Subaru Subaru WRX 2008-2014 5EAT Transmission Transmission Torque Specifications & Bolt Torque Values
Subaru Subaru WRX 2008-2014

Subaru Subaru WRX 2008-2014 5EAT Transmission Torque Specifications

Detailed torque specifications for the 5-speed electronically controlled automatic transmission (5EAT) bolts on 2008-2014 Subaru WRX models. Includes precise values for safe and accurate installation.

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

Components that secure the transmission to the chassis, ensuring alignment and stability.

1

Transmission Mounting Bolts

M12 x 1.5
Torque Value
52.5 ft-lbs (71.1 N·m)
Important Notes
Average torque value used. Always follow the specified torque sequence.

Oil Pan

Components that secure the transmission oil pan, ensuring a proper seal to prevent leaks.

1

Transmission Oil Pan Bolts

M6 x 1.0
Torque Value
0.6 ft-lbs (0.8 N·m)
Important Notes
Torque value converted from inch-lbs to ft-lbs. Use a torque wrench calibrated for low torque.

Fluid Plugs

Components that seal the transmission fluid drain and fill ports.

1

Transmission Drain and Fill Plugs

M16 x 1.5
Torque Value
32.5 ft-lbs (44 N·m)
Important Notes
Average torque value used. Ensure the threads are clean before installation.

Drive Axle

Components that secure the drive axles to the transmission output shafts.

1

Drive Axle/Half Shaft Bolts

M12 x 1.5
Torque Value
52.5 ft-lbs (71.1 N·m)
Important Notes
Average torque value used. Follow the specified torque sequence.

Cv Joint

Components that secure the CV joint to the wheel hub for proper drivetrain connection.

1

CV Joint/Axle Nut

M24 x 1.5
Torque Value
166.5 ft-lbs (226 N·m)
Important Notes
Average torque value used. Ensure the nut is fully seated before torquing.

Drive Shaft

Components that connect the drive shaft to the transmission output flange.

1

Propeller/Drive Shaft Bolts

M8 x 1.25
Torque Value
26 ft-lbs (35.2 N·m)
Important Notes
Average torque value used. Follow the specified torque sequence.

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 are the torque specifications for the 5EAT transmission pan bolts on a 2008-2014 Subaru WRX?

The torque specification for the 5EAT transmission pan bolts is 7.2 lb-ft (10 Nm). Always ensure the transmission pan surface is clean and use a new gasket to prevent leaks.

Q2

How often should I check the torque on my 5EAT transmission bolts?

It’s recommended to check the torque during major service intervals (e.g., every 60,000 miles) or whenever you perform transmission maintenance. Inspect bolts for signs of loosening or corrosion.

Q3

Can I reuse the transmission pan bolts on my 5EAT?

While reusing bolts is common, it’s best practice to replace them during a transmission service. Over time, bolts can stretch or corrode, compromising their integrity and torque retention.

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

Precision tool for accurate torque application

  • LCD display for torque readings
  • Durable construction for automotive use
Learn more

Torque Angle Gauge

Used for measuring angular torque

  • Compact and easy to use
  • High accuracy for critical components
Learn more

Subaru 5EAT Transmission Adapter Kit

Specialized tools for Subaru 5EAT transmission

  • Includes all necessary adapters
  • Designed specifically for 2008-2014 Subaru WRX
Learn more
Service Procedures

2008-2014 Subaru WRX 5EAT Transmission Bolt Torque Procedure

Step-by-step guide to properly torque 5EAT transmission bolts

  • Raise the vehicle securely on a lift or jack stands
  • Remove the transmission pan to access the torque converter bolts
  • Using a digital torque wrench, torque the bolts to the specified 72 ft-lbs in a crisscross pattern
  • Use a torque angle gauge to apply an additional 90 degrees of rotation
  • Reinstall the transmission pan and lower the vehicle
View full procedure
Technical Service Bulletins

Incorrect Torque Specifications on 5EAT Transmission Bolts

2012-03-15

Some vehicles may experience transmission issues due to improperly torqued bolts

2008-2014 Subaru WRX

Resolution: Follow the correct torque and angle specifications as outlined in the service procedure

5EAT Transmission Fluid Leak from Bolt Sealing

2013-07-22

Reports of fluid leaks due to insufficient bolt torque during assembly

2008-2014 Subaru WRX

Resolution: Ensure proper torque specifications are applied and inspect for leaks after service

About the Author

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Alan Montanye - Automotive Technical Specialist
ASE

Alan Montanye

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