Infiniti QX60 2014-present ZF 9HP Transmission Transmission Torque Specifications & Bolt Torque Values
Infiniti QX60 2014-present

Infiniti QX60 2014-present ZF 9HP Transmission Torque Specifications

Detailed torque specifications for the ZF-9HP transmission bolts in the 2014-Present Infiniti QX60. Includes all critical bolt tightening values for proper installation and maintenance.

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 or transmission crossmember.

1

Transmission Mounting Bolts

M12 x 1.5
Torque Value
36 ft-lbs (49 N·m)
Important Notes
Estimated average value from 32-40 ft-lbs (43-54 Nm) range.

Transmission oil pan

This subsystem includes the bolts that secure the oil pan to the transmission.

1

Transmission Oil Pan Bolts

M8 x 1.25
Torque Value
7 ft-lbs (9 N·m)
Important Notes
Estimated average value from 6-8 ft-lbs (8-11 Nm) range.

Transmission fluid system

This subsystem includes the plugs and bolts that allow for the draining and filling of transmission fluid.

1

Transmission Drain and Fill Plugs

M14 x 1.5
Torque Value
33 ft-lbs (45 N·m)
Important Notes
Estimated average value from 29-37 ft-lbs (39-50 Nm) range.
2

Transmission Fluid Drain/Fill Plug

M14 x 1.5
Torque Value
33 ft-lbs (45 N·m)
Important Notes
Estimated average value from 29-37 ft-lbs (39-50 Nm) range.

Zf-9hp transmission bellhousing

This subsystem includes the bolts that secure the bellhousing to the transmission case.

1

ZF-9HP Transmission Bellhousing Bolts

M16 x 1.5
Torque Value
45 ft-lbs (61 N·m)
Important Notes
Estimated average value from 40-50 ft-lbs (54-68 Nm) range.

Zf-9hp transmission valve body

This subsystem includes the bolts that secure the valve body to the transmission case.

1

ZF-9HP Transmission Valve Body Bolts

M10 x 1.25
Torque Value
12 ft-lbs (16 N·m)
Important Notes
Estimated average value from 10-15 ft-lbs (14-20 Nm) range.

Zf-9hp transmission pan gasket

This subsystem includes the bolts that secure the pan gasket to the transmission case.

1

ZF-9HP Transmission Pan Gasket Bolts

M8 x 1.25
Torque Value
12 ft-lbs (16 N·m)
Important Notes
Estimated average value from 10-15 ft-lbs (14-20 Nm) range.

Zf-9hp transmission filter

This subsystem includes the bolts that secure the transmission filter to the transmission case.

1

ZF-9HP Transmission Filter Bolts

M8 x 1.25
Torque Value
12 ft-lbs (16 N·m)
Important Notes
Estimated average value from 10-15 ft-lbs (14-20 Nm) range.

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 ZF-9HP transmission bolts in a 2014-Present Infiniti QX60?

The torque specifications for the ZF-9HP transmission bolts vary depending on the specific bolt and its location. For example, the transmission pan bolts typically require 8-10 Nm (6-7 ft-lbs), while the bellhousing bolts may require 25-30 Nm (18-22 ft-lbs). Always refer to the manufacturer's service manual for precise torque values.

Q2

How often should I check the torque on the ZF-9HP transmission bolts?

It is recommended to check the torque on the ZF-9HP transmission bolts during routine maintenance or after any major service involving the transmission. For example, after replacing the transmission fluid or servicing the transmission pan, ensure all bolts are torqued to the correct specifications to prevent leaks or damage.

Q3

Can I reuse the transmission bolts on the ZF-9HP?

Reusing transmission bolts is generally not recommended, especially for critical components like the bellhousing or torque converter bolts. These bolts are often designed to stretch during installation, and reusing them can lead to improper torque and potential failure. Always consult the service manual to determine if bolts are reusable or if new ones are required.

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

A precision tool for applying accurate torque to bolts.

  • Adjustable torque settings
  • Digital display for precise readings
Learn more

Torque Angle Gauge

Used to measure the angle of rotation when tightening bolts.

  • Magnetic base for easy attachment
  • Clear angle markings
Learn more

Thread Locker

A chemical compound used to secure bolts and prevent loosening.

  • High-strength formula
  • Resistant to vibration and temperature changes
Learn more
Service Procedures

ZF-9HP Transmission Bolt Torque Application

Detailed steps for applying the correct torque to ZF-9HP transmission bolts.

  • Clean the bolt threads and mating surfaces to ensure proper torque application.
  • Apply a small amount of thread locker to the bolt threads if required.
  • Use a digital torque wrench to tighten the bolts to the manufacturer's specified torque value.
  • Use a torque angle gauge to apply the final angle tightening as specified in the service manual.
  • Double-check all bolts to ensure they are properly torqued.
View full procedure

ZF-9HP Transmission Fluid Replacement

Procedure for replacing the transmission fluid in the ZF-9HP system.

  • Raise the vehicle and secure it on a lift or jack stands.
  • Remove the transmission fluid pan to drain the old fluid.
  • Replace the transmission filter and clean the pan.
  • Reinstall the pan with new gaskets and tighten bolts to the specified torque.
  • Refill the transmission with the recommended fluid type and quantity.
View full procedure
Technical Service Bulletins

ZF-9HP Transmission Bolt Torque Specification Update

2022-05-15

Updated torque specifications for ZF-9HP transmission bolts to address potential loosening issues.

2014-2023 Infiniti QX60

Resolution: Follow the updated torque specifications and use thread locker as recommended.

ZF-9HP Transmission Fluid Leak TSB

2021-08-10

Technical service bulletin addressing fluid leaks in the ZF-9HP transmission system.

2014-2020 Infiniti QX60

Resolution: Inspect and replace faulty seals or gaskets, and ensure proper torque application on all bolts.

About the Author

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Alan Montanye - Automotive Technical Specialist
ASE

Alan Montanye

Automotive Technical Specialist

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