Mitsubishi Mitsubishi Raider 2006-2009 545RFE Transmission Transmission Torque Specifications & Bolt Torque Values
Mitsubishi Mitsubishi Raider 2006-2009

Mitsubishi Mitsubishi Raider 2006-2009 545RFE Transmission Torque Specifications

Detailed torque specifications for the 545RFE transmission bolts in the 2006-2009 Mitsubishi Raider

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 vehicle's frame or crossmember, ensuring proper alignment and preventing vibration.

1

Transmission Mounting Bolts

M10 x 1.5
Torque Value
45 ft-lbs (61 N·m)
Important Notes
Ensure bolts are tightened in a crisscross pattern to avoid misalignment.

Oil Pan

Bolts and components that secure the transmission oil pan to the transmission housing, ensuring a proper seal to prevent fluid leaks.

1

Transmission Oil Pan Bolts

M6 x 1.0
Torque Value
8.75 ft-lbs (12 N·m)
Important Notes
Torque values are converted from inch-lbs to ft-lbs for consistency.

Fluid Management

Plugs and fittings that allow for the draining, filling, and cooling of transmission fluid, ensuring proper fluid levels and pressure.

1

Transmission Drain and Fill Plugs

M12 x 1.75
Torque Value
27 ft-lbs (37 N·m)
Important Notes
Ensure plugs are properly sealed to prevent fluid leaks.
2

Transmission Cooler Line Fittings

M14 x 1.5
Torque Value
20 ft-lbs (27 N·m)
Important Notes
Ensure fittings are properly aligned to prevent leaks.

Drivetrain Connection

Bolts and nuts that secure the drive axles, drive shaft, and CV joints to the transmission, ensuring proper power transfer and alignment.

1

Drive Axle/Half Shaft Bolts

M10 x 1.5
Torque Value
60 ft-lbs (81 N·m)
Important Notes
Ensure bolts are tightened in a star pattern to avoid misalignment.
2

Propeller/Drive Shaft Bolts

M10 x 1.5
Torque Value
60 ft-lbs (81 N·m)
Important Notes
Ensure bolts are tightened in a star pattern to avoid misalignment.
3

CV Joint/Axle Nut

M24 x 1.5
Torque Value
185 ft-lbs (251 N·m)
Important Notes
Ensure the nut is properly seated to prevent axle disengagement.

Starter Motor

Bolts that secure the starter motor to the transmission housing, ensuring proper alignment with the flywheel for reliable engine starting.

1

Starter Motor Mounting Bolts

M8 x 1.25
Torque Value
35 ft-lbs (47 N·m)
Important Notes
Ensure the starter motor is properly aligned with the flywheel.

Torque Converter

Bolts that secure the torque converter to the flexplate, ensuring proper power transfer from the engine to the transmission.

1

Torque Converter Bolts

M8 x 1.25
Torque Value
35 ft-lbs (47 N·m)
Important Notes
Ensure the torque converter is properly aligned with the flexplate.

Bellhousing

Bolts that secure the transmission bellhousing to the engine block, ensuring proper alignment and sealing between the engine and transmission.

1

Transmission Bellhousing Bolts

M10 x 1.5
Torque Value
35 ft-lbs (47 N·m)
Important Notes
Ensure the bellhousing is properly aligned with the engine block.

Valve Body

Bolts that secure the valve body and solenoid pack to the transmission case, ensuring proper fluid flow and shifting operation.

1

Transmission Valve Body Bolts

M6 x 1.0
Torque Value
8.75 ft-lbs (12 N·m)
Important Notes
Torque values are converted from inch-lbs to ft-lbs for consistency.
2

Transmission Solenoid Pack Bolts

M6 x 1.0
Torque Value
8.75 ft-lbs (12 N·m)
Important Notes
Torque values are converted from inch-lbs to ft-lbs for consistency.

Shift Linkage

Bolts that secure the shift linkage to the transmission, ensuring proper gear selection and shifting operation.

1

Transmission Shift Linkage Bolts

M8 x 1.25
Torque Value
20 ft-lbs (27 N·m)
Important Notes
Ensure the shift linkage is properly aligned with the transmission.

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 545RFE transmission?

Proper torque specs ensure the transmission's internal components are securely fastened, preventing damage, leaks, and premature wear. Incorrect torque can lead to costly repairs, reduced performance, and even transmission failure.

Q2

How often should I check the transmission bolt torque specs?

It's recommended to check the torque specs after the initial installation, and then every 12,000 to 15,000 miles or as specified in the owner's manual. This ensures the bolts remain tightened to the correct specification, even after normal wear and tear.

Q3

Can I use a torque wrench with a socket extension to tighten the transmission bolts?

Yes, but be cautious not to apply excessive force, which can damage the transmission case or strip the threads. Use a high-quality torque wrench with a socket extension that is specifically designed for the task, and always follow the manufacturer's instructions.

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: 10-150 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, flexible bar for applying extra torque

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

Torque Converter Bolt Replacement

Procedure for replacing the torque converter bolts on a 545RFE transmission

  • Remove the transmission pan and filter
  • Locate the torque converter bolts
  • Remove the old bolts and replace with new ones
  • Tighten the new bolts to the specified torque value (30 ft-lbs)
  • Reinstall the transmission pan and filter
View full procedure

Transmission Pan Bolt Replacement

Procedure for replacing the transmission pan bolts on a 545RFE transmission

  • Remove the transmission pan and filter
  • Locate the transmission pan bolts
  • Remove the old bolts and replace with new ones
  • Tighten the new bolts to the specified torque value (20 ft-lbs)
  • Reinstall the transmission pan and filter
View full procedure
Technical Service Bulletins

545RFE Transmission Bolt Torque Specification Update

2008-02-15

Update to the torque specifications for the 545RFE transmission bolts

2006-2009 Mitsubishi Raider

Resolution: Use the updated torque specifications (30 ft-lbs for torque converter bolts, 20 ft-lbs for transmission pan bolts)

545RFE Transmission Leak Repair

2007-05-01

Procedure for repairing leaks in the 545RFE transmission

2006-2009 Mitsubishi Raider

Resolution: Replace the leaking seal or gasket and re-torque the transmission bolts to the specified value

About the Author

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Alan Montanye - Automotive Technical Specialist
ASE

Alan Montanye

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