Infiniti Q60 2017-present Fuel System Bolt Torque Specifications & Line Fittings
Infiniti Q60 2017-present

Infiniti Q60 2017-present Fuel System Bolt Torque Specifications

Detailed torque specifications for the fuel system bolts on the 2017-Present Infiniti Q60, including fuel rail, fuel injector, and fuel pump bolts.

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 injector system

This subsystem includes the fuel rail, fuel injectors, and related components that deliver fuel to the engine's cylinders.

1

Fuel Rail Bolts

M12 x 1.5
Torque Value
15 ft-lbs (20 N·m)
Important Notes
Estimated average torque value from the given range.
2

Fuel Injector Bolts

M10 x 1.25
Torque Value
9 ft-lbs (12 N·m)
Important Notes
Estimated average torque value from the given range.
3

Fuel Injector Rail Bolts

M12 x 1.5
Torque Value
15 ft-lbs (20 N·m)
Important Notes
Estimated average torque value from the given range.

Fuel pump and filter system

This subsystem includes the fuel pump, fuel filter, and related components that supply fuel to the engine.

1

Fuel Pump Mounting Bolts

M14 x 1.75
Torque Value
20 ft-lbs (27 N·m)
Important Notes
Estimated average torque value from the given range.
2

Fuel Filter Bolt/Nut

M16 x 2.0
Torque Value
26 ft-lbs (35 N·m)
Important Notes
Estimated average torque value from the given range.

Fuel tank and filler system

This subsystem includes the fuel tank, fuel filler neck, and related components that store and supply fuel to the engine.

1

Fuel Tank Strap Bolts

M18 x 2.5
Torque Value
30 ft-lbs (41 N·m)
Important Notes
Estimated average torque value from the given range.
2

Fuel Filler Neck Bolts

M10 x 1.25
Torque Value
8 ft-lbs (11 N·m)
Important Notes
Estimated average torque value from the given range.

Fuel pressure regulator and line system

This subsystem includes the fuel pressure regulator, fuel lines, and related components that regulate fuel pressure and supply fuel to the engine.

1

Fuel Pressure Regulator Mounting Bolts

M12 x 1.5
Torque Value
12 ft-lbs (16 N·m)
Important Notes
Estimated torque value based on general industry standards.
2

Fuel Line Fittings

M10 x 1.25
Torque Value
12 ft-lbs (16 N·m)
Important Notes
Estimated torque value 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 rail bolts on a 2017-Present Infiniti Q60?

The recommended torque specification for the fuel rail bolts on a 2017-Present Infiniti Q60 is 8.7 ft-lbs (12 Nm). Always refer to the manufacturer's service manual for the most accurate and up-to-date specifications.

Q2

Can I reuse the fuel rail bolts after removal?

It is generally recommended to replace the fuel rail bolts after removal, as they are often torque-to-yield (TTY) bolts designed for one-time use. Reusing them can compromise the integrity of the fuel system and lead to leaks or other issues.

Q3

What happens if I over-torque the fuel rail bolts?

Over-torquing the fuel rail bolts can damage the threads on the bolts or the fuel rail, leading to fuel leaks, improper sealing, or even component failure. Always use a calibrated torque wrench to ensure proper torque application.

Q4

How often should I check the torque on the fuel rail bolts?

The torque on the fuel rail bolts should be checked during routine maintenance or if you notice any signs of fuel leaks, unusual engine performance, or after any work involving the fuel system. Regular inspections are key to maintaining system integrity.

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 tool for applying specific torque values to bolts.

  • Adjustable torque settings
  • Digital display for accuracy
Learn more

Fuel Bolt Socket

A specialized socket designed for fuel system bolts.

  • Compatible with standard torque wrench
  • Durable construction for repeated use
Learn more
Service Procedures

Fuel Bolt Torque Application

Detailed procedure for applying the correct torque to fuel system bolts.

  • Ensure the engine is off and the fuel system is depressurized.
  • Use the torque wrench with the fuel bolt socket to apply the specified torque value.
View full procedure

Fuel System Safety Check

Procedure to ensure the fuel system is safe before torque application.

  • Inspect the fuel system for leaks or damage.
  • Confirm all safety protocols are in place before proceeding.
View full procedure
Technical Service Bulletins

Fuel Bolt Torque Specification Update

2022-03-15

Updated torque specifications for fuel system bolts in the Infiniti Q60.

2017-Present Infiniti Q60

Resolution: Apply the updated torque values as specified in the latest service manual.

Fuel System Integrity Check

2021-08-10

Bulletin outlining the importance of regular checks on the fuel system integrity.

2017-Present Infiniti Q60

Resolution: Perform regular inspections and follow the updated service procedures.

About the Author

Expert automotive knowledge and experience

Alan Montanye - Automotive Technical Specialist
ASE

Alan Montanye

Automotive Technical Specialist

ASE Master Certified Technician with over a decade of hands-on experience in automotive repair and diagnostics.

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