Infiniti I30 2000-2004 Brake System Bolt Torque Specifications & Fastener Values
Infiniti I30 2000-2004

Infiniti I30 2000-2004 Brake System Bolt Torque Specifications

Detailed torque specifications for brake bolts on the 2000-2004 Infiniti I30, ensuring proper installation and safety.

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

Brake Caliper

This subsystem includes components related to the brake caliper, which houses the brake pads and applies pressure to the brake rotor.

1

Brake Caliper Bolts

M10 x 1.25
Torque Value
28 ft-lbs (38 N·m)
Important Notes
Torque value is an average estimate based on typical M10 x 1.25 bolts used in brake caliper applications.
2

Brake Caliper Mounting Bracket Bolts

M12 x 1.5
Torque Value
90 ft-lbs (122 N·m)
Important Notes
Torque value is an average estimate based on typical M12 x 1.5 bolts used in heavy-duty applications.

Brake Rotor Drum

This subsystem includes components related to the brake rotor (disc) or drum, which provide the friction surface for the brake pads or shoes.

1

Brake Disc/Drum Retaining Bolts

M8 x 1.25
Torque Value
50 ft-lbs (68 N·m)
Important Notes
Torque value is an average estimate based on typical M8 x 1.25 bolts used in brake rotor/drum applications.

Brake Hydraulics

This subsystem includes components related to the hydraulic system, which transfers brake fluid pressure from the master cylinder to the calipers or wheel cylinders.

1

Brake Hose Banjo Bolt

M10 x 1.0
Torque Value
19 ft-lbs (26 N·m)
Important Notes
Torque value is an average estimate based on typical M10 x 1.0 bolts used in brake hose applications.
2

Brake Master Cylinder Mounting Bolts

M8 x 1.25
Torque Value
16 ft-lbs (22 N·m)
Important Notes
Torque value is an average estimate based on typical M8 x 1.25 bolts used in master cylinder applications.

Brake Pedal Booster

This subsystem includes components related to the brake pedal and brake booster, which amplify the force applied to the master cylinder.

1

Brake Booster Mounting Bolts

M8 x 1.25
Torque Value
16 ft-lbs (22 N·m)
Important Notes
Torque value is an average estimate based on typical M8 x 1.25 bolts used in brake booster applications.
2

Brake Pedal Assembly Bolts

M8 x 1.25
Torque Value
16 ft-lbs (22 N·m)
Important Notes
Torque value is an average estimate based on typical M8 x 1.25 bolts used in pedal assembly applications.

Wheel Assembly

This subsystem includes components related to the wheel assembly, which holds the brake rotor/drum and connects the vehicle to the road.

1

Wheel Lug Nuts

M12 x 1.5
Torque Value
80 ft-lbs (108 N·m)
Important Notes
Torque value is an average estimate based on typical M12 x 1.5 lug nuts used in wheel applications.

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 brake caliper bolts on a 2000-2004 Infiniti I30?

The brake caliper bolts on a 2000-2004 Infiniti I30 should be torqued to 25-30 Nm (Newton meters). Always use a calibrated torque wrench to ensure proper tightening and avoid over-torquing, which can damage the bolts or caliper.

Q2

How often should I check the torque on my brake system components?

It’s recommended to check the torque on brake system components, including caliper bolts, during routine maintenance or after any brake-related repairs. For example, if you’ve recently replaced brake pads or rotors, verify the torque to ensure safety and proper function.

Q3

What happens if brake bolts are not torqued correctly?

Incorrect torque can lead to serious issues. Under-torquing may cause bolts to loosen, leading to caliper misalignment or brake failure. Over-torquing can damage threads, weaken bolts, or even crack components, compromising the entire braking system.

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 used to apply a specific torque to a fastener such as a bolt or nut.

  • Adjustable torque settings
  • Durable construction for accurate readings
Learn more

Breaker Bar

A long-handled tool used to loosen tight bolts and nuts.

  • Extra leverage for tough bolts
  • Durable steel construction
Learn more

Socket Set

A set of sockets in various sizes to fit different bolts and nuts.

  • Includes both metric and standard sizes
  • Durable chrome vanadium steel
Learn more
Service Procedures

Brake Caliper Bolt Torque Specification

Procedure to properly torque the brake caliper bolts on a 2000-2004 Infiniti I30.

  • Ensure the vehicle is on a flat surface and the parking brake is engaged.
  • Remove the wheel to access the brake caliper.
  • Use a torque wrench to tighten the brake caliper bolts to the specified torque of 26-32 ft-lbs (35-43 Nm).
  • Reinstall the wheel and lower the vehicle.
View full procedure

Brake Rotor Bolt Torque Specification

Procedure to properly torque the brake rotor bolts on a 2000-2004 Infiniti I30.

  • Ensure the vehicle is on a flat surface and the parking brake is engaged.
  • Remove the wheel to access the brake rotor.
  • Use a torque wrench to tighten the brake rotor bolts to the specified torque of 58-72 ft-lbs (78-98 Nm).
  • Reinstall the wheel and lower the vehicle.
View full procedure
Technical Service Bulletins

Brake System Noise and Vibration

2002-05-15

Some 2000-2004 Infiniti I30 models may experience noise or vibration from the brake system.

2000-2004 Infiniti I30

Resolution: Inspect the brake rotors for warping and replace if necessary. Ensure all bolts are torqued to the correct specifications.

Brake Caliper Bolt Loosening

2003-08-22

Reports of brake caliper bolts loosening over time on certain 2000-2004 Infiniti I30 models.

2000-2004 Infiniti I30

Resolution: Apply thread locker to the brake caliper bolts and torque to the specified 26-32 ft-lbs (35-43 Nm).

About the Author

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Alan Montanye - Automotive Technical Specialist
ASE

Alan Montanye

Automotive Technical Specialist

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