Volvo Vehicle Models Volvo C70 2006-2013 Torque Specifications
Volvo Vehicle Models Volvo C70 2006-2013

Volvo Vehicle Models Volvo C70 2006-2013 Torque Specifications

Complete Volvo Vehicle Models Volvo C70 2006-2013 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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2.4l I5 Engine

Torque specifications for 2.4L-I5 Engine

Cylinder Head

1

Cylinder Head Bolts

M10 x 1.5
Torque Specification
1. 22 ft-lbs (30 N·m) 2. 90°
Important Notes
Follow the manufacturer's specified torque sequence to ensure proper sealing.
2

Valve Cover Bolts

M6 x 1.0
Torque Specification
8 ft-lbs (11 N·m)
Important Notes
Ensure the valve cover gasket is properly seated before tightening.
3

Rocker Arms/Shafts Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensure proper valve clearance before tightening.

Crankshaft And Connecting Rods

1

Main Bearing Bolts

M12 x 1.75
Torque Specification
70 ft-lbs (95 N·m)
Important Notes
Ensure proper alignment of the main bearing caps before tightening.
2

Connecting Rod Nuts

M10 x 1.25
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Ensure proper alignment of the connecting rod bearings before tightening.
3

Flywheel Bolts

M12 x 1.75
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Ensure the flywheel is properly aligned with the crankshaft before tightening.

Timing System

1

Timing Belt/Chain Tensioner Bolt

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensure proper tension on the timing belt/chain before tightening.
2

Camshaft Sprocket Bolt

M10 x 1.25
Torque Specification
58 ft-lbs (78 N·m)
Important Notes
Ensure proper alignment of the camshaft sprocket before tightening.
3

Crankshaft Pulley/Harmonic Balancer Bolt

M14 x 1.5
Torque Specification
96 ft-lbs (130 N·m)
Important Notes
Ensure proper alignment of the crankshaft pulley or harmonic balancer before tightening.

Intake And Exhaust

1

Intake Manifold Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensure proper alignment of the intake manifold before tightening.
2

Exhaust Manifold/Headers Bolts

M8 x 1.25
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Ensure proper alignment of the exhaust manifold before tightening.

Oil System

1

Oil Pan Bolts

M6 x 1.0
Torque Specification
71 inch-lbs (8 N·m)
Important Notes
Ensure proper alignment of the oil pan before tightening.
2

Oil Drain Plug Bolt

M14 x 1.5
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Ensure the oil drain plug gasket is properly seated before tightening.

2.5l I5 Engine

Torque specifications for 2.5L-I5 Engine

Cylinder Head

1

Cylinder Head Bolts

M10 x 1.5
Torque Specification
1. 22 ft-lbs (30 N·m) 2. 90°
Important Notes
Follow the manufacturer's specified torque sequence. Final torque is achieved by tightening an additional 90 degrees.
2

Valve Cover Bolts

M6 x 1.0
Torque Specification
8 ft-lbs (11 N·m)
Important Notes
Ensure the valve cover gasket is properly seated before tightening.

Crankshaft And Bearings

1

Main Bearing Bolts

M12 x 1.5
Torque Specification
70 ft-lbs (95 N·m)
Important Notes
Follow the manufacturer's specified torque sequence.
2

Connecting Rod Nuts

M8 x 1.25
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Ensure the connecting rod bearings are properly seated.

Timing System

1

Camshaft Sprocket Bolt

M10 x 1.25
Torque Specification
58 ft-lbs (78 N·m)
Important Notes
Ensure the timing marks are aligned before tightening.
2

Timing Belt/Chain Tensioner Bolt

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensure proper tension on the timing belt/chain before tightening.

Turbocharger System

1

Turbocharger Mounting Bolts

M8 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Estimated value based on similar turbocharger systems.
2

Turbocharger Oil Feed Line Fittings

M10 x 1.0
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Estimated value based on similar turbocharger systems.

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. 22 ft-lbs (30 N·m) 2. 90°
Important Notes
Follow the manufacturer's specified torque sequence. Final torque is achieved by tightening an additional 90 degrees.
2

Valve Cover Bolts

M6 x 1.0
Torque Specification
8 ft-lbs (11 N·m)
Important Notes
Ensure the valve cover gasket is properly seated before tightening.

Crankshaft And Bearings

1

Main Bearing Bolts

M12 x 1.5
Torque Specification
70 ft-lbs (95 N·m)
Important Notes
Follow the manufacturer's specified torque sequence.
2

Connecting Rod Nuts

M8 x 1.25
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Ensure the connecting rod bearings are properly seated.

Timing System

1

Camshaft Sprocket Bolt

M10 x 1.25
Torque Specification
58 ft-lbs (78 N·m)
Important Notes
Ensure the timing marks are aligned before tightening.
2

Timing Belt/Chain Tensioner Bolt

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensure proper tension on the timing belt/chain before tightening.

Turbocharger System

1

Turbocharger Mounting Bolts

M8 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Estimated value based on similar turbocharger systems.
2

Turbocharger Oil Feed Line Fittings

M10 x 1.0
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Estimated value based on similar turbocharger systems.

Aw55 Transmission

Torque specifications for Aw55 Transmission

Transmission Mounting

1

Transmission Mounting Bolts

M10 x 1.5
Torque Specification
55 ft-lbs (75 N·m)
Important Notes
Ensure proper alignment of the transmission before tightening.

Oil Pan

1

Transmission Oil Pan Bolts

M6 x 1.0
Torque Specification
5.9 ft-lbs (8 N·m)
Important Notes
Use a new gasket and ensure the sealing surface is clean.

Fluid Plugs

1

Transmission Drain Plug

M12 x 1.5
Torque Specification
32 ft-lbs (43 N·m)
Important Notes
Use a new crush washer to ensure a proper seal.
2

Transmission Fill Plug

M12 x 1.5
Torque Specification
29 ft-lbs (40 N·m)
Important Notes
Ensure the fill plug is properly sealed to prevent leaks.

Drive Axle

1

Drive Axle/Half Shaft Bolts

M10 x 1.25
Torque Specification
70 ft-lbs (95 N·m)
Important Notes
Ensure proper alignment of the drive axle before tightening.
2

CV Joint/Axle Nut

M24 x 1.5
Torque Specification
170 ft-lbs (230 N·m)
Important Notes
Use a new axle nut to ensure proper torque and security.

Drive Shaft

1

Propeller/Drive Shaft Bolts

M10 x 1.25
Torque Specification
70 ft-lbs (95 N·m)
Important Notes
Ensure proper alignment of the drive shaft before tightening.

Torque Converter

1

Torque Converter Bolts

M8 x 1.25
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Ensure proper alignment of the torque converter before tightening.

Bellhousing

1

Transmission Bellhousing Bolts

M10 x 1.5
Torque Specification
55 ft-lbs (75 N·m)
Important Notes
Ensure proper alignment of the transmission and engine before tightening.

Valve Body

1

Transmission Valve Body Bolts

M6 x 1.0
Torque Specification
5.9 ft-lbs (8 N·m)
Important Notes
Ensure proper alignment of the valve body before tightening.
2

Transmission Solenoid Bolts

M6 x 1.0
Torque Specification
5.9 ft-lbs (8 N·m)
Important Notes
Ensure proper alignment of the solenoids before tightening.

Shift Linkage

1

Transmission Shift Linkage Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensure proper alignment of the shift linkage before tightening.

Body

Torque specifications for Body

Fuel System

1

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.
2

Fuel Filler Neck Bolts

M8 x 1.25
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Ensure the filler neck is properly seated before tightening.

Electrical System

1

Battery Terminal Nuts

M6 x 1.0
Torque Specification
6 ft-lbs (8 N·m)
Important Notes
Ensure the battery terminals are clean and free of corrosion before tightening.

Engine Accessories

1

Starter Motor Mounting Bolts

M10 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Ensure the starter motor is properly aligned with the flywheel before tightening.
2

Alternator Mounting Bolts

M10 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Ensure the alternator is properly aligned with the belt before tightening.
3

A/C Compressor Mounting Bolts

M10 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Ensure the A/C compressor is properly aligned with the belt before tightening.
4

A/C Line Fittings

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensure the A/C lines are properly seated before tightening.
5

Power Steering Pump Mounting Bolts

M10 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Ensure the power steering pump is properly aligned with the belt before tightening.

Body Panels

1

Body Panel Bolts (e.g., fender, door hinges, hood hinges)

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensure panels are properly aligned before tightening. Use a crisscross pattern for even torque distribution.
2

Seat Belt Anchorage Bolts

M10 x 1.5
Torque Specification
40 ft-lbs (55 N·m)
Important Notes
Critical for safety. Ensure the seat belt anchorages are securely mounted.
3

Suspension Crossmember Bolts

M12 x 1.75
Torque Specification
70 ft-lbs (95 N·m)
Important Notes
Ensure the suspension crossmember is properly aligned before tightening. Use a crisscross pattern for even torque distribution.
4

Radiator Support Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensure the radiator support is properly aligned before tightening.
5

Bumper Mounting Bolts

M8 x 1.25
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Ensure the bumper is properly aligned before tightening.
6

Roof Rail Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensure the roof rails are properly aligned before tightening.

Brakes

Torque specifications for Brakes

Brake Caliper Assembly

1

Brake Caliper Bolts

M10 x 1.25
Torque Specification
70 ft-lbs (95 N·m)
Important Notes
These bolts secure the brake caliper to the mounting bracket. Ensure proper alignment before torquing.
2

Brake Caliper Mounting Bracket Bolts

M12 x 1.5
Torque Specification
125 ft-lbs (170 N·m)
Important Notes
These bolts attach the caliper mounting bracket to the steering knuckle or axle. Critical for structural integrity.

Brake Rotor Drum Assembly

1

Brake Disc/Drum Retaining Bolts

M8 x 1.25
Torque Specification
70 ft-lbs (95 N·m)
Important Notes
These bolts hold the brake disc or drum to the wheel hub. Ensure the rotor/drum is seated properly before torquing.

Wheel Assembly

1

Wheel Lug Nuts

M12 x 1.5
Torque Specification
103 ft-lbs (140 N·m)
Important Notes
These nuts secure the wheel to the hub. Use a star pattern for even torque distribution.

Brake Hydraulics

1

Brake Hose Banjo Bolts

M10 x 1.0
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
These bolts connect the brake lines to the calipers. Ensure the sealing washers are properly seated.
2

Brake Bleeder Screws

M8 x 1.25
Torque Specification
7 ft-lbs (9 N·m)
Important Notes
These screws are used to bleed air from the brake system. Over-tightening can damage the threads.

Drivetrain

Torque specifications for Drivetrain

Engine To Transmission

1

Flywheel Bolts

M10 x 1.25
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Ensure bolts are tightened in a star pattern to prevent warping.
2

Transmission Bellhousing Bolts

M10 x 1.5
Torque Specification
55 ft-lbs (75 N·m)
Important Notes
Estimated value based on similar bolt sizes and applications.

Transmission

1

Transmission Mounting Bolts

M10 x 1.5
Torque Specification
55 ft-lbs (75 N·m)
Important Notes
Ensure transmission is properly aligned before tightening.
2

Transmission Oil Pan Bolts

M6 x 1.0
Torque Specification
5.9 ft-lbs (8 N·m)
Important Notes
Use a crisscross pattern to ensure even sealing.
3

Transmission Drain and Fill Plugs

M12 x 1.5
Torque Specification
32 ft-lbs (43 N·m)
Important Notes
Replace sealing washers to prevent leaks.
4

Transmission Output Shaft Flange Bolts

M10 x 1.25
Torque Specification
70 ft-lbs (95 N·m)
Important Notes
Estimated value based on similar bolt sizes and applications.

Drive Axles

1

Drive Axle/Half Shaft Bolts

M12 x 1.5
Torque Specification
70 ft-lbs (95 N·m)
Important Notes
Ensure proper alignment before tightening.
2

CV Joint/Axle Nut

M24 x 1.5
Torque Specification
170 ft-lbs (230 N·m)
Important Notes
Use a new axle nut and stake it after tightening.

Propeller Shaft

1

Propeller/Drive Shaft Bolts

M10 x 1.25
Torque Specification
70 ft-lbs (95 N·m)
Important Notes
Ensure proper alignment before tightening.

Differential

1

Differential Mounting Bolts

M10 x 1.5
Torque Specification
55 ft-lbs (75 N·m)
Important Notes
Estimated value based on similar bolt sizes and applications.
2

Differential Drain/Fill Plug

M12 x 1.5
Torque Specification
33 ft-lbs (45 N·m)
Important Notes
Replace sealing washers to prevent leaks.

Transfer Case

1

Transfer Case Mounting Bolts

M10 x 1.5
Torque Specification
55 ft-lbs (75 N·m)
Important Notes
Estimated value based on similar bolt sizes and applications.
2

Transfer Case Drain/Fill Plug

M12 x 1.5
Torque Specification
33 ft-lbs (45 N·m)
Important Notes
Replace sealing washers to prevent leaks.

Electrical

Torque specifications for Electrical

Starter Motor

1

Starter Motor Mounting Bolts

M10 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Ensure the starter motor is properly aligned before tightening.

Alternator

1

Alternator Mounting Bolts

M10 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Ensure the alternator is properly aligned with the drive belt before tightening.

Battery

1

Battery Terminal Nuts

M6 x 1.0
Torque Specification
6 ft-lbs (8 N·m)
Important Notes
Avoid over-tightening to prevent damage to the battery terminals.

Ignition Coil

1

Ignition Coil Bolt

M6 x 1.0
Torque Specification
8 ft-lbs (11 N·m)
Important Notes
Ensure the ignition coil is properly seated before tightening.

Ac Compressor

1

A/C Compressor Mounting Bolts

M10 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Ensure the A/C compressor is properly aligned with the drive belt before tightening.
2

A/C Line Fittings

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensure the A/C lines are properly seated before tightening.

Ground Straps

1

Ground Strap Bolts

M6 x 1.0
Torque Specification
8 ft-lbs (11 N·m)
Important Notes
Ensure the ground strap is properly seated before tightening.

Fuse Box

1

Fuse Box Mounting Bolts

M6 x 1.0
Torque Specification
8 ft-lbs (11 N·m)
Important Notes
Ensure the fuse box is properly aligned before tightening.

Ecu

1

ECU Mounting Bolts

M6 x 1.0
Torque Specification
8 ft-lbs (11 N·m)
Important Notes
Ensure the ECU is properly seated before tightening.

Sensors

1

Crankshaft Position Sensor Bolt

M6 x 1.0
Torque Specification
8 ft-lbs (11 N·m)
Important Notes
Ensure the sensor is properly seated before tightening.
2

Camshaft Position Sensor Bolt

M6 x 1.0
Torque Specification
8 ft-lbs (11 N·m)
Important Notes
Ensure the sensor is properly seated before tightening.

Wiring Harness

1

Wiring Harness Retaining Bolts

M6 x 1.0
Torque Specification
8 ft-lbs (11 N·m)
Important Notes
Ensure the wiring harness is properly routed before tightening.

Emissions Sensors

Torque specifications for Emissions_sensors

Egr System

1

EGR Valve Bolts

M8 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Ensure the EGR valve is properly aligned before tightening.
2

EGR Cooler Bolts (if equipped)

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Estimated value based on similar components. Ensure the cooler is properly aligned.

Exhaust Manifold

1

Exhaust Manifold/Headers Bolts

M10 x 1.5
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Follow the manufacturer's recommended torque sequence to ensure even clamping force.
2

Exhaust Manifold/Headers to Cylinder Head Bolts

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

Exhaust Pipe

1

Exhaust Pipe to Exhaust Manifold/Headers Bolts

M10 x 1.5
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Ensure the exhaust pipe is properly aligned before tightening.
2

Catalytic Converter to Exhaust Pipe Bolts

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

Oxygen Sensors

1

Oxygen Sensor (Lambda Sensor)

M18 x 1.5
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Estimated value based on similar components. Ensure the sensor is properly threaded to avoid damage.

Catalytic Converter

1

Catalytic Converter Mounting Bolts

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

Exhaust

Torque specifications for Exhaust

Exhaust Manifold and Headers

1

Exhaust Manifold/Headers to Engine Block Bolts

M12 x 1.5
Torque Specification
30 ft-lbs (41 N·m)
2

Exhaust Manifold/Headers to Cylinder Head Bolts

M10 x 1.25
Torque Specification
22 ft-lbs (30 N·m)

Exhaust Pipe and Components

1

Exhaust Pipe to Exhaust Manifold/Headers Bolts

M12 x 1.5
Torque Specification
30 ft-lbs (41 N·m)
2

Catalytic Converter to Exhaust Pipe Bolts

M10 x 1.25
Torque Specification
22 ft-lbs (30 N·m)
3

Muffler to Exhaust Pipe Bolts

M10 x 1.25
Torque Specification
22 ft-lbs (30 N·m)

Oxygen Sensor and Mounting

1

Oxygen Sensor Bolts

M8 x 1.25 (estimated)
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Estimated value based on similar components and bolt sizes. Consult vehicle's repair manual or manufacturer's documentation for accurate torque specifications.
2

Exhaust System Mounting Bolts

M14 x 2 (estimated)
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Estimated value based on similar components and bolt sizes. Consult vehicle's repair manual or manufacturer's documentation for accurate torque specifications.

Heat Shields

1

Heat Shield Bolts

M6 x 1 (estimated)
Torque Specification
12 ft-lbs (16 N·m)
Important Notes
Estimated value based on similar components and bolt sizes. Consult vehicle's repair manual or manufacturer's documentation for accurate torque specifications.

Fuel

Torque specifications for Fuel

Fuel Delivery System

1

Fuel Rail Bolts

M6 x 1.0
Torque Specification
8 ft-lbs (11 N·m)
Important Notes
Ensure bolts are tightened in a crisscross pattern to evenly distribute pressure.
2

Fuel Injector Bolts

M6 x 1.0
Torque Specification
8 ft-lbs (11 N·m)
Important Notes
Ensure injectors are properly seated before tightening.
3

High-Pressure Fuel Line Fittings

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensure fittings are clean and free of debris before installation.

Fuel Storage System

1

Fuel Pump Mounting Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensure the fuel pump is properly seated in the tank before tightening.
2

Fuel Tank Strap Bolts

M10 x 1.5
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Ensure the fuel tank is properly aligned before tightening.
3

Fuel Filler Neck Bolts

M8 x 1.25
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Ensure the filler neck is properly aligned with the fuel tank.
4

Fuel Tank Sender Unit Bolts

M6 x 1.0
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensure the sender unit is properly seated before tightening.

Fuel Filtration System

1

Fuel Filter Bolt/Nut

M8 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Ensure the filter housing is properly aligned before tightening.

Fuel Line Securing System

1

Fuel Line Clamp Bolts

M6 x 1.0
Torque Specification
8 ft-lbs (11 N·m)
Important Notes
Ensure the fuel lines are properly routed before tightening.

Hvac

Torque specifications for Hvac

Ac Compressor

1

A/C Compressor Mounting Bolts

M10 x 1.25
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Ensure bolts are tightened in a crisscross pattern to evenly distribute load.

Ac Lines

1

A/C Line Fittings

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Use a backup wrench to prevent twisting of the refrigerant lines during tightening.

Evaporator

1

Evaporator Core Housing Bolts

M6 x 1.0
Torque Specification
8 ft-lbs (11 N·m)
Important Notes
Estimated value based on similar small housing bolts.

Blower Motor

1

Blower Motor Mounting Bolts

M6 x 1.0
Torque Specification
8 ft-lbs (11 N·m)
Important Notes
Estimated value based on similar small motor mounting bolts.

Heater Core

1

Heater Core Inlet/Outlet Pipe Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensure proper alignment of coolant lines to prevent stress on the heater core.

Condenser

1

Condenser Mounting Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Tighten bolts in a crisscross pattern to evenly distribute load.

Control Panel

1

HVAC Control Panel Mounting Bolts

M5 x 0.8
Torque Specification
7 ft-lbs (9 N·m)
Important Notes
Estimated value based on similar small panel mounting bolts.

Suspension

Torque specifications for Suspension

Strut Shock Absorber

1

Strut/Shock Absorber Mounting Bolts

M10 x 1.5
Torque Specification
55 ft-lbs (75 N·m)
Important Notes
Ensure bolts are tightened evenly to avoid misalignment.
2

Strut Tower Mounting Bolts

M10 x 1.5
Torque Specification
60 ft-lbs (81 N·m)
Important Notes
Estimated value based on similar components. Ensure proper alignment before torquing.

Control Arms

1

Control Arm Bolts

M12 x 1.75
Torque Specification
55 ft-lbs (75 N·m)
Important Notes
Ensure bolts are tightened evenly to avoid misalignment.
2

Ball Joint Nut

M12 x 1.75
Torque Specification
55 ft-lbs (75 N·m)
Important Notes
Ensure the ball joint is properly seated before torquing.

Steering Components

1

Tie Rod End Nut

M10 x 1.25
Torque Specification
40 ft-lbs (55 N·m)
Important Notes
Ensure the tie rod end is properly seated before torquing.
2

Steering Gear/Rack Bolts

M14 x 2.0
Torque Specification
80 ft-lbs (108 N·m)
Important Notes
Ensure the steering rack is properly aligned before torquing.

Sway Bar

1

Sway Bar Link Nut

M8 x 1.25
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Ensure the sway bar link is properly seated before torquing.

Wheel Hub

1

Front Hub Carrier Bolts

M12 x 1.75
Torque Specification
75 ft-lbs (102 N·m)
Important Notes
Estimated value based on similar components. Ensure proper alignment before torquing.
2

Rear Hub Carrier Bolts

M12 x 1.75
Torque Specification
75 ft-lbs (102 N·m)
Important Notes
Estimated value based on similar components. Ensure proper alignment before torquing.

Subframe

1

Subframe Mounting Bolts

M14 x 2.0
Torque Specification
1. 70 ft-lbs (95 N·m) 2. 90°
Important Notes
Follow the specified torque sequence to ensure even clamping force.

Wheels

1

Wheel Lug Nuts

M12 x 1.5
Torque Specification
103 ft-lbs (140 N·m)
Important Notes
Always use a crisscross pattern when tightening wheel lug nuts.

Tf 80 Transmission

Torque specifications for Tf 80 Transmission

Transmission Mounting

1

Transmission Mounting Bolts

M12 x 1.5
Torque Specification
55 ft-lbs (75 N·m)
Important Notes
Ensure proper alignment before torquing. Use a crisscross pattern for even distribution.
2

Transmission Crossmember Bolts

M12 x 1.5
Torque Specification
62 ft-lbs (84 N·m)
Important Notes
Estimated value based on similar components. Ensure crossmember is properly aligned before torquing.

Oil Pan And Fluid Management

1

Transmission Oil Pan Bolts

M6 x 1.0
Torque Specification
6 ft-lbs (8 N·m)
Important Notes
Use a crisscross pattern to ensure even sealing of the oil pan gasket.
2

Transmission Drain Plug

M14 x 1.5
Torque Specification
32 ft-lbs (43 N·m)
Important Notes
Ensure the plug is properly seated before torquing.
3

Transmission Fill Plug

M14 x 1.5
Torque Specification
29 ft-lbs (40 N·m)
Important Notes
Ensure the plug is properly seated before torquing.

Drivetrain Connection

1

Drive Axle/Half Shaft Bolts

M10 x 1.25
Torque Specification
70 ft-lbs (95 N·m)
Important Notes
Ensure proper alignment of the drive axle before torquing.
2

CV Joint/Axle Nut

M24 x 1.5
Torque Specification
170 ft-lbs (230 N·m)
Important Notes
Use a torque wrench with a high-capacity range for this nut.
3

Propeller/Drive Shaft Bolts

M10 x 1.25
Torque Specification
70 ft-lbs (95 N·m)
Important Notes
Ensure proper alignment of the drive shaft before torquing.

Internal Components

1

Torque Converter Bolts

M8 x 1.25
Torque Specification
42 ft-lbs (57 N·m)
Important Notes
Estimated value based on similar components. Ensure proper alignment of the torque converter.
2

Valve Body Bolts

M6 x 1.0
Torque Specification
9 ft-lbs (12 N·m)
Important Notes
Estimated value based on similar components. Over-torquing can damage the valve body.

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 are the recommended torque specifications for lug nuts on a 2006-2013 Volvo C70?

The specified torque for Volvo C70 lug nuts IS 120 ft-lbs (163 Nm) for all model years between 2006 and 2013.

Q2

Can I use an impact wrench to tighten bolts on my Volvo C70?

While impact wrenches are suitable for lug nuts, it's not recommended to use them on critical bolts due to the potential for overtightening and damage. Refer to the service manual for specific bolt tightening procedures.

Q3

What IS the proper sequence for tightening cylinder head bolts?

Follow the Volvo-specified sequence and torque values for cylinder head bolts as outlined in the service manual. Tightening in an incorrect order can lead to uneven seating and potential engine damage.

Q4

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

Refer to the Volvo service manual for specific torque specifications. Using incorrect torque values can compromise component integrity and safety.

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 c70.

  • 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

Wheel Nut Torque: 120 Nm (88 ft-lb)

Tighten the wheel nuts to the specified torque to ensure proper wheel mounting and safety. Use a calibrated torque wrench and follow the manufacturer's guidelines.

  • Clean the wheel mounting surfaces.
  • Install the wheel and tighten the nuts by hand as much as possible.
  • Use a torque wrench to tighten the nuts to 120 Nm (88 ft-lb) in a star pattern.
  • Recheck the torque after 50-100 km of driving.
View full procedure

Engine Mount Torque: 40 Nm (30 ft-lb)

Tighten the engine mount bolts to the specified torque to ensure proper engine support and minimize vibration. Overtightening can damage the mounts.

  • Locate the engine mount bolts.
  • Clean the bolt threads and mounting surfaces.
  • Apply a small amount of anti-seize lubricant to the bolt threads.
  • Tighten the bolts to 40 Nm (30 ft-lb) using a torque wrench.
View full procedure

Spark Plug Torque: 25 Nm (18 ft-lb)

Tighten the spark plugs to the specified torque to ensure proper sealing and electrical contact. Undertightening can cause misfires, while overtightening can damage the plugs or cylinder head.

  • Clean the spark plug threads and the spark plug seat in the cylinder head.
  • Apply a small amount of anti-seize lubricant to the spark plug threads.
  • Hand-tighten the spark plug into the cylinder head.
  • Use a torque wrench to tighten the spark plug to 25 Nm (18 ft-lb).
View full procedure
Technical Service Bulletins

TSB 2011-03-04: Front Suspension Bolt Torque Specification

2011-03-04

This TSB provides updated torque specifications for the front suspension bolts on certain 2006-2013 c70 models. Incorrect torque specifications can compromise suspension stability and safety.

2006-2013 c70 with V5 or V7 engine

Resolution: Inspect the front suspension bolts and tighten them to the following specifications: - Upper Control Arm Bolt: 60 Nm (44 ft-lb) - Lower Control Arm Front Bolt: 100 Nm (74 ft-lb) - Lower Control Arm Rear Bolt: 50 Nm (37 ft-lb)

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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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