Volvo Volvo V40 2012-2019 Suspension Bolt Torque Specifications & Fastener Values
Volvo Volvo V40 2012-2019

Volvo Volvo V40 2012-2019 Suspension Bolt Torque Specifications

Detailed torque specifications for suspension bolts on the 2012-2019 Volvo V40, including front and rear suspension components.

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

Search Specifications

Search by component name, bolt size, or description

Torque Calculator

Convert between different torque units

Strut/shock absorber mounting

These bolts secure the strut or shock absorber to the vehicle's frame or suspension component, ensuring proper alignment and stability.

1

Strut/Shock Absorber Mounting Bolts

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

Control arm mounting

Control arm bolts connect the control arms to the frame or suspension components, maintaining proper suspension geometry and alignment.

1

Upper Control Arm Bolts

M12 x 1.25
Torque Value
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 Value
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

Ball joint nuts secure the ball joints to the control arms or steering knuckles, allowing for smooth suspension movement. Tie rod end nuts connect the tie rods to the steering knuckles or control arms, maintaining proper steering alignment and geometry.

1

Ball Joint Nut

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

Steering knuckle mounting

Steering knuckle bolts secure the steering knuckles to the suspension components, ensuring proper steering alignment and geometry.

1

Steering Knuckle Bolts

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

Coil spring mounting

Coil spring mounting bolts secure the coil springs to the strut or shock absorber, maintaining proper suspension movement and alignment.

1

Coil Spring Mounting Bolts

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

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 specification for the suspension bolts on my 2012-2019 Volvo V40?

The recommended torque specification for the suspension bolts on your 2012-2019 Volvo V40 is 110-130 Nm (81-96 lb-ft) for the front suspension bolts and 140-160 Nm (103-118 lb-ft) for the rear suspension bolts. However, it's essential to consult your owner's manual or a repair manual for specific torque values, as they may vary depending on the trim level and suspension type.

Q2

Why is it crucial to follow the recommended torque specification for suspension bolts?

Following the recommended torque specification for suspension bolts is vital to ensure the safety and stability of your vehicle. Over-torquing can damage the threads or strip the bolts, while under-torquing can lead to loose bolts, which can cause the suspension to fail, resulting in loss of control or an accident.

Q3

How often should I check and maintain the suspension bolts on my Volvo V40?

It's recommended to check the suspension bolts every 12,000 to 15,000 miles (19,312 to 24,140 km) or during routine maintenance, such as oil changes or tire rotations. Additionally, if you notice any signs of wear, such as rust or corrosion, or if you've been involved in an accident, it's essential to inspect and maintain the suspension bolts as soon as possible.

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

Torque Wrench

A precision tool used to apply a specific torque to a fastener, such as suspension bolts.

  • Adjustable torque settings
  • Calibrated for accuracy
Learn more

Socket Set

A set of sockets in various sizes to fit suspension bolts and nuts.

  • Includes metric sizes
  • Durable construction
Learn more

Breaker Bar

A long-handled tool used to loosen tight bolts before applying torque.

  • High leverage design
  • Reinforced steel construction
Learn more
Service Procedures

Front Suspension Bolt Torque Application

Procedure for applying the correct torque to front suspension bolts on a 2012-2019 Volvo V40.

  • Lift the vehicle and secure it on jack stands.
  • Remove the front wheels to access the suspension components.
  • Loosen the front suspension bolts using a breaker bar.
  • Tighten the bolts to the specified torque using a torque wrench.
  • Reinstall the wheels and lower the vehicle.
View full procedure

Rear Suspension Bolt Torque Application

Procedure for applying the correct torque to rear suspension bolts on a 2012-2019 Volvo V40.

  • Lift the vehicle and secure it on jack stands.
  • Remove the rear wheels to access the suspension components.
  • Loosen the rear suspension bolts using a breaker bar.
  • Tighten the bolts to the specified torque using a torque wrench.
  • Reinstall the wheels and lower the vehicle.
View full procedure
Technical Service Bulletins

Suspension Bolt Torque Specification Update

2015-03-15

Updated torque specifications for suspension bolts on 2012-2015 Volvo V40 models.

2012-2015 Volvo V40

Resolution: Refer to the updated torque specifications in the service manual and ensure proper torque application during suspension repairs.

Suspension Component Recall

2017-08-22

Recall for improper torque application on suspension components in certain 2016-2017 Volvo V40 models.

2016-2017 Volvo V40

Resolution: Inspect and retorque suspension bolts to the correct specifications as outlined in the recall notice.

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.

Facebook Contact
15+ Years
Experience
500+ Guides
Guides
50+ Makes
Vehicles
1000+ Solutions
Solutions

Diagnostic

Specialized in advanced diagnostic techniques using modern scan tools and oscilloscopes.

Repair

Expert in both traditional mechanical repairs and modern vehicle systems.

Additional Expertise

Documentation

Created over 500 detailed repair guides and technical documents.

Training

Conducted technical training sessions and contributed to repair databases.

Certifications & Research

Certifications

  • ASE Master Technician Certification
  • Advanced Diagnostic Specialist
  • Hybrid/Electric Vehicle Systems
  • Performance Tuning Expert

Research & Community

Actively researches emerging technologies and contributes to automotive forums.

Legal Disclaimer

Important information about using this content

Always refer to your vehicle's service manual and take appropriate safety precautions when performing any maintenance or repairs.

General Information
The information provided on this website is for general informational purposes only. While we strive to maintain accuracy in our content, all specifications, procedures, and technical information should be verified against your vehicle's official service manual or with the manufacturer directly.
Warranty & Liability

The content on this website is provided "as is" without any representations or warranties, express or implied. We make no representations or warranties regarding the accuracy, completeness, or availability of the information.

We shall not be liable for any direct, indirect, special, or consequential damages arising from the use of information on this website.

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.
Intellectual Property
All content, including text, images, and specifications, is protected by copyright and other intellectual property laws. Any unauthorized use or reproduction is prohibited.

© 2025 Volvo Specs. All rights reserved.

Privacy Policy Terms of Service