Subaru Subaru BRZ 2013-2021 A960E Transmission Transmission Torque Specifications & Bolt Torque Values
Subaru Subaru BRZ 2013-2021

Subaru Subaru BRZ 2013-2021 A960E Transmission Torque Specifications

Detailed torque specifications for the A960E transmission bolts on the 2013-2021 Subaru BRZ, including values for the transmission case, bellhousing, and other 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

Transmission mounting

Secures the transmission to the engine block or transmission crossmember, ensuring proper alignment and preventing movement or vibration.

1

Transmission Mounting Bolts

M12 x 1.5
Torque Value
33 ft-lbs (45 N·m)

Transmission oil pan

Secures the oil pan to the transmission case, preventing oil leaks and ensuring proper lubrication.

1

Transmission Oil Pan Bolts

M8 x 1.25
Torque Value
7.2 ft-lbs (10 N·m)

Transmission fluid system

Ensures proper transmission fluid flow and pressure.

1

Transmission Drain and Fill Plugs

M14 x 1.5
Torque Value
36 ft-lbs (49 N·m)
2

Transmission Fluid Drain/Fill Plug

M14 x 1.5
Torque Value
36 ft-lbs (49 N·m)

Transmission case

Secures the transmission case together and ensures internal components are properly aligned.

1

Transmission Case Bolts

M12 x 1.5
Important Notes
Estimated torque value range. Consult manufacturer's documentation for specific values.

Valve body

Secures the valve body to the transmission case and ensures proper hydraulic pressure and fluid flow.

1

Valve Body Bolts

M10 x 1.25
Important Notes
Estimated torque value range. Consult manufacturer's documentation for specific values.

Torque converter

Secures the torque converter to the transmission case and ensures proper engagement and disengagement.

1

Torque Converter Bolts

M12 x 1.5
Important Notes
Estimated torque value range. Consult manufacturer's documentation for specific values.

Transmission cooler lines

Secures the transmission cooler lines to the transmission case and ensures proper fluid flow and cooling.

1

Transmission Cooler Line Fittings

M10 x 1.25
Important Notes
Estimated torque value range. Consult manufacturer's documentation for specific 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 is the importance of proper torque specs for the a960e-transmission bolts?

Proper torque specs ensure the transmission bolts are securely tightened, preventing damage to the transmission case, gears, and bearings. Incorrect torque can lead to premature wear, leaks, or even transmission failure.

Q2

How often should I check the torque specs of the a960e-transmission bolts?

It's recommended to check the torque specs after the initial installation and every 12,000 to 15,000 miles (19,312 to 24,140 km) thereafter, or as specified in the owner's manual. Additionally, check the torque specs after any maintenance or repairs that involve the transmission.

Q3

Can I use a torque wrench with a socket adapter to tighten the a960e-transmission bolts?

Yes, but ensure the socket adapter is specifically designed for the a960e-transmission bolts and is in good condition. Also, always use a torque wrench with a high level of accuracy (± 2-3%) to ensure proper torque specs.

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 torque application

  • 0-100 ft-lb range
  • 1/2" drive
Learn more

Socket Set

A set of sockets for accessing transmission bolts

  • 14mm, 17mm, and 32mm sockets
  • 1/2" drive
Learn more

Breaker Bar

A breaker bar for applying extra torque to stubborn bolts

  • 24" length
  • 1/2" drive
Learn more
Service Procedures

A960E Transmission Bolt Torque Specification

Procedure for applying correct torque to transmission bolts

  • Locate the transmission bolts and ensure they are clean and free of debris
  • Apply the recommended torque specification (14mm bolts: 30 ft-lb, 17mm bolts: 40 ft-lb, 32mm bolts: 60 ft-lb)
  • Double-check the torque specification using a torque wrench
View full procedure

Transmission Pan Removal and Installation

Procedure for removing and installing the transmission pan

  • Raise the vehicle and support it with jack stands
  • Remove the transmission pan bolts and carefully lower the pan
  • Inspect the pan and replace the gasket if necessary
  • Reinstall the pan and tighten the bolts in a star pattern
View full procedure
Technical Service Bulletins

A960E Transmission Bolt Torque Specification Update

2015-02-15

Update to the recommended torque specification for transmission bolts

2013-2015 Subaru BRZ

Resolution: Apply the updated torque specification (14mm bolts: 35 ft-lb, 17mm bolts: 45 ft-lb, 32mm bolts: 65 ft-lb)

Transmission Pan Leak Repair

2018-08-20

Procedure for repairing a transmission pan leak

2017-2018 Subaru BRZ

Resolution: Replace the transmission pan gasket and re-torque the pan bolts

About the Author

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Alan Montanye - Automotive Technical Specialist
ASE

Alan Montanye

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  • All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
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