Mitsubishi Mitsubishi Raider 2006-2009 Fuel System Bolt Torque Specifications & Line Fittings
Mitsubishi Mitsubishi Raider 2006-2009

Mitsubishi Mitsubishi Raider 2006-2009 Fuel System Bolt Torque Specifications

Detailed specifications for the fuel bolt torque of the 2006-2009 Mitsubishi Raider, including recommended values and tightening patterns.

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

Fuel rail and injectors

Components securing the fuel rail and injectors to the engine, ensuring proper fuel delivery and engine performance.

1

Fuel Rail Bolts

M10 x 1.5
Torque Value
9.4 ft-lbs (12 N·m)
2

Fuel Injector Bolts

M10 x 1.5
Torque Value
9.4 ft-lbs (12 N·m)
3

Fuel Injector O-Ring Seals

M6 x 1
Important Notes
Estimated torque values based on general industry standards.

Fuel pump and filter

Components securing the fuel pump and filter to the fuel tank or engine block, ensuring proper fuel supply and filtration.

1

Fuel Pump Mounting Bolts

M12 x 1.75
Torque Value
10 ft-lbs (14 N·m)
2

Fuel Filter Bolt/Nut

M12 x 1.5
Torque Value
9.4 ft-lbs (12 N·m)

Fuel tank and filler neck

Components securing the fuel tank and filler neck to the vehicle's frame, ensuring proper fuel tank positioning and preventing fuel leaks.

1

Fuel Tank Strap Bolts

M14 x 2
Torque Value
30 ft-lbs (41 N·m)
2

Fuel Filler Neck Bolts

M12 x 1.75
Torque Value
30 ft-lbs (41 N·m)

Fuel pressure regulator and electrical connectors

Components securing the fuel pressure regulator and electrical connectors to the fuel rail or engine block, ensuring proper fuel pressure regulation and engine performance.

1

Fuel Pressure Regulator Mounting Bolts

M10 x 1.5
Important Notes
Estimated torque values based on general industry standards.
2

Fuel Pump Electrical Connector Bolts

M6 x 1
Important Notes
Estimated torque values based on general 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 fuel bolt on a 2006-2009 Mitsubishi Raider?

The recommended torque specification for the fuel bolt on a 2006-2009 Mitsubishi Raider is 30-40 ft-lbs (40-54 Nm). It's essential to consult the owner's manual or a repair manual for specific instructions, as over-torquing can damage the fuel system.

Q2

Why is it important to follow the correct torque specification for the fuel bolt?

Following the correct torque specification ensures a secure connection between the fuel bolt and the fuel system, preventing leaks and maintaining proper fuel pressure. Over-torquing can damage the threads, while under-torquing can lead to loose connections and potential fuel leaks.

Q3

How often should I check and maintain the fuel bolt torque on my Mitsubishi Raider?

It's recommended to check the fuel bolt torque every 12,000 to 15,000 miles (19,312 to 24,140 km) or as specified in the owner's manual. Additionally, inspect the fuel system for any signs of leaks or damage, and address any issues promptly to prevent further damage.

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 applying accurate torque values

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

Socket Set

A set of sockets for accessing fuel system bolts

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

Fuel System Pressure Test Kit

A kit for testing fuel system pressure

  • Includes pressure gauge and adapters
  • Range: 0-100 psi
Learn more
Service Procedures

Fuel Bolt Torque Specification

Procedure for applying correct torque values to fuel system bolts

  • Locate the fuel system bolts
  • Clean the bolts and surrounding area
  • Apply the recommended torque value using a torque wrench
  • Verify the torque value using a torque wrench
View full procedure

Fuel System Pressure Test

Procedure for testing fuel system pressure

  • Connect the fuel system pressure test kit to the fuel system
  • Turn the ignition switch to the 'on' position
  • Take a pressure reading using the pressure gauge
  • Compare the reading to the recommended specification
View full procedure
Technical Service Bulletins

Fuel Bolt Torque Specification Update

2008-02-15

Update to the fuel bolt torque specification for 2006-2009 Mitsubishi Raider models

2006-2009 Mitsubishi Raider

Resolution: Apply the updated torque value of 30 ft-lbs to the fuel system bolts

Fuel System Pressure Test Procedure Update

2007-08-20

Update to the fuel system pressure test procedure for 2006-2009 Mitsubishi Raider models

2006-2009 Mitsubishi Raider

Resolution: Use the updated fuel system pressure test kit and procedure to ensure accurate pressure readings

About the Author

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Alan Montanye - Automotive Technical Specialist
ASE

Alan Montanye

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