Volvo Vehicle Models Volvo XC90 2002-2014 Torque Specifications
Volvo Vehicle Models Volvo XC90 2002-2014

Volvo Vehicle Models Volvo XC90 2002-2014 Torque Specifications

Complete Volvo Vehicle Models Volvo XC90 2002-2014 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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Torque Calculator

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2.5l I5 Engine

Torque specifications for 2.5L-I5 Engine

Engine Block And Cylinder Head

1

Cylinder Head Bolts

M12 x 1.5
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Follow manufacturer-recommended sequence for tightening.
2

Main Bearing Bolts

M12 x 1.5
Torque Specification
55 ft-lbs (75 N·m)
Important Notes
Ensure crankshaft is properly aligned before tightening.

Crankshaft And Connecting Rods

1

Connecting Rod Nuts

M10 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure connecting rods are properly seated on the crankshaft.
2

Flywheel Bolts

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

Oil And Cooling System

1

Oil Pan Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Ensure oil pan gasket is properly seated.
2

Oil Drain Plug Bolt

M12 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Replace crush washer if present.

Turbocharger And Exhaust System

1

Turbocharger Mounting Bolts

M10 x 1.25
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Estimated value based on similar turbocharger systems.
2

Turbocharger Oil and Coolant Line Fittings

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

2.5l I5 Turbo Engine

Torque specifications for 2.5L-I5-TURBO Engine

Engine Block And Cylinder Head

1

Cylinder Head Bolts

M12 x 1.5
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Follow manufacturer-recommended sequence for tightening.
2

Main Bearing Bolts

M12 x 1.5
Torque Specification
55 ft-lbs (75 N·m)
Important Notes
Ensure crankshaft is properly aligned before tightening.

Crankshaft And Connecting Rods

1

Connecting Rod Nuts

M10 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure connecting rods are properly seated on the crankshaft.
2

Flywheel Bolts

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

Oil And Cooling System

1

Oil Pan Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Ensure oil pan gasket is properly seated.
2

Oil Drain Plug Bolt

M12 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Replace crush washer if present.

Turbocharger And Exhaust System

1

Turbocharger Mounting Bolts

M10 x 1.25
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Estimated value based on similar turbocharger systems.
2

Turbocharger Oil and Coolant Line Fittings

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

2.9l I6 Twin Engine

Torque specifications for 2.9L-I6-TWIN Engine

Cylinder Head

1

Cylinder Head Bolts

M12 x 1.5
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Follow the specified torque sequence to ensure even compression and sealing.

Crankshaft Assembly

1

Main Bearing Bolts

M10 x 1.25
Torque Specification
55 ft-lbs (75 N·m)
Important Notes
Ensure proper alignment of the crankshaft during assembly.
2

Flywheel Bolts

M12 x 1.25
Torque Specification
59 ft-lbs (80 N·m)
Important Notes
Use thread locker to prevent loosening.

Valvetrain

1

Rocker Arms/Shafts Bolts

M8 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Ensure proper alignment of rocker arms during assembly.

Fuel System

1

Fuel Rail Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Ensure proper sealing of the fuel rail to prevent leaks.

Cooling System

1

Water Pump Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Ensure proper alignment of the water pump during assembly.

2.9l I6 Twin Turbo Engine

Torque specifications for 2.9L-I6-TWIN-TURBO Engine

Cylinder Head

1

Cylinder Head Bolts

M12 x 1.5
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Follow the specified torque sequence to ensure even compression and sealing.

Crankshaft Assembly

1

Main Bearing Bolts

M10 x 1.25
Torque Specification
55 ft-lbs (75 N·m)
Important Notes
Ensure proper alignment of the crankshaft during assembly.
2

Flywheel Bolts

M12 x 1.25
Torque Specification
59 ft-lbs (80 N·m)
Important Notes
Use thread locker to prevent loosening.

Valvetrain

1

Rocker Arms/Shafts Bolts

M8 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Ensure proper alignment of rocker arms during assembly.

Fuel System

1

Fuel Rail Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Ensure proper sealing of the fuel rail to prevent leaks.

Cooling System

1

Water Pump Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Ensure proper alignment of the water pump during assembly.

3.2l I6 Engine

Torque specifications for 3.2L-I6 Engine

Cylinder Head

1

Cylinder Head Bolts

M10 x 1.5
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Ensure proper sequence is followed to prevent warping.

Crankshaft Assembly

1

Main Bearing Bolts

M12 x 1.75
Torque Specification
55 ft-lbs (75 N·m)
Important Notes
Ensure proper sequence is followed to maintain crankshaft alignment.
2

Connecting Rod Nuts

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Double-check torque to prevent piston misalignment.
3

Flywheel Bolts

M12 x 1.75
Torque Specification
59 ft-lbs (80 N·m)
Important Notes
Use a flywheel lock tool to prevent rotation during tightening.

Engine External Components

1

Oil Pan Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Tighten evenly to prevent oil pan distortion.
2

Valve Cover Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Tighten evenly to prevent valve cover warping.

Timing System

1

Timing Belt/Chain Tensioner Bolt

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure proper tensioner alignment before tightening.
2

Camshaft Sprocket Bolt

M12 x 1.75
Torque Specification
59 ft-lbs (80 N·m)
Important Notes
Use a camshaft locking tool to prevent rotation during tightening.

4.4l Engine

Torque specifications for 4.4L Engine

Cylinder Head

1

Cylinder Head Bolts

M10 x 1.25
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Ensure to follow the manufacturer's specified torque sequence to avoid warping the cylinder head.

Crankshaft

1

Main Bearing Bolts

M12 x 1.5
Torque Specification
55 ft-lbs (75 N·m)
Important Notes
Ensure the crankshaft is properly aligned before tightening the main bearing bolts.
2

Connecting Rod Nuts

M8 x 1.0
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure the connecting rods are properly seated on the crankshaft before tightening.
3

Flywheel Bolts

M12 x 1.25
Torque Specification
59 ft-lbs (80 N·m)
Important Notes
Ensure the flywheel is properly aligned before tightening the bolts.

Valve Train

1

Camshaft Sprocket Bolt

M10 x 1.25
Torque Specification
59 ft-lbs (80 N·m)
Important Notes
Ensure the camshaft is properly timed before tightening the bolt.
2

Rocker Arms/Shafts Bolts

M6 x 1.0
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Ensure the rocker arms are properly aligned before tightening the bolts.

Intake Exhaust

1

Intake Manifold Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure the intake manifold is properly seated before tightening the bolts.
2

Exhaust Manifold/Headers Bolts

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

4.4l V8 Engine

Torque specifications for 4.4L-V8 Engine

Cylinder Head

1

Cylinder Head Bolts

M10 x 1.25
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Ensure to follow the manufacturer's specified torque sequence to avoid warping the cylinder head.

Crankshaft

1

Main Bearing Bolts

M12 x 1.5
Torque Specification
55 ft-lbs (75 N·m)
Important Notes
Ensure the crankshaft is properly aligned before tightening the main bearing bolts.
2

Connecting Rod Nuts

M8 x 1.0
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure the connecting rods are properly seated on the crankshaft before tightening.
3

Flywheel Bolts

M12 x 1.25
Torque Specification
59 ft-lbs (80 N·m)
Important Notes
Ensure the flywheel is properly aligned before tightening the bolts.

Valve Train

1

Camshaft Sprocket Bolt

M10 x 1.25
Torque Specification
59 ft-lbs (80 N·m)
Important Notes
Ensure the camshaft is properly timed before tightening the bolt.
2

Rocker Arms/Shafts Bolts

M6 x 1.0
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Ensure the rocker arms are properly aligned before tightening the bolts.

Intake Exhaust

1

Intake Manifold Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure the intake manifold is properly seated before tightening the bolts.
2

Exhaust Manifold/Headers Bolts

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

Aw55 Transmission

Torque specifications for Aw55 Transmission

Transmission Mounting

1

Transmission Mounting Bolts

M12 x 1.5
Torque Specification
66 ft-lbs (90 N·m)
Important Notes
Ensure proper alignment before tightening. Incorrect torque can lead to misalignment, vibrations, or damage to the transmission.

Oil Pan

1

Transmission Oil Pan Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Use a crisscross pattern to avoid distortion or cracking of the oil pan.

Fluid Access

1

Transmission Fluid Drain/Fill Plug

M16 x 1.5
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Ensure the plug has a new sealing washer before installation.

Drive Axle

1

Drive Axle/Half Shaft Bolts

M12 x 1.5
Torque Specification
66 ft-lbs (90 N·m)
Important Notes
Use a star pattern for even torque distribution.

Valve Body

1

Transmission Valve Body Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Ensure the valve body is properly aligned before tightening.

Bellhousing

1

Transmission Bellhousing Bolts

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

Torque Converter

1

Torque Converter Bolts

M8 x 1.25
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Ensure the torque converter is properly seated before tightening.

Solenoid Assembly

1

Transmission Solenoid Retaining Bolts

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

Neutral Safety Switch

1

Transmission Neutral Safety Switch Bolt

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

Body

Torque specifications for Body

Suspension and Steering

1

Strut/Shock Absorber Mounting Bolts

M14 x 1.5
Torque Specification
85 ft-lbs (115 N·m)
2

Control Arm Bolts

M14 x 1.5
Torque Specification
85 ft-lbs (115 N·m)
3

Ball Joint Nut

M16 x 1.5
Torque Specification
63 ft-lbs (85 N·m)
4

Tie Rod End Nut

M12 x 1.5
Torque Specification
44 ft-lbs (60 N·m)
5

Sway Bar Link Nut

M10 x 1.5
Torque Specification
35 ft-lbs (48 N·m)
6

Steering Gear/Rack Bolts

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

Body and Frame

1

Body Mounting Bolts

M12 x 1.5
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated value. Consult vehicle's repair manual or manufacturer's documentation for accurate information.
2

Door Hinge Bolts

M8 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Estimated value. Consult vehicle's repair manual or manufacturer's documentation for accurate information.
3

Hood Hinge Bolts

M8 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Estimated value. Consult vehicle's repair manual or manufacturer's documentation for accurate information.
4

Trunk Lid Hinge Bolts

M8 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Estimated value. Consult vehicle's repair manual or manufacturer's documentation for accurate information.
5

Bumper Mounting Bolts

M10 x 1.5
Torque Specification
35 ft-lbs (48 N·m)
Important Notes
Estimated value. Consult vehicle's repair manual or manufacturer's documentation for accurate information.

Brakes

Torque specifications for Brakes

Brake Caliper System

1

Brake Caliper Bolts

M10 x 1.25
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Ensure the caliper is properly aligned before torquing.
2

Brake Caliper Mounting Bracket Bolts

M12 x 1.5
Torque Specification
81 ft-lbs (110 N·m)
Important Notes
Ensure the bracket is properly seated before torquing.

Brake Rotor Drum System

1

Brake Disc/Drum Retaining Bolts

M8 x 1.25
Torque Specification
36 ft-lbs (50 N·m)
Important Notes
Ensure the rotor or drum is properly seated before torquing.

Wheel And Lug Nut System

1

Wheel Lug Nuts

M12 x 1.5
Torque Specification
103 ft-lbs (140 N·m)
Important Notes
Use a star pattern sequence to ensure even torque distribution.

Brake Hydraulic System

1

Brake Hose/Line Fittings

M10 x 1.0
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Estimated value based on similar components. Ensure fittings are properly seated before torquing.
2

Brake Master Cylinder Mounting Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Estimated value based on similar components. Ensure the master cylinder is properly seated before torquing.

Brake Pedal System

1

Brake Pedal Assembly Bolts

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

Drivetrain

Torque specifications for Drivetrain

Engine Block and Crankshaft

1

Main Bearing Bolts

M14 x 1.5
Torque Specification
55 ft-lbs (75 N·m)
Important Notes
Proper torque is essential to prevent bearing damage and ensure engine longevity.

Flywheel and Crankshaft

1

Flywheel Bolts

M12 x 1.25
Torque Specification
59 ft-lbs (80 N·m)
Important Notes
Proper torque is necessary to prevent the flywheel from coming loose and causing damage to the engine and transmission.

Camshaft and Timing System

1

Camshaft Sprocket Bolt

M10 x 1.0
Torque Specification
59 ft-lbs (80 N·m)
Important Notes
Proper torque is essential to prevent the sprocket from coming loose and causing timing belt or chain failure.

Crankshaft Pulley and Harmonic Balancer

1

Crankshaft Pulley/Harmonic Balancer Bolt

M12 x 1.25
Torque Specification
59 ft-lbs (80 N·m)
Important Notes
Proper torque is necessary to prevent the pulley or balancer from coming loose and causing engine damage.

Transmission and Mounting

1

Transmission Mounting Bolts

M14 x 1.5
Torque Specification
66 ft-lbs (90 N·m)
Important Notes
Proper torque is essential to prevent the transmission from coming loose and causing damage.
2

Engine Block to Transmission Bellhousing Bolts

M12 x 1.25
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated value. Proper torque is necessary to prevent the engine block from coming loose and causing damage.
3

Transmission Crossmember Bolts

M14 x 1.5
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated value. Proper torque is essential to prevent the crossmember from coming loose and causing damage.

Drive Axle and Half Shaft

1

Drive Axle/Half Shaft Bolts

M14 x 1.5
Torque Specification
66 ft-lbs (90 N·m)
Important Notes
Proper torque is necessary to prevent the axles or half shafts from coming loose and causing damage.

CV Joint and Axle Shaft

1

CV Joint/Axle Nut

M20 x 1.5
Torque Specification
148 ft-lbs (200 N·m)
Important Notes
Proper torque is essential to prevent the CV joint from coming loose and causing damage.

Propeller/Drive Shaft

1

Propeller/Drive Shaft Bolts

M12 x 1.25
Torque Specification
36 ft-lbs (50 N·m)
Important Notes
Proper torque is necessary to prevent the shaft from coming loose and causing damage.

Differential and Transfer Case

1

Differential Drain/Fill Plug

M12 x 1.25
Torque Specification
36 ft-lbs (50 N·m)
Important Notes
Proper torque is necessary to prevent the plug from coming loose and causing fluid leaks.
2

Transfer Case Drain/Fill Plug

M10 x 1.0
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Proper torque is necessary to prevent the plug from coming loose and causing fluid leaks.
3

Differential Cover Bolts

M10 x 1.0
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Estimated value. Proper torque is necessary to prevent the cover from coming loose and causing damage.
4

Transfer Case Mounting Bolts

M12 x 1.25
Torque Specification
35 ft-lbs (48 N·m)
Important Notes
Estimated value. Proper torque is essential to prevent the transfer case from coming loose and causing damage.

Electrical

Torque specifications for Electrical

Engine Electrical

1

Starter Motor Mounting Bolts

M12 x 1.5
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Proper torque is essential to maintain the starter motor's electrical connections.
2

Alternator Mounting Bolts

M12 x 1.5
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Proper torque is essential to maintain the alternator's electrical connections.
3

Ignition Coil Bracket Bolts

M10 x 1.25
Torque Specification
11 ft-lbs (15 N·m)
Important Notes
Estimated value based on similar components. Proper torque is essential to maintain the ignition coil's electrical connections.

Battery and Electrical Connectors

1

Battery Terminal Nuts

M8 x 1.25
Torque Specification
6 ft-lbs (8 N·m)
Important Notes
Proper torque is essential to prevent damage to the battery terminals and maintain a secure connection.
2

Fuel Pump Electrical Connector Bolts

M6 x 1.0
Torque Specification
6 ft-lbs (8 N·m)
Important Notes
Estimated value based on similar components. Proper torque is essential to prevent damage to the fuel pump electrical connector and maintain a secure connection.
3

A/C Compressor Electrical Connector Bolts

M6 x 1.0
Torque Specification
6 ft-lbs (8 N·m)
Important Notes
Estimated value based on similar components. Proper torque is essential to prevent damage to the A/C compressor electrical connector and maintain a secure connection.
4

Power Steering Pump Electrical Connector Bolts

M6 x 1.0
Torque Specification
6 ft-lbs (8 N·m)
Important Notes
Estimated value based on similar components. Proper torque is essential to prevent damage to the power steering pump electrical connector and maintain a secure connection.

Emissions Sensors

Torque specifications for Emissions_sensors

Egr System

1

EGR Valve Bolts

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

Exhaust Manifold

1

Exhaust Manifold/Headers Bolts

M10 x 1.5
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Use a crisscross pattern for torque sequence.
2

Exhaust Manifold to Cylinder Head Bolts

M10 x 1.5
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Use a crisscross pattern for torque sequence.

Catalytic Converter

1

Catalytic Converter to Exhaust Pipe Bolts

M10 x 1.5
Torque Specification
22 ft-lbs (30 N·m)

Oxygen Sensor

1

Oxygen Sensor (O2 Sensor) Bolt

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

Dpf System

1

DPF Mounting Bolts

M10 x 1.5
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Estimated value based on similar component specifications.

Nox Sensor

1

NOx Sensor Bolt

M10 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Estimated value based on similar component specifications.

Exhaust

Torque specifications for Exhaust

Exhaust Manifold Headers

1

Exhaust Manifold/Headers to Cylinder Head Bolts

M10 x 1.25
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Tighten bolts in a crisscross pattern to ensure even pressure and a proper seal.

Exhaust Pipe Connections

1

Exhaust Pipe to Exhaust Manifold/Headers Bolts

M8 x 1.25
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Ensure proper alignment of the exhaust pipe 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.
3

Muffler to Exhaust Pipe Bolts

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

Heat Shield

1

Exhaust Heat Shield Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Over-tightening can damage the heat shield or exhaust components.

Oxygen Sensor

1

Oxygen Sensor Bolts

M12 x 1.5
Torque Specification
33 ft-lbs (45 N·m)
Important Notes
Ensure the oxygen sensor is properly threaded to avoid damage.

Exhaust Hanger

1

Exhaust Hanger Bracket Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Over-tightening can damage the hanger brackets or exhaust components.

Fuel

Torque specifications for Fuel

Fuel Delivery System

1

Fuel Rail Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Proper torque ensures a tight seal and prevents fuel leaks.
2

Fuel Injector Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Ensures proper sealing and prevents fuel leaks or unmetered air entry.
3

Fuel Pump Mounting Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Ensures the pump is securely fastened and prevents fuel leaks.
4

Fuel Tank Strap Bolts

M8 x 1.25
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Ensures the fuel tank is stable and prevents shifting.
5

Fuel Filler Neck Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Ensures a tight seal and prevents fuel vapor leaks.

Fuel Pressure Components

1

High-Pressure Fuel Pump Bolts

M6 x 1.0
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Ensures the pump is securely mounted and prevents leaks.
2

Fuel Pressure Regulator Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Ensures secure mounting and prevents fuel pressure issues.

Fuel Filtration

1

Fuel Filter Bolt/Nut

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensures a tight seal and prevents fuel leaks.

Hvac

Torque specifications for Hvac

Compressor And Lines

1

A/C Compressor Mounting Bolts

M10 x 1.5
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Ensure bolts are tightened in a crisscross pattern.
2

A/C Line Fittings

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Over-tightening can damage the O-rings and cause leaks.

Housing Components

1

Evaporator Housing Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Estimated value based on similar housing components.
2

Heater Core Housing Bolts

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

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 motor mounting components.

Condenser

1

Condenser Mounting Bolts

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

Suspension

Torque specifications for Suspension

Strut Shock Absorber

1

Front Strut/Shock Absorber Mounting Bolts

M12 x 1.5
Torque Specification
85 ft-lbs (115 N·m)
Important Notes
Ensure proper alignment before final torque application.
2

Rear Shock Absorber Mounting Bolts

M12 x 1.5
Torque Specification
85 ft-lbs (115 N·m)
Important Notes
Estimated value based on similar front strut bolts.

Control Arm

1

Control Arm Bolts

M12 x 1.5
Torque Specification
85 ft-lbs (115 N·m)
Important Notes
Ensure proper alignment before final torque application.
2

Ball Joint Nut

M10 x 1.25
Torque Specification
63 ft-lbs (85 N·m)
Important Notes
Ensure the ball joint is properly seated before torque application.

Steering

1

Tie Rod End Nut

M8 x 1.25
Torque Specification
44 ft-lbs (60 N·m)
Important Notes
Ensure the tie rod end is properly seated before torque application.
2

Steering Gear/Rack Bolts

M12 x 1.5
Torque Specification
74 ft-lbs (100 N·m)
Important Notes
Ensure proper alignment before final torque application.

Sway Bar

1

Front Sway Bar Link Nut

M8 x 1.25
Torque Specification
35 ft-lbs (48 N·m)
Important Notes
Ensure the sway bar link is properly seated before torque application.
2

Rear Sway Bar Mounting Bolts

M8 x 1.25
Torque Specification
35 ft-lbs (48 N·m)
Important Notes
Estimated value based on front sway bar link torque.

Subframe

1

Subframe Mounting Bolts

M12 x 1.5
Torque Specification
81 ft-lbs (110 N·m)
Important Notes
Ensure proper alignment before final torque application.

Wheels

1

Wheel Lug Nuts

M12 x 1.5
Torque Specification
103 ft-lbs (140 N·m)
Important Notes
Use a star pattern for torque application to ensure even clamping force.

Tf 80 Transmission

Torque specifications for Tf 80 Transmission

Transmission Mounting

1

Transmission Mounting Bolts

M10 x 1.5
Torque Specification
66 ft-lbs (90 N·m)
Important Notes
Ensure proper alignment before tightening.

Oil Pan

1

Transmission Oil Pan Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Overtightening can damage the oil pan seal.

Fluid Management

1

Transmission Drain Plug

M14 x 1.5
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Ensure the sealing washer is in good condition.
2

Transmission Fill Plug

M14 x 1.5
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Ensure the sealing washer is in good condition.
3

Transmission Cooler Line Fittings

M12 x 1.5
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure proper alignment to avoid threading issues.

Drivetrain Connection

1

Propeller/Drive Shaft Bolts

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

CV Joint/Axle Nut

M24 x 1.5
Torque Specification
148 ft-lbs (200 N·m)
Important Notes
Use a torque wrench with a suitable range for high torque values.

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 torque wrench should I use for the Volvo xc90 2012?

Use a high-quality torque wrench that IS calibrated to Volvo specifications. We recommend a click-type torque wrench with a range of 10-150 ft-lbs.

Q2

How do I properly torque wheel bolts on my 2005 Volvo xc90?

Clean the bolts and threads, and apply a light coating of anti-seize. Tighten the bolts in a star pattern to 88 ft-lbs using a torque wrench.

Q3

What IS the torque specification for the oil pan drain plug on a 2010 Volvo xc90?

The oil pan drain plug should be torqued to 18 ft-lbs.

Q4

Can I use a breaker bar to loosen stuck bolts on my 2014 Volvo xc90?

No, using a breaker bar can damage the bolts or threads. Use a high-quality impact wrench instead.

Q5

How do I torque the bolts on my Volvo xc90's suspension?

Always refer to the Volvo service manual for specific torque specifications. Ensure the suspension IS unloaded before torquing the bolts.

Q6

IS it safe to reuse bolts after they have been torqued?

No, it IS not recommended to reuse bolts after they have been torqued. The bolts may have been stretched or weakened and should be replaced.

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 xc90.

  • 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

Tightening and Torquing Cylinder Head Bolts

Technical procedure overview specific to Volvo xc90

  • Clean cylinder head bolt threads and washers thoroughly.
  • Lubricate threads and washers with engine oil.
  • Tighten cylinder head bolts in the correct sequence to 20 Nm.
  • Re-tighten cylinder head bolts in the same sequence to 45 Nm.
  • Finally, re-tighten cylinder head bolts again in the same sequence to 90 Nm.
View full procedure

Tightening Torques for Suspension Components

Technical procedure overview specific to Volvo xc90

  • Tighten the upper strut mount nuts to 30 Nm.
  • Tighten the lower strut mount bolts to 100 Nm.
  • Tighten the tie rod end nuts to 50 Nm.
  • Tighten the control arm bolts to 90 Nm.
View full procedure
Technical Service Bulletins

Service Bulletin: Revised Torque Specifications for Driveshaft Bolts

2010-06-01

Detailed bulletin description for Volvo xc90

2002-2014 xc90

Resolution: The torque specification for the driveshaft bolts has been revised to 100 Nm. All previous torque specifications for driveshaft bolts are superseded by this bulletin.

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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.
  • Working on vehicles can be dangerous. Always take proper safety precautions and use appropriate safety equipment.
  • If you're unsure about any procedure, consult a qualified professional mechanic.
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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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