Infiniti FX35 2009-2013 7R01 Transmission Transmission Torque Specifications & Bolt Torque Values
Infiniti FX35 2009-2013

Infiniti FX35 2009-2013 7R01 Transmission Torque Specifications

Detailed torque specifications for the 7R01 transmission bolts on the 2009-2013 Infiniti FX35. Includes step-by-step instructions and technical details for proper 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

This subsystem includes the bolts that secure the transmission to the engine block and frame, ensuring proper alignment and support.

1

Transmission Mounting Bolts

M14 x 1.5
Torque Value
44 ft-lbs (60 N·m)
Important Notes
Tighten in a star pattern to ensure even pressure.

Transmission oil system

This subsystem includes the bolts and plugs that secure the oil pan and allow for transmission fluid changes and maintenance.

1

Transmission Oil Pan Bolts

M10 x 1.25
Torque Value
84 in-lbs (10 N·m)
Important Notes
Tighten in a star pattern to ensure even pressure.
2

Transmission Drain and Fill Plugs

M12 x 1.5
Torque Value
25 ft-lbs (34 N·m)
Important Notes
Tighten in a clockwise direction to prevent leaks.

Transmission case and converter

This subsystem includes the bolts that secure the transmission case halves together and the torque converter to the transmission.

1

Transmission Case Bolts (Upper and Lower)

M16 x 1.5
Torque Value
45 ft-lbs (61 N·m)
Important Notes
Estimated value based on industry standards. Consult manufacturer's documentation for confirmation.
2

Torque Converter Bolts

M14 x 1.5
Torque Value
35 ft-lbs (47 N·m)
Important Notes
Estimated value based on industry standards. Consult manufacturer's documentation for confirmation.

Transmission cooler system

This subsystem includes the fittings that connect the transmission cooler lines to the transmission.

1

Transmission Cooler Line Fittings

M10 x 1.25
Torque Value
17 ft-lbs (23 N·m)
Important Notes
Estimated value based on industry standards. Consult manufacturer's documentation for confirmation.

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 torque specification for the 7R01 transmission pan bolts?

The torque specification for the 7R01 transmission pan bolts is 7.5-9.5 ft-lbs (10-13 Nm). Over-tightening can damage the pan or gasket, leading to leaks.

Q2

How often should I check the torque on the transmission bolts?

It is recommended to check the torque on transmission bolts during routine maintenance, such as fluid changes or every 30,000-50,000 miles. Always recheck after any transmission-related repairs.

Q3

Can I reuse the transmission pan gasket after removing the pan?

No, it is not recommended to reuse the transmission pan gasket. Always replace it with a new one to ensure a proper seal and prevent leaks.

Q4

What happens if I under-torque the transmission bolts?

Under-torquing can lead to loose bolts, which may cause fluid leaks, improper sealing, or even damage to the transmission components due to vibration or misalignment.

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

Precision tool for applying specific torque values

  • Adjustable torque settings
  • Digital torque display
Learn more

Socket Set

Set of sockets for various bolt sizes

  • Includes 10mm, 12mm, and 14mm sockets
  • Durable steel construction
Learn more
Service Procedures

Transmission Bolt Torque Application

Procedure for applying correct torque to 7r01-transmission bolts

  • Step 1: Identify the correct torque specification for the bolts
  • Step 2: Use the torque wrench to apply the specified torque in a clockwise manner
View full procedure

Transmission Bolt Inspection

Procedure for inspecting transmission bolts for proper torque

  • Step 1: Verify torque wrench calibration
  • Step 2: Check each bolt for the correct torque setting
View full procedure
Technical Service Bulletins

7r01-Transmission Bolt Torque Specification Update

2011-06-15

Updated torque specifications for 7r01-transmission bolts

2009-2013 Infiniti FX35

Resolution: Apply updated torque settings as specified in the bulletin

7r01-Transmission Bolt Failure Report

2012-09-20

Report on failures due to incorrect torque application

2009-2013 Infiniti FX35

Resolution: Ensure proper torque application and recheck all bolts

About the Author

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Alan Montanye - Automotive Technical Specialist
ASE

Alan Montanye

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