Volvo Vehicle Models Volvo V40 2012-2019 Torque Specifications
Volvo Vehicle Models Volvo V40 2012-2019

Volvo Vehicle Models Volvo V40 2012-2019 Torque Specifications

Complete Volvo Vehicle Models Volvo V40 2012-2019 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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1.6l I4 Engine

Torque specifications for 1.6L-I4 Engine

Engine Block

1

Main Bearing Cap Bolts

M10 x 1.5
Torque Specification
1. 37 ft-lbs (50 N·m) 2. 90°
Important Notes
Apply lubricant to threads and seating surface. Tighten in sequence per service manual.
2

Cylinder Head Bolts

M12 x 1.5
Torque Specification
1. 44 ft-lbs (60 N·m) 2. 59 ft-lbs (80 N·m) 3. 90°
Important Notes
Ensure bolts are clean and lubricated. Follow the tightening sequence strictly.

Turbocharger

1

Turbocharger Mounting Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensure all surfaces are clean and free of debris.
2

Oil Feed Line Fitting

M10 x 1.25
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Use new sealing washer. Do not overtighten.

Exhaust System

1

Exhaust Manifold Bolts

M8 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Tighten bolts in a crisscross pattern to ensure even sealing.
2

Turbocharger Downpipe Bolts

M10 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Ensure gasket is properly seated before tightening.

1.6l I4 Turbo Engine

Torque specifications for 1.6L-I4-TURBO Engine

Engine Block

1

Main Bearing Cap Bolts

M10 x 1.5
Torque Specification
1. 37 ft-lbs (50 N·m) 2. 90°
Important Notes
Apply lubricant to threads and seating surface. Tighten in sequence per service manual.
2

Cylinder Head Bolts

M12 x 1.5
Torque Specification
1. 44 ft-lbs (60 N·m) 2. 59 ft-lbs (80 N·m) 3. 90°
Important Notes
Ensure bolts are clean and lubricated. Follow the tightening sequence strictly.

Turbocharger

1

Turbocharger Mounting Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensure all surfaces are clean and free of debris.
2

Oil Feed Line Fitting

M10 x 1.25
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Use new sealing washer. Do not overtighten.

Exhaust System

1

Exhaust Manifold Bolts

M8 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Tighten bolts in a crisscross pattern to ensure even sealing.
2

Turbocharger Downpipe Bolts

M10 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Ensure gasket is properly seated before tightening.

2.0l Engine

Torque specifications for 2.0L Engine

Cylinder Head

1

Cylinder Head Bolts

M10 x 1.25
Torque Specification
1. 18 ft-lbs (24 N·m) 2. 90°
Important Notes
Follow the manufacturer's specified torque sequence for the cylinder head bolts to ensure proper sealing.
2

Rocker Arms/Shafts Bolts

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

Crankshaft And Bearings

1

Main Bearing Bolts

M12 x 1.5
Torque Specification
59 ft-lbs (80 N·m)
Important Notes
Follow the specified torque sequence to ensure proper crankshaft alignment.
2

Connecting Rod Nuts

M8 x 1.0
Torque Specification
19 ft-lbs (26 N·m)
Important Notes
Ensure proper alignment of the connecting rods before tightening.

Flywheel And Clutch

1

Flywheel Bolts

M10 x 1.25
Torque Specification
52 ft-lbs (70 N·m)
Important Notes
Ensure the flywheel is properly aligned before tightening.

Oil System

1

Oil Pan Bolts

M6 x 1.0
Torque Specification
7.4 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
25 ft-lbs (34 N·m)
Important Notes
Replace the crush washer with a new one during installation.

Turbocharger System

1

Turbocharger Mounting Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensure the turbocharger is properly aligned before tightening.
2

Turbocharger Oil Feed Line Bolt

M10 x 1.0
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Ensure the oil feed line is properly seated before tightening.

2.0l I4 Engine

Torque specifications for 2.0L-I4 Engine

Cylinder Head

1

Cylinder Head Bolts

M10 x 1.25
Torque Specification
1. 18 ft-lbs (24 N·m) 2. 90°
Important Notes
Follow the manufacturer's specified torque sequence to ensure even clamping force.
2

Valve Cover Bolts

M6 x 1.0
Torque Specification
7.4 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 1.5
Torque Specification
59 ft-lbs (80 N·m)
Important Notes
Follow the specified torque sequence to ensure proper bearing alignment.
2

Connecting Rod Nuts

M8 x 1.25
Torque Specification
19 ft-lbs (26 N·m)
Important Notes
Ensure rod bearings are properly seated 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 the tensioner is properly aligned before tightening.
2

Camshaft Sprocket Bolt

M10 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensure the sprocket is properly aligned with the camshaft.

Oil System

1

Oil Pan Bolts

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

Oil Drain Plug Bolt

M12 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Replace the crush washer to ensure a proper seal.

Accessories

1

Starter Motor Mounting Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensure the starter motor is properly aligned with the flywheel.
2

Alternator Mounting Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensure the alternator is properly aligned with the drive belt.

2.0l I4 Turbo Engine

Torque specifications for 2.0L-I4-TURBO Engine

Cylinder Head

1

Cylinder Head Bolts

M10 x 1.25
Torque Specification
1. 18 ft-lbs (24 N·m) 2. 90°
Important Notes
Follow the manufacturer's specified torque sequence for the cylinder head bolts to ensure proper sealing.
2

Rocker Arms/Shafts Bolts

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

Crankshaft And Bearings

1

Main Bearing Bolts

M12 x 1.5
Torque Specification
59 ft-lbs (80 N·m)
Important Notes
Follow the specified torque sequence to ensure proper crankshaft alignment.
2

Connecting Rod Nuts

M8 x 1.0
Torque Specification
19 ft-lbs (26 N·m)
Important Notes
Ensure proper alignment of the connecting rods before tightening.

Flywheel And Clutch

1

Flywheel Bolts

M10 x 1.25
Torque Specification
52 ft-lbs (70 N·m)
Important Notes
Ensure the flywheel is properly aligned before tightening.

Oil System

1

Oil Pan Bolts

M6 x 1.0
Torque Specification
7.4 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
25 ft-lbs (34 N·m)
Important Notes
Replace the crush washer with a new one during installation.

Turbocharger System

1

Turbocharger Mounting Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensure the turbocharger is properly aligned before tightening.
2

Turbocharger Oil Feed Line Bolt

M10 x 1.0
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Ensure the oil feed line is properly seated 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 all straps are evenly tightened to prevent tank misalignment.
2

Fuel Filler Neck Bolts

M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Ensure a secure seal to prevent fuel vapors from escaping.

Electrical System

1

Battery Terminal Nuts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Over-tightening can damage the terminal or strip threads.

Body Panels

1

Body Panel Bolts

M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Estimated value based on similar components. Ensure panels are aligned before tightening.

Bumpers

1

Bumper Mounting Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensure even tightening to prevent misalignment of the bumper.

Seats

1

Seat Mounting Bolts

M10 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Critical for passenger safety. Ensure proper torque to prevent seat movement.

Doors

1

Door Hinge Bolts

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

Roof Rack

1

Roof Rack Mounting Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensure even tightening to prevent damage to the roof or rack.

Spoiler

1

Spoiler/Wing Mounting Bolts

M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Estimated value based on similar components. Ensure secure attachment without over-tightening.

Interior Trim

1

Interior Trim Panel Bolts

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

Brakes

Torque specifications for Brakes

Brake Caliper System

1

Brake Caliper Bolts

M10 x 1.25
Torque Specification
47 ft-lbs (64 N·m)
Important Notes
Ensure proper alignment of the caliper before tightening.
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 tightening.

Brake Disc Drum System

1

Brake Disc/Drum Retaining Bolts

M8 x 1.25
Torque Specification
59 ft-lbs (80 N·m)
Important Notes
Ensure the disc/drum is properly seated before tightening.

Wheel Attachment System

1

Wheel Lug Nuts

M12 x 1.5
Torque Specification
96 ft-lbs (130 N·m)
Important Notes
Always use a torque wrench to ensure proper tightening.

Brake Hydraulic System

1

Brake Hose Banjo Bolt

M10 x 1.0
Torque Specification
27 ft-lbs (37 N·m)
Important Notes
Ensure the banjo fitting is properly aligned before tightening.
2

Brake Bleeder Valve

M8 x 1.25
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Do not over-tighten to avoid damaging the valve.
3

Brake Master Cylinder Mounting Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensure the master cylinder is properly seated before tightening.
4

Brake Booster Mounting Bolts

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

Drivetrain

Torque specifications for Drivetrain

Engine To Transmission

1

Flywheel Bolts

M10 x 1.25
Torque Specification
52 ft-lbs (70 N·m)
Important Notes
Ensure bolts are tightened in a star pattern to maintain even pressure.
2

Crankshaft Pulley/Harmonic Balancer Bolt

M16 x 1.5
Torque Specification
177 ft-lbs (240 N·m)
Important Notes
Use a torque wrench with a high-capacity range for this bolt.
3

Transmission Bellhousing Bolts

M8 x 1.25
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Estimated value based on similar bolt sizes and applications.

Transmission

1

Transmission Mounting Bolts

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

Transmission Oil Pan Bolts

M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Use a torque wrench with a low-capacity range for these bolts.
3

Transmission Drain and Fill Plugs

M12 x 1.5
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Ensure the transmission fluid level is checked after tightening.

Driveshaft And Axles

1

Drive Axle/Half Shaft Bolts

M10 x 1.25
Torque Specification
59 ft-lbs (80 N·m)
Important Notes
Ensure the axle is properly seated 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 high-capacity range for this nut.
3

Propeller/Drive Shaft Bolts

M10 x 1.25
Torque Specification
59 ft-lbs (80 N·m)
Important Notes
Ensure the drive shaft is properly aligned before tightening.

Differential And Transfer Case

1

Differential Mounting Bolts

M10 x 1.25
Torque Specification
59 ft-lbs (80 N·m)
Important Notes
Estimated value based on similar bolt sizes and applications.
2

Differential Drain/Fill Plug

M12 x 1.5
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Ensure the differential fluid level is checked after tightening.
3

Transfer Case Mounting Bolts

M8 x 1.25
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Estimated value based on similar bolt sizes and applications.
4

Transfer Case Drain/Fill Plug

M12 x 1.5
Torque Specification
33 ft-lbs (45 N·m)
Important Notes
Ensure the transfer case fluid level is checked after tightening.

Clutch System

1

Clutch Pressure Plate Bolts

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

Rear Axle

1

Rear Axle Hub Bolts

M10 x 1.25
Torque Specification
59 ft-lbs (80 N·m)
Important Notes
Estimated value based on similar bolt sizes and applications.

Electrical

Torque specifications for Electrical

Starter Motor

1

Starter Motor Mounting Bolts

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

Alternator

1

Alternator Mounting Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Check belt tension after tightening the bolts.

Battery

1

Battery Terminal Nuts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Ensure terminals are clean and free of corrosion before tightening.

Ac System

1

A/C Compressor Mounting Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensure the compressor pulley aligns with the serpentine belt.
2

A/C Line Fittings

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensure O-rings are properly seated before tightening.

Grounding Points

1

Grounding Points Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Ensure grounding surfaces are clean and free of corrosion.

Fuse Box

1

Fuse Box Mounting Bolts

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

Ecu

1

ECU/Control Module Mounting Bolts

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

Wiring Harness

1

Wiring Harness Bracket Bolts

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

Sensors

1

Sensor Mounting Bolts

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

Emissions Sensors

Torque specifications for Emissions_sensors

Exhaust Manifold Headers

1

Exhaust Manifold/Headers Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensure bolts are tightened in a crisscross pattern to evenly distribute the load.
2

Exhaust Manifold/Headers to Cylinder Head Bolts

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

Exhaust Pipe Connections

1

Exhaust Pipe to Exhaust Manifold/Headers Bolts

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

Catalytic Converter to Exhaust Pipe Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensure gasket is properly seated before tightening.

Emission Control Components

1

EGR Valve Bolts

M6 x 1.0
Torque Specification
7.42 ft-lbs (10 N·m)
Important Notes
Ensure the EGR valve is properly aligned before tightening.
2

Oxygen Sensor (O2 Sensor) Mounting Bolt/Nut

M12 x 1.5
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Ensure the sensor is properly grounded.
3

NOx Sensor Mounting Bolt/Nut

M12 x 1.5
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Ensure the sensor is properly grounded.
4

DPF (Diesel Particulate Filter) Mounting Bolts

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

Exhaust

Torque specifications for Exhaust

Exhaust Manifold Headers

1

Exhaust Manifold/Headers to Cylinder Head Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensure bolts are tightened in a crisscross pattern to evenly distribute pressure.
2

Exhaust Pipe to Exhaust Manifold/Headers Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensure gasket is properly seated before tightening bolts.

Catalytic Converter

1

Catalytic Converter to Exhaust Pipe Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensure gasket is properly seated before tightening bolts.

Muffler

1

Muffler to Exhaust Pipe Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensure gasket is properly seated before tightening bolts.

Heat Shield

1

Exhaust Heat Shield Bolts

M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Estimated value based on typical M6 bolt torque specifications.

Exhaust Hanger

1

Exhaust Hanger Bolts

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

Oxygen Sensor

1

Oxygen Sensor Mounting Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensure sensor is properly seated before tightening bolts.

Exhaust Flange

1

Exhaust Flange Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensure gasket is properly seated before tightening bolts.

Fuel

Torque specifications for Fuel

Fuel Delivery System

1

Fuel Rail Bolts

M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Ensures proper sealing of the fuel rail to prevent leaks.
2

Fuel Injector Bolts

M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Ensures a proper seal between the injector and the intake manifold or cylinder head.
3

High-Pressure Fuel Pump Mounting Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensures the high-pressure fuel pump is securely mounted to prevent leaks or damage.
4

Fuel Pressure Regulator Bolts

M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Ensures the fuel pressure regulator is securely mounted to maintain proper fuel pressure.
5

Fuel Line Flange Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensures a tight seal between the fuel lines and the fuel rail or other components.

Fuel Storage System

1

Fuel Tank Strap Bolts

M10 x 1.5
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Ensures the fuel tank is securely mounted to the vehicle chassis.
2

Fuel Tank Sender Unit Bolts

M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Ensures the fuel level sender unit is securely mounted to the fuel tank.

Fuel Evaporative System

1

Fuel Evaporative Canister Bolts

M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Ensures the evaporative canister is securely mounted to prevent vapor leaks.

Fuel Filling System

1

Fuel Filler Neck Bolts

M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Ensures the fuel filler neck is securely mounted to the vehicle body.

Fuel Filtration System

1

Fuel Filter Bolt/Nut

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensures the fuel filter housing or bracket is securely mounted.

Hvac

Torque specifications for Hvac

A/C Compressor Mounting

1

A/C Compressor Mounting Bolts

M12 x 1.5
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Proper torque is essential to maintain the compressor's performance and longevity.

A/C Line Fittings

1

A/C Line Fittings

M10 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Proper torque ensures a leak-free connection, preventing refrigerant loss and maintaining system performance.

A/C Condenser Mounting

1

A/C Condenser Mounting Bolts

M12 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Estimated value. Proper torque is necessary to ensure the condenser's correct position and prevent damage to the surrounding components.

A/C Evaporator Mounting

1

A/C Evaporator Mounting Bolts

M10 x 1.25
Torque Specification
12.5 ft-lbs (17 N·m)
Important Notes
Estimated value. Proper torque is essential to maintain the evaporator's correct position and prevent damage to the surrounding components.

A/C Refrigerant Line Bracket

1

A/C Refrigerant Line Bracket Bolts

M8 x 1.25
Torque Specification
12.5 ft-lbs (17 N·m)
Important Notes
Estimated value. Proper torque ensures the lines are properly routed and secured, preventing damage and refrigerant leaks.

A/C Compressor Clutch

1

A/C Compressor Clutch Bolt

M14 x 1.5
Torque Specification
17.5 ft-lbs (24 N·m)
Important Notes
Estimated value. Proper torque is necessary to ensure the clutch engages and disengages correctly, maintaining system performance and preventing damage.

Suspension

Torque specifications for Suspension

Strut/Shock Absorber Mounting

1

Strut/Shock Absorber Mounting Bolts

M14 x 1.5
Torque Specification
75 ft-lbs (102 N·m)
Important Notes
Incorrect torque can lead to uneven tire wear, reduced handling, and compromised safety.

Control Arm Mounting

1

Upper Control Arm Bolts

M12 x 1.25
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated value, consult vehicle manufacturer's recommendations for accurate information.
2

Lower Control Arm Bolts

M14 x 1.5
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Estimated value, consult vehicle manufacturer's recommendations for accurate information.

Ball Joint and Tie Rod End Mounting

1

Ball Joint Nut

M16 x 1.5
Torque Specification
48 ft-lbs (65 N·m)
Important Notes
Incorrect torque can lead to premature wear, noise, and reduced steering precision.
2

Tie Rod End Nut

M16 x 1.5
Torque Specification
48 ft-lbs (65 N·m)
Important Notes
Incorrect torque can lead to loose connections, affecting steering precision and stability.

Sway Bar Link Mounting

1

Sway Bar Link Nut

M10 x 1.25
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Incorrect torque can lead to reduced handling and stability.

Steering Knuckle Mounting

1

Steering Knuckle Bolts

M14 x 1.5
Torque Specification
75 ft-lbs (102 N·m)
Important Notes
Estimated value, consult vehicle manufacturer's recommendations for accurate information.

Coil Spring Mounting

1

Coil Spring Mounting Bolts

M10 x 1.25
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Estimated value, consult vehicle manufacturer's recommendations for accurate information.

Tf 80 Transmission

Torque specifications for Tf 80 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.

Transmission Fluid System

1

Transmission Oil Pan Bolts

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

Transmission Drain Plug

M12 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Ensure the plug is properly sealed to prevent leaks.
3

Transmission Fill Plug

M12 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Ensure the plug is properly sealed to prevent leaks.

Drivetrain Connection

1

Drive Axle/Half Shaft Bolts

M12 x 1.5
Torque Specification
59 ft-lbs (80 N·m)
Important Notes
Ensure the axle is properly seated before tightening.
2

CV Joint/Axle Nut

M24 x 1.5
Torque Specification
148 ft-lbs (200 N·m)
Important Notes
Ensure the CV joint is properly seated before tightening.
3

Propeller/Drive Shaft Bolts

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

Internal Transmission Components

1

Torque Converter Bolts

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

Transmission Valve Body Bolts

M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Ensure the valve body is properly seated before tightening.
3

Transmission Shift Linkage Bolts

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

Transmission Cooling System

1

Transmission Cooler Line Fittings

M10 x 1.5
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensure the fittings are properly seated to prevent leaks.

Troubleshooting Guide

Common issues, diagnostic steps, and prevention guidelines

Common Issues

Bolt stretching, stripped threads, uneven torque patterns

Loose Components

Symptoms:
  • Rattling or vibration noises
  • Visible movement in components
  • Uneven panel gaps
Solutions:
  • Clean threads and mounting surfaces
  • Replace damaged fasteners
  • Apply proper torque in sequence
  • Use thread locker if specified

Stripped Fasteners

Symptoms:
  • Unable to achieve proper torque
  • Fastener spins freely
  • Visible thread damage
Solutions:
  • Use thread repair kit if appropriate
  • Install thread insert (HeliCoil)
  • Replace component if threaded hole is damaged
  • Upgrade to higher grade fastener if recommended

Overtightened Components

Symptoms:
  • Cracked or deformed parts
  • Broken fasteners
  • Compressed gaskets or seals
Solutions:
  • Replace damaged components
  • Use new fasteners
  • Follow proper torque sequence
  • Verify correct torque specifications

Diagnostic Steps

Visual inspection, torque verification, thread assessment

1

Visual Inspection

Inspect the affected area for any visible signs of damage or wear

  • Check for cracks or deformation
  • Look for signs of excessive wear
  • Verify proper fastener installation
2

Torque Verification

Verify the torque applied to the fasteners

  • Check the torque wrench calibration
  • Verify the torque specification
  • Compare the applied torque to the specification
3

Thread Assessment

Assess the condition of the threads

  • Check for signs of thread damage
  • Verify the thread type and size
  • Check for proper thread engagement

Prevention Guidelines

Best practices, maintenance tips, tool care

Best Practices

  • Always follow the recommended torque specification
  • Use the correct type and size of fasteners
  • Verify the torque wrench calibration regularly

Maintenance Tips

  • Regularly inspect the affected area for signs of wear or damage
  • Replace damaged or worn-out components promptly
  • Keep the work area clean and organized

Tool Care

  • Regularly clean and maintain the torque wrench
  • Store the torque wrench in a dry and secure location
  • Verify the torque wrench calibration before each use

Frequently Asked Questions

Find answers to common questions about torque specifications

Q1

What IS the recommended torque for the wheel nuts on a 2012-2019 Volvo V40?

Tighten the wheel nuts to 120 Nm (89 lb-ft) using a torque wrench.

Q2

What IS the torque setting for the spark plugs on my 2016 Volvo V40?

Apply anti-seize compound to the threads of the spark plugs and tighten them to 25 Nm (18 lb-ft) using a torque wrench.

Q3

IS it safe to use an impact wrench to tighten bolts on my Volvo V40?

No, using an impact wrench IS not recommended as it can overtighten bolts and cause damage. Always use a torque wrench to ensure proper torque IS applied.

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 accurate torque measurements during maintenance and repairs. A digital wrench provides precise readings, ensuring components are tightened to the correct specifications.

  • Precise torque readings on a digital display
  • Audible and visual alerts for accurate tightening
  • Versatile with a range suitable for various V40 applications
  • Ergonomic design for ease of use
Learn more
Service Procedures

Tightening Engine Cylinder Head Bolts

Step-by-step guide for properly tightening the cylinder head bolts to ensure a secure and leak-free connection.

  • Clean the bolt threads and mating surfaces.
  • Apply a small amount of engine oil to the threads.
  • Tighten the bolts to 20 Nm in the correct sequence.
  • Loosen the bolts half a turn.
  • Re-tighten the bolts to 45 Nm plus an additional 90 degrees.
  • Double-check the torque with a torque wrench.
View full procedure

Replacing Wheel Lug Nuts

Detailed instructions on how to safely remove and replace wheel lug nuts, ensuring proper torque for secure wheel mounting.

  • Park the vehicle on a level surface and engage the parking brake.
  • Loosen the lug nuts slightly using a lug wrench.
  • Lift the vehicle using a jack and secure it with jack stands.
  • Completely remove the lug nuts and take off the wheel.
  • Clean the lug nuts and wheel mounting surfaces.
  • Apply a small amount of anti-seize compound to the lug nut threads.
  • Hand-tighten the lug nuts onto the wheel.
  • Use a torque wrench to tighten the lug nuts to 120 Nm.
  • Lower the vehicle and fully tighten the lug nuts using a star pattern.
View full procedure
Technical Service Bulletins

TSB: Incorrect Engine Cylinder Head Bolt Torque

2014-03-15

This bulletin addresses an issue with incorrect engine cylinder head bolt torque specifications provided in previous documentation.

2012-2014 V40

Resolution: The correct torque specification for the engine cylinder head bolts IS 45 Nm plus an additional 90 degrees. Refer to the updated service procedure for detailed instructions.

TSB: Wheel Lug Nut Torque Adjustment

2018-07-24

This bulletin provides updated torque specifications for wheel lug nuts to ensure proper wheel mounting and prevent safety concerns.

2015-2019 V40

Resolution: The updated torque specification for wheel lug nuts IS 130 Nm. Refer to the latest service manual for proper tightening procedures.

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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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