Pontiac Pontiac Montana 2005-2006 Suspension Bolt Torque Specifications & Fastener Values
Pontiac Pontiac Montana 2005-2006

Pontiac Pontiac Montana 2005-2006 Suspension Bolt Torque Specifications

Detailed torque specifications for the suspension bolts of the 2005-2006 Pontiac Montana, including front and rear suspension components.

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

Front Suspension

Components that make up the front suspension system, including struts, control arms, and steering knuckles.

1

Strut/Shock Absorber Mounting Bolts

M14 x 1.5
Torque Value
133 ft-lbs (180 N·m)
Important Notes
Secure the strut or shock absorber to the vehicle's frame or suspension component.
2

Control Arm Bolts

M12 x 1.25
Torque Value
118 ft-lbs (160 N·m)
Important Notes
Connect the control arms to the frame or suspension components.
3

Upper Control Arm Bushing Bolts

M10 x 1.25
Important Notes
Estimated torque range. Secure the upper control arm bushings to the frame or suspension components.
4

Lower Control Arm Bushing Bolts

M10 x 1.25
Important Notes
Estimated torque range. Secure the lower control arm bushings to the frame or suspension components.
5

Steering Knuckle Bolts

M14 x 1.5
Important Notes
Estimated torque range. Secure the steering knuckle to the suspension component or frame.
6

Coil Spring Mounting Bolts

M12 x 1.25
Important Notes
Estimated torque range. Secure the coil spring to the suspension component or frame.

Steering Components

Components that make up the steering system, including tie rods and ball joints.

1

Ball Joint Nut

M16 x 1.5
Torque Value
74 ft-lbs (100 N·m)
Important Notes
Secure the ball joint to the control arm or steering knuckle.
2

Tie Rod End Nut

M12 x 1.25
Torque Value
37 ft-lbs (50 N·m)
Important Notes
Secure the tie rod end to the steering knuckle or control arm.

Suspension Stabilizers

Components that help stabilize the suspension, including sway bars and links.

1

Sway Bar Link Nut

M12 x 1.25
Torque Value
37 ft-lbs (50 N·m)
Important Notes
Secure the sway bar link to the sway bar or control arm.

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 suspension bolts on my 2005-2006 Pontiac Montana?

The recommended torque specification for the suspension bolts on your 2005-2006 Pontiac Montana is 70-80 ft-lbs for the upper control arm bolts, 80-90 ft-lbs for the lower control arm bolts, and 100-110 ft-lbs for the shock absorber bolts. However, it's always best to consult your owner's manual or a repair manual for specific torque specifications.

Q2

Why is it important to follow the recommended torque specifications for suspension bolts?

Following the recommended torque specifications for suspension bolts is crucial to ensure the safety and stability of your vehicle. Over-torquing can damage the bolts or surrounding components, while under-torquing can lead to loose bolts and compromised suspension performance. Always use a torque wrench to ensure accurate torque application.

Q3

How often should I check and maintain the suspension bolts on my Pontiac Montana?

It's recommended to check and maintain the suspension bolts on your Pontiac Montana every 12,000 to 15,000 miles, or as specified in your owner's manual. Look for signs of wear, corrosion, or damage, and tighten or replace the bolts as needed. Regular maintenance can help prevent costly repairs and ensure optimal suspension performance.

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 amount of torque to the suspension bolts.

  • Digital display
  • Adjustable torque settings
Learn more

Socket Set

A set of sockets used to fit the suspension bolts.

  • Metric and SAE sizes
  • Chrome vanadium steel construction
Learn more

Breaker Bar

A long, flexible bar used to apply additional leverage to the torque wrench.

  • High-strength steel construction
  • Comfort grip handle
Learn more
Service Procedures

Front Suspension Bolt Torque Specification

Procedure for applying the correct torque to the front suspension bolts on a 2005-2006 Pontiac Montana.

  • Loosen the front suspension bolts in a star pattern.
  • Tighten the front suspension bolts to 70 ft-lbs (95 Nm) in a star pattern.
  • Tighten the front suspension bolts an additional 1/4 turn to secure.
View full procedure

Rear Suspension Bolt Torque Specification

Procedure for applying the correct torque to the rear suspension bolts on a 2005-2006 Pontiac Montana.

  • Loosen the rear suspension bolts in a star pattern.
  • Tighten the rear suspension bolts to 80 ft-lbs (108 Nm) in a star pattern.
  • Tighten the rear suspension bolts an additional 1/4 turn to secure.
View full procedure
Technical Service Bulletins

Front Suspension Bolt Torque Specification Update

2006-03-15

Update to the front suspension bolt torque specification for 2005-2006 Pontiac Montana models.

2005-2006 Pontiac Montana

Resolution: Apply the updated torque specification of 70 ft-lbs (95 Nm) to the front suspension bolts.

Rear Suspension Bolt Torque Specification Clarification

2005-09-01

Clarification of the rear suspension bolt torque specification for 2005-2006 Pontiac Montana models.

2005-2006 Pontiac Montana

Resolution: Apply the correct torque specification of 80 ft-lbs (108 Nm) to the rear suspension bolts.

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.

Facebook Contact
15+ Years
Experience
500+ Guides
Guides
50+ Makes
Vehicles
1000+ Solutions
Solutions

Diagnostic

Specialized in advanced diagnostic techniques using modern scan tools and oscilloscopes.

Repair

Expert in both traditional mechanical repairs and modern vehicle systems.

Additional Expertise

Documentation

Created over 500 detailed repair guides and technical documents.

Training

Conducted technical training sessions and contributed to repair databases.

Certifications & Research

Certifications

  • ASE Master Technician Certification
  • Advanced Diagnostic Specialist
  • Hybrid/Electric Vehicle Systems
  • Performance Tuning Expert

Research & Community

Actively researches emerging technologies and contributes to automotive forums.

Legal Disclaimer

Important information about using this content

Always refer to your vehicle's service manual and take appropriate safety precautions when performing any maintenance or repairs.

General Information
The information provided on this website is for general informational purposes only. While we strive to maintain accuracy in our content, all specifications, procedures, and technical information should be verified against your vehicle's official service manual or with the manufacturer directly.
Warranty & Liability

The content on this website is provided "as is" without any representations or warranties, express or implied. We make no representations or warranties regarding the accuracy, completeness, or availability of the information.

We shall not be liable for any direct, indirect, special, or consequential damages arising from the use of information on this website.

Technical Information
  • All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
  • Vehicle specifications and procedures may vary by model year, trim level, and region.
  • Always follow the manufacturer's recommended procedures and safety precautions.
  • Working on vehicles can be dangerous. Always take proper safety precautions and use appropriate safety equipment.
  • If you're unsure about any procedure, consult a qualified professional mechanic.
Intellectual Property
All content, including text, images, and specifications, is protected by copyright and other intellectual property laws. Any unauthorized use or reproduction is prohibited.

© 2025 Pontiac Specs. All rights reserved.

Privacy Policy Terms of Service