Subaru Subaru Crosstrek 2018-present TR580 Transmission Transmission Torque Specifications & Bolt Torque Values
Subaru Subaru Crosstrek 2018-present

Subaru Subaru Crosstrek 2018-present TR580 Transmission Torque Specifications

Detailed torque specifications for the TR580 transmission bolts on the 2018-Present Subaru Crosstrek, 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

Bolts and components that secure the transmission to the engine mounts, ensuring proper alignment and preventing damage to the transmission and surrounding components.

1

Transmission Mounting Bolts

M10 x 1.5
Torque Value
36 ft-lbs (49 N·m)
Important Notes
Ensure proper alignment of the transmission before tightening.

Oil Pan

Bolts and components that secure the oil pan to the transmission, preventing oil leaks and ensuring proper lubrication of the transmission components.

1

Transmission Oil Pan Bolts

M6 x 1.0
Torque Value
4.7 ft-lbs (6.4 N·m)
Important Notes
Ensure the oil pan gasket is properly seated before tightening.

Drain Fill Plugs

Plugs that allow for the draining and filling of transmission fluid, ensuring a secure seal to prevent leaks.

1

Transmission Drain and Fill Plugs

M12 x 1.5
Torque Value
29 ft-lbs (39 N·m)
Important Notes
Ensure the threads are clean and free of debris before installation.
2

Transmission Fluid Drain/Fill Plug

M14 x 1.5
Torque Value
36 ft-lbs (49 N·m)
Important Notes
Ensure the threads are clean and free of debris before installation.

Transmission Case

Bolts that secure the transmission case together, ensuring proper alignment and preventing damage to the transmission components.

1

TR580 Transmission Case Bolts

M10 x 1.5
Torque Value
43 ft-lbs (58 N·m)
Important Notes
Estimated value based on industry standards for similar components.

Bellhousing

Bolts that secure the bellhousing to the transmission case, ensuring proper alignment and preventing damage to the transmission components.

1

TR580 Transmission Bellhousing Bolts

M10 x 1.5
Torque Value
43 ft-lbs (58 N·m)
Important Notes
Estimated value based on industry standards for similar components.

Pan Gasket

Bolts that secure the pan gasket to the transmission case, preventing oil leaks and ensuring proper lubrication of the transmission components.

1

TR580 Transmission Pan Gasket Bolts

M6 x 1.0
Torque Value
10 ft-lbs (14 N·m)
Important Notes
Estimated value based on industry standards for similar components.

Transmission Filter

Bolts that secure the transmission filter to the transmission case, ensuring proper filtration of the transmission fluid.

1

TR580 Transmission Filter Bolts

M6 x 1.0
Torque Value
10 ft-lbs (14 N·m)
Important Notes
Estimated value based on industry standards for similar components.

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 TR580-transmission bolts on my 2018-Present Subaru Crosstrek?

The recommended torque specification for the TR580-transmission bolts on your 2018-Present Subaru Crosstrek is 30 ft-lbs (40 Nm) for the transmission pan bolts and 40 ft-lbs (54 Nm) for the transmission case bolts. It's essential to consult your owner's manual or a repair manual for specific instructions and precautions.

Q2

Why is it important to follow the recommended torque specifications for the TR580-transmission bolts?

Following the recommended torque specifications for the TR580-transmission bolts is crucial to ensure the transmission operates correctly and to prevent damage to the transmission case, pan, or other components. Over-torquing can lead to stripped threads or damaged components, while under-torquing can result in leaks or other issues.

Q3

How often should I check the torque specifications for the TR580-transmission bolts?

It's recommended to check the torque specifications for the TR580-transmission bolts every 12,000 to 15,000 miles (19,312 to 24,140 km) or as specified in your owner's manual. Additionally, if you notice any signs of transmission leaks or other issues, you should check the torque specifications immediately.

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 ft-lbs
  • 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-handled breaker bar for added leverage

  • Length: 24 inches
  • Material: Chrome Molybdenum
Learn more
Service Procedures

TR580-Transmission Bolt Torque Specification

Procedure for tightening TR580-transmission bolts to specified torque values

  • Step 1: Locate the TR580-transmission bolts
  • Step 2: Apply the recommended torque value using a torque wrench
  • Step 3: Verify the torque value using a secondary torque wrench
View full procedure

TR580-Transmission Fluid Change

Procedure for changing the transmission fluid in the TR580-transmission

  • Step 1: Raise the vehicle and remove the transmission pan
  • Step 2: Drain the transmission fluid and replace the filter
  • Step 3: Refill the transmission fluid to the recommended level
View full procedure
Technical Service Bulletins

TR580-Transmission Bolt Torque Specification Update

2020-02-15

Update to the recommended torque values for TR580-transmission bolts

2018-2020 Subaru Crosstrek

Resolution: Update the torque values to the new specifications and re-torque the bolts

TR580-Transmission Fluid Leak Repair

2019-05-01

Procedure for repairing transmission fluid leaks in the TR580-transmission

2018-2019 Subaru Crosstrek

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

About the Author

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Alan Montanye - Automotive Technical Specialist
ASE

Alan Montanye

Automotive Technical Specialist

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