Filter Bolt/Nut

M12 x 1.5
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Proper torque ensures a secure connection and prevents contamination.

Fuel Pressure Regulator and Lines

1

Fuel Pressure Regulator Mounting Bolts

M10 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Estimated value. Proper torque ensures a secure connection.
2

Fuel Line Fittings

M12 x 1.5
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Estimated value. Proper torque ensures a leak-free connection.

Hvac

Torque specifications for Hvac

Air Conditioning Compressor

1

A/C Compressor Mounting Bolts

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

Air Conditioning Lines

1

A/C Line Fittings

M10 x 1.25
Torque Specification
18 ft-lbs (25 N·m)

Air Conditioning Condenser

1

A/C Condenser Mounting Bolts

M10 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Estimated value based on general industry standards. Actual value may vary depending on the specific application and manufacturer's recommendations.

Air Conditioning Evaporator

1

A/C Evaporator Mounting Bolts

M8 x 1.25
Torque Specification
12 ft-lbs (16 N·m)
Important Notes
Estimated value based on general industry standards. Actual value may vary depending on the specific application and manufacturer's recommendations.

Air Conditioning Refrigerant Lines

1

A/C Refrigerant Line Bracket Bolts

M8 x 1.25
Torque Specification
12 ft-lbs (16 N·m)
Important Notes
Estimated value based on general industry standards. Actual value may vary depending on the specific application and manufacturer's recommendations.

Suspension

Torque specifications for Suspension

Strut And Shock Absorber

1

Strut/Shock Absorber Mounting Bolts

M14 x 1.5
Torque Specification
59 ft-lbs (80 N·m)

Control Arm

1

Control Arm Bolts

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

Upper Control Arm Bushing Bolts

M12 x 1.25
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Estimated value based on industry standards.
3

Lower Control Arm Bolts

M14 x 1.5
Torque Specification
50 ft-lbs (68 N·m)
Important Notes
Estimated value based on industry standards.

Steering System

1

Steering Gear Mounting Bolts

M14 x 1.5
Torque Specification
50 ft-lbs (68 N·m)
Important Notes
Estimated value based on industry standards.
2

Tie Rod End Nut

M12 x 1.25
Torque Specification
37 ft-lbs (50 N·m)

Sway Bar

1

Sway Bar Link Nut

M12 x 1.25
Torque Specification
37 ft-lbs (50 N·m)

Ball Joint

1

Ball Joint Nut

M12 x 1.25
Torque Specification
37 ft-lbs (50 N·m)

Tf 80 Transmission

Torque specifications for Tf 80 Transmission

Transmission Mounting

1

Transmission Mounting Bolts

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

Transmission Oil System

1

Transmission Oil Pan Bolts

M10 x 1.25
Torque Specification
7 ft-lbs (10 N·m)
2

Transmission Drain and Fill Plugs

M14 x 1.5
Torque Specification
30 ft-lbs (40 N·m)
3

Transmission Fluid Drain/Fill Plug

M14 x 1.5
Torque Specification
30 ft-lbs (40 N·m)

Transmission Case

1

Transmission Case Bolts

M14 x 1.5
Torque Specification
59 ft-lbs (80 N·m)
Important Notes
Estimated value, consult manufacturer's instructions for specific torque specification.

Bellhousing and Crossmember

1

Bellhousing Bolts

M12 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Estimated value, consult manufacturer's instructions for specific torque specification.
2

Crossmember Bolts

M14 x 1.5
Torque Specification
59 ft-lbs (80 N·m)
Important Notes
Estimated value, consult manufacturer's instructions for specific torque specification.

Torque Converter

1

Torque Converter Bolts

M12 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Estimated value, consult manufacturer's instructions for specific torque specification.

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 torque specification for the lug nuts on a 2004-2012 Volvo v50?

108 N·m (80 ft·lb)

Q2

What are the steps for properly torquing lug nuts on a 2004-2012 Volvo v50?

1. Clean the lug nuts and threads on the wheel. 2. Apply a small amount of anti-seize compound to the threads. 3. Tighten the lug nuts to the specified torque using a torque wrench. 4. Star-tighten the lug nuts in a criss-cross pattern.

Q3

What are some common torque mistakes to avoid?

• Over-torquing can damage the threads on the bolt or nut. • Under-torquing can cause the bolt or nut to come loose.

Q4

What type of torque wrench should I use for my 2004-2012 Volvo v50?

It IS recommended to use a click-type torque wrench for accurate torque application.

Q5

Where can I find a torque specification chart for my 2004-2012 Volvo v50?

Refer to the vehicle's service manual or contact an authorized Volvo repair center for a complete torque specification chart.

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 v50.

  • 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 Bolt Torque Specifications

Technical procedure overview for engine bolt torque specifications on the 2004-2012 Volvo v50

  • Cylinder head bolts: 80 Nm + 90 degrees
  • Main bearing cap bolts: 110 Nm + 90 degrees
  • Connecting rod bolts: 50 Nm + 90 degrees
  • Timing chain tensioner bolts: 25 Nm
  • Intake manifold bolts: 25 Nm
  • Exhaust manifold bolts: 30 Nm
View full procedure

Suspension Bolt Torque Specifications

Technical procedure overview for suspension bolt torque specifications on the 2004-2012 Volvo v50

  • Front lower control arm bolts: 100 Nm
  • Front upper control arm bolts: 65 Nm
  • Rear lower control arm bolts: 120 Nm
  • Rear upper control arm bolts: 80 Nm
  • Strut bolts: 55 Nm
  • Sway bar link bolts: 30 Nm
View full procedure

Brake System Bolt Torque Specifications

Technical procedure overview for brake system bolt torque specifications on the 2004-2012 Volvo v50

  • Caliper bolts: 110 Nm
  • Rotor bolts: 30 Nm
  • Master cylinder bolts: 25 Nm
  • Brake line fittings: 10 Nm
View full procedure
Technical Service Bulletins

Updated Engine Bolt Torque Specifications for 2008-2012 v50

2011-06-15

This bulletin updates the engine bolt torque specifications for 2008-2012 v50 models. The updated specifications are as follows: Cylinder head bolts: 90 Nm + 90 degrees, Main bearing cap bolts: 120 Nm + 90 degrees.

2008-2012 v50

Resolution: Follow the updated torque specifications when performing engine service on 2008-2012 v50 models.

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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

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