Volvo Volvo V60 2010-2018 TG-81 Transmission Transmission Torque Specifications & Bolt Torque Values
Volvo Volvo V60 2010-2018

Volvo Volvo V60 2010-2018 TG-81 Transmission Torque Specifications

Detailed torque specifications for the TG-81 transmission bolts in the 2010-2018 Volvo V60, including tightening sequences and torque values.

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

Transmission mounting

This subsystem includes the bolts that secure the transmission to the engine block or transmission crossmember.

1

Transmission Mounting Bolts

M14 x 1.5
Torque Value
44 ft-lbs (60 N·m)
Important Notes
These bolts ensure proper alignment and prevent movement or vibration that could affect transmission performance.

Transmission oil pan

This subsystem includes the bolts that secure the oil pan to the transmission.

1

Transmission Oil Pan Bolts

M10 x 1.25
Torque Value
6 ft-lbs (8 N·m)
Important Notes
These bolts prevent oil leaks and ensure proper lubrication of the transmission components.

Transmission fluid system

This subsystem includes the plugs that allow for the draining and filling of transmission fluid.

1

Transmission Drain and Fill Plugs

M12 x 1.5
Torque Value
33 ft-lbs (45 N·m)
Important Notes
These plugs require proper torque to prevent leaks and ensure accurate fluid level monitoring.
2

Transmission Fluid Drain/Fill Plug

M12 x 1.5
Torque Value
33 ft-lbs (45 N·m)
Important Notes
This plug is specific to the transmission fluid system and requires proper torque to prevent leaks and ensure accurate fluid level monitoring.

Transmission bellhousing

This subsystem includes the bolts that secure the bellhousing to the engine block.

1

Transmission Bellhousing Bolts

M16 x 1.5
Torque Value
55 ft-lbs (75 N·m)
Important Notes
These bolts ensure proper alignment and prevent movement or vibration that could affect transmission performance. (Estimated value based on industry standards)

Transmission crossmember

This subsystem includes the bolts that secure the transmission crossmember to the vehicle's frame.

1

Transmission Crossmember Bolts

M18 x 1.5
Torque Value
66 ft-lbs (90 N·m)
Important Notes
These bolts ensure proper support and alignment of the transmission. (Estimated value based on industry standards)

Transmission cooler lines

This subsystem includes the fittings that connect the transmission cooler lines to the transmission.

1

Transmission Cooler Line Fittings

M10 x 1.25
Torque Value
18 ft-lbs (25 N·m)
Important Notes
These fittings require proper torque to ensure a leak-free seal. (Estimated value based on industry standards)

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 TG-81 transmission bolt on a 2010-2018 Volvo V60?

The recommended torque specification for the TG-81 transmission bolt on a 2010-2018 Volvo V60 is 35-40 Nm (26-30 ft-lbs) in a star pattern. It's essential to follow the correct torque sequence to avoid damaging the transmission or surrounding components.

Q2

Why is it crucial to use the correct torque specification for the TG-81 transmission bolt?

Using the correct torque specification ensures the transmission bolt is properly secured, preventing damage to the transmission, engine, and surrounding components. Over-torquing can lead to stripped threads, while under-torquing can cause the bolt to come loose, resulting in costly repairs.

Q3

How often should I check the TG-81 transmission bolt torque specification?

It's recommended to check the TG-81 transmission bolt torque specification every 12,000 to 15,000 miles or when performing routine maintenance, such as oil changes or transmission fluid flushes. This ensures the bolt remains properly secured and helps prevent potential issues.

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 torque wrench for accurate bolt tightening

  • Range: 10-100 Nm
  • Accuracy: ±2%
Learn more

Socket Set

A set of sockets for various bolt sizes

  • Sizes: 10mm, 12mm, 14mm
  • Material: Chrome Vanadium
Learn more

Breaker Bar

A long breaker bar for added leverage

  • Length: 24 inches
  • Material: Steel
Learn more
Service Procedures

TG-81 Transmission Bolt Torque Specification

Procedure for tightening transmission bolts to specified torque

  • Locate the transmission bolts
  • Apply the recommended torque specification (see table)
  • Tighten the bolts in a star pattern to avoid uneven stress
View full procedure

Transmission Pan Removal and Installation

Procedure for removing and installing the transmission pan

  • Raise the vehicle and remove the transmission pan
  • Inspect and clean the pan and transmission case
  • Install the new pan and tighten the bolts to specified torque
View full procedure
Technical Service Bulletins

TG-81 Transmission Bolt Torque Specification Update

2015-02-15

Updated torque specification for transmission bolts

2010-2015 Volvo V60

Resolution: Update the torque specification to 40 Nm for all transmission bolts

Transmission Bolt Failure Due to Insufficient Torque

2012-08-20

Bolt failure due to insufficient torque application

2010-2012 Volvo V60

Resolution: Inspect and re-torque all transmission bolts to specified torque

About the Author

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Alan Montanye - Automotive Technical Specialist
ASE

Alan Montanye

Automotive Technical Specialist

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