Buick Rainier 2004-2007 Body Panel & Frame Bolt Torque Specifications
Buick Rainier 2004-2007

Buick Rainier 2004-2007 Body & Frame Bolt Torque Specifications

Detailed torque specifications for body bolts on the 2004-2007 Buick Rainier, including locations and recommended torque values.

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

Bumper Fascia

Torque specifications for the front and rear bumper fascia and related components.

1

Bumper Fascia Retaining Bolts (Front and Rear)

M6 x 1.0
Torque Value
10 ft-lbs (13.5 N·m)
Important Notes
Estimated based on similar GM Truck/SUV applications and common fastener sizes. These bolts secure the plastic bumper fascia to the underlying structure, typically located along the top, sides and bottom edges of the bumper. Correct torque prevents cracking of the fascia and maintains a secure fit.
2

Bumper Reinforcement Bolts

M10 x 1.5
Torque Value
30 ft-lbs (40.7 N·m)
Important Notes
Estimated based on similar GM Truck/SUV applications. These bolts secure the steel bumper reinforcement to the vehicle frame, usually located behind the bumper fascia. Proper torque ensures that the bumper provides the intended level of collision protection.

Lighting

Torque specifications for the headlight and taillight assemblies.

1

Headlight Assembly Mounting Bolts/Screws

M6 x 1.0
Torque Value
6.67 ft-lbs (9 N·m)
Important Notes
Based on similar model/year GM SUV standard specification. These bolts/screws secure the headlight assembly to the vehicle's front structure. Prevents light vibration/movement and ensures proper beam alignment.
2

Taillight Assembly Mounting Bolts/Screws

M5 x 0.8
Torque Value
5.83 ft-lbs (8 N·m)
Important Notes
Based on similar model/year GM SUV standard specification. These bolts/screws secure the taillight assembly to the body. Prevents light vibration/movement and maintains a secure fit.

Hood

Torque specifications for the hood, hinges, and latch components.

1

Hood Hinge Bolts to Hood

M8 x 1.25
Torque Value
20 ft-lbs (27 N·m)
Important Notes
Estimated based on GM Truck/SUV applications and typical bolt size. These bolts secure the hood to the hinges, allowing it to open and close correctly. Proper torque is crucial for hood alignment and smooth operation.
2

Hood Hinge Bolts to Body

M8 x 1.25
Torque Value
25 ft-lbs (34 N·m)
Important Notes
Estimated based on GM Truck/SUV applications and typical bolt size. These bolts secure the hood hinges to the vehicle body. They need to be torqued correctly to prevent misalignment and ensure a secure connection for safe hood operation.
3

Hood Latch Mounting Bolts

M6 x 1.0
Torque Value
15 ft-lbs (20 N·m)
Important Notes
Estimated based on GM Truck/SUV applications and typical bolt size. These bolts secure the hood latch to the vehicle's core support. Correct torque ensures the latch operates correctly and the hood is held securely closed.

Doors

Torque specifications for door hinges, latches, and handles.

1

Door Hinge Bolts to Door

M10 x 1.5
Torque Value
30 ft-lbs (40.7 N·m)
Important Notes
Estimated based on GM Truck/SUV applications and typical bolt size. These bolts secure the door hinges to the door itself. It's critical that these are torqued to specification to prevent door sag and ensure smooth operation.
2

Door Hinge Bolts to Body

M10 x 1.5
Torque Value
35 ft-lbs (47 N·m)
Important Notes
Estimated based on GM Truck/SUV applications and typical bolt size. These bolts secure the door hinges to the vehicle body. These must be torqued correctly to prevent door sagging, ensure proper door alignment, and enable smooth operation.
3

Door Latch Striker Plate Bolts

M8 x 1.25
Torque Value
18 ft-lbs (24.4 N·m)
Important Notes
Estimated based on GM Truck/SUV applications and typical bolt size. These bolts secure the striker plate to the door frame. Proper torque ensures the door latches securely.
4

Door Handle Mounting Bolts/Screws (Outer)

M5 x 0.8
Torque Value
6.67 ft-lbs (9 N·m)
Important Notes
Based on similar model/year GM SUV standard specification. These bolts/screws secure the exterior door handles. They should be tight enough to prevent the handle from moving, but not over-tightened, which could damage the plastic housing.
5

Door Handle Mounting Bolts/Screws (Inner/Interior Panel)

M5 x 0.8
Torque Value
4.17 ft-lbs (5.6 N·m)
Important Notes
Based on similar model/year GM SUV standard specification. These bolts/screws secure the interior door handles and trim pieces. They should be torqued correctly to secure paneling and keep everything neat without damaging panels.

Fenders

Torque specifications for fender mounting bolts.

1

Fender Mounting Bolts

M8 x 1.25
Torque Value
12 ft-lbs (16.3 N·m)
Important Notes
Estimated based on GM Truck/SUV applications and typical bolt size. These bolts secure the fenders to the vehicle body. They need to be properly tightened to prevent movement and maintain proper alignment.

Core Support

Torque specifications for the radiator core support mounting bolts.

1

Radiator Core Support Bolts

M10 x 1.5
Torque Value
28 ft-lbs (38 N·m)
Important Notes
Estimated based on GM Truck/SUV applications and typical bolt size. These bolts secure the radiator core support to the frame and fenders. This is a key structural component; proper torque is critical for vehicle safety.

Grille

Torque specifications for the grille mounting hardware.

1

Grille Mounting Screws/Bolts

M5 x 0.8
Torque Value
4.17 ft-lbs (5.6 N·m)
Important Notes
Based on similar model/year GM SUV standard specification. These secure the grille to the vehicle's front end.

Liftgate

Torque specifications for the rear hatch/liftgate hinges.

1

Rear Hatch/Liftgate Hinge Bolts (to Hatch)

M8 x 1.25
Torque Value
20 ft-lbs (27 N·m)
Important Notes
Estimated based on GM Truck/SUV applications and typical bolt size. These bolts secure the liftgate to the hinge assembly. Must be correctly torqued to prevent liftgate misalignment and ensure smooth operation.
2

Rear Hatch/Liftgate Hinge Bolts (to Body)

M8 x 1.25
Torque Value
25 ft-lbs (34 N·m)
Important Notes
Estimated based on GM Truck/SUV applications and typical bolt size. These bolts secure the liftgate hinge assembly to the body. Must be correctly torqued to prevent liftgate misalignment and ensure smooth operation.

Seats

Torque specifications for the front and rear seat mounting bolts.

1

Seat Mounting Bolts (Front and Rear)

M10 x 1.5
Torque Value
30 ft-lbs (40.7 N·m)
Important Notes
*Safety Critical* These bolts secure the seats to the vehicle's floor pan. It is crucial to torque these bolts to specification to maintain seat security and safety in the event of a collision. A criss-cross pattern is recommended for tightening.

Seatbelts

Torque specifications for seatbelt mounting bolts (anchors).

1

Seatbelt Mounting Bolts (Anchors)

M10 x 1.5
Torque Value
30 ft-lbs (40.7 N·m)
Important Notes
*Safety Critical* These bolts secure the seatbelt assemblies to the vehicle body. It is essential these are torqued correctly, as they're a critical safety component.

Steering Column

Torque specifications for steering column mounting bolts.

1

Steering Column Mounting Bolts

M8 x 1.25
Torque Value
22 ft-lbs (30 N·m)
Important Notes
*Safety Critical*. These bolts secure the steering column assembly to the vehicle's frame/cowl. Proper torque is vital for safe and accurate steering control.

Instrument Panel

Torque specifications for instrument panel/dashboard mounting bolts.

1

Instrument Panel/Dashboard Mounting Bolts

M6 x 1.0
Torque Value
10 ft-lbs (13.5 N·m)
Important Notes
Estimated based on GM Truck/SUV applications and typical bolt size. These bolts secure the instrument panel/dashboard to the vehicle’s structure. Correct torque prevents rattles and movement.

Body Mounts

Torque specifications for body mount bolts.

1

Body Mount Bolts (To Frame)

M12 x 1.75
Torque Value
70 ft-lbs (95 N·m)
Important Notes
Estimated based on GM Truck/SUV applications and typical bolt size. These are critical bolts that secure the body to the frame. Correct torque is crucial for vehicle stability, handling, and overall safety.

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

Why are body bolt torque specifications important?

Proper torque is crucial for ensuring body panels and components are securely fastened without being over-tightened. Over-tightening can damage the threads, deform the panel, or cause stress fractures. Under-tightening can lead to rattles, misalignment, and potential part detachment, especially during driving. Using the correct torque specification prevents these issues, ensuring structural integrity and safety.

Q2

What happens if I over-torque a body bolt?

Over-torquing a body bolt can lead to several problems, including stripping the threads in the body panel or the bolt itself, causing the bolt to weaken, or deforming the mounting surface. This can make it difficult to remove the bolt later, damage surrounding components, and compromise the integrity of the panel's attachment. In severe cases, the bolt may snap.

Q3

What happens if I under-torque a body bolt?

Under-torquing a body bolt can lead to the bolt loosening over time due to vibration or normal use. This can cause rattles, squeaks, misalignment of body panels, and even potential detachment of the component or panel, creating a safety risk. It can also place undue stress on other fasteners nearby. For example, an under-torqued bumper bolt might come loose after driving over potholes.

Q4

Can I reuse body bolts?

Generally, reusing body bolts is acceptable *if* they are in good condition and are not torque-to-yield (TTY) bolts. Inspect each bolt for signs of stretching, thread damage, or corrosion. If any damage is present, replace the bolt. Always use the correct type of bolt for each specific location as different bolts may have different strengths and specifications. If you are unsure, it is best to replace the bolts with new ones, especially for critical areas.

Q5

Do I need a special torque wrench for body bolts?

While a basic wrench can tighten a bolt, a torque wrench is essential for accurately tightening body bolts to the manufacturer-specified torque value. Using a torque wrench ensures consistent and correct clamping force. This precision is crucial for safety and structural integrity. A click-type torque wrench is most common, but a beam type or digital torque wrench may also be used for more precise measurements, especially for components needing very low torque values.

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 (1/2 inch drive)

A calibrated torque wrench is essential for accurately tightening body bolts to the manufacturer's specifications. A 1/2 inch drive is typically required for the larger fasteners used in body assembly.

  • Accurate torque application
  • Click-style or digital display
  • Range covering typical body bolt torque specs
Learn more

Torque Wrench (3/8 inch drive)

A calibrated torque wrench is essential for accurately tightening body bolts to the manufacturer's specifications. A 3/8 inch drive may be used for smaller body fasteners.

  • Accurate torque application
  • Click-style or digital display
  • Range covering typical body bolt torque specs
Learn more

Socket Set (Standard & Metric)

A comprehensive socket set with both standard and metric sizes is necessary to fit various body bolts and fasteners.

  • Variety of socket sizes
  • 6-point and 12-point sockets
  • Deep and shallow socket options
Learn more

Extension Bars

Extension bars of varying lengths to reach bolts in hard-to-access areas.

  • Varying lengths
  • Allows access to recessed bolts
  • Durable construction
Learn more

Universal Joint

A universal joint (swivel adapter) to reach body bolts that are not in a straight line.

  • Allows angled socket application
  • Durable construction
Learn more
Service Procedures

General Body Bolt Torque Procedure

This procedure outlines the general steps for tightening body bolts to the correct torque specification on a 2004-2007 Buick Rainier. Always consult the service manual for specific values.

  • 1. Identify the specific body bolt and its corresponding torque specification from the service manual.
  • 2. Select the appropriate socket and attach it to the torque wrench.
  • 3. If needed, attach an extension or universal joint to reach the bolt.
  • 4. Set the torque wrench to the specified torque value.
  • 5. Place the socket securely on the bolt head.
  • 6. Tighten the bolt slowly and smoothly until the torque wrench clicks or indicates the set value has been reached. Do not overtighten.
  • 7. Double-check all bolts for correct torque after installation.
View full procedure

Hood Hinge Bolt Torque Procedure

Procedure to tighten the hood hinge bolts to the correct specification on the 2004-2007 Buick Rainier

  • 1. Open the hood and support it securely.
  • 2. Locate the hood hinge bolts.
  • 3. Check the service manual for torque specifications. It is important to note the different torque specs between the hinge to body bolts and hinge to hood bolts.
  • 4. Use the correct socket to tighten the hinge to body bolts to specification.
  • 5. Tighten the hinge to hood bolts to their torque specifications.
  • 6. Lower the hood and check for proper alignment.
View full procedure

Fender Bolt Torque Procedure

Procedure to tighten the fender bolts to the correct specification on the 2004-2007 Buick Rainier

  • 1. Locate all bolts that secure the fender to the vehicle.
  • 2. Check the service manual for the proper torque specifications for the various bolt locations.
  • 3. Tighten all fender bolts to the specified torque value using the appropriate tools.
  • 4. Recheck to ensure proper torque has been applied to all fasteners.
View full procedure
Technical Service Bulletins

Body Panel Alignment Issues Due to Improper Torque

2006-05-15

Some 2004-2007 Buick Rainier models may experience body panel misalignment or looseness due to improper torque applied to body bolts during assembly or repair. This can lead to premature wear of fasteners.

2004-2007 Buick Rainier

Resolution: Ensure all body bolts are tightened to the manufacturer's specified torque values using a calibrated torque wrench. Refer to the service manual for accurate torque specifications. Inspect and replace worn or damaged bolts.

Corrosion on Body Mounting Bolts

2007-01-20

Corrosion on body mounting bolts can lead to incorrect torque readings and eventual bolt failure. This is especially common on vehicles that see winter driving conditions with salt exposure.

2004-2007 Buick Rainier

Resolution: During any body work, inspect all mounting bolts for corrosion. Clean corroded bolts with a wire brush before reusing. Replace severely corroded or damaged bolts. Consider applying anti-seize to all body bolts to prevent future corrosion.

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 Buick Specs. All rights reserved.

Privacy Policy Terms of Service