Acura NSX 2016-present Body & Frame Bolt Torque Specifications
Detailed torque specifications for body bolts on the 2016-present Acura NSX, including frame, panel, and component mounting points. These specs are essential for proper reassembly and structural integrity.
Important Information
Safety guidelines and reference information for proper torque application
Safety First
- Always verify torque specifications with your vehicle's factory service manual
- Use properly calibrated torque wrenches
- Replace all torque-to-yield (TTY) bolts - they are single-use only
- When in doubt, consult a professional mechanic
Quick Reference Guide
Quick Reference Guide
Common Torque Patterns
Star Pattern
Used for wheels and other circular bolt patterns
Cross Pattern
Used for gaskets and cover plates
Sequential Pattern
Used for head bolts and other critical components
Common Mistakes to Avoid
Common Mistakes to Avoid
Over-tightening
Exceeding the specified torque value can stretch or break fasteners, damage threads, or crack components.
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.
Follow the manufacturer's specified torque sequence pattern.
Dirty Threads
Dirt, rust, or old thread locker can affect torque readings and proper fastener tension.
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.
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.
Check if specs are for dry or lubricated threads. Use specified lubricant when required.
Recommended Tools
Recommended Tools
Torque Wrench (1/4" Drive)
Torque Wrench (3/8" Drive)
Torque Wrench (1/2" Drive)
Angle Gauge
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
Body mounting
Components that secure the body panels to the vehicle's frame.
1 Front Bumper Mounting Bolts
M12 x 1.5
Front Bumper Mounting Bolts
M12 x 1.5Torque Value
Important Notes
2 Rear Bumper Mounting Bolts
M12 x 1.5
Rear Bumper Mounting Bolts
M12 x 1.5Torque Value
Important Notes
3 Hood Hinge Bolts
M10 x 1.5
Hood Hinge Bolts
M10 x 1.5Important Notes
4 Trunk Lid Hinge Bolts
M10 x 1.5
Trunk Lid Hinge Bolts
M10 x 1.5Important Notes
5 Door Hinge Bolts
M12 x 1.5
Door Hinge Bolts
M12 x 1.5Torque Value
6 Fender Mounting Bolts
M10 x 1.5
Fender Mounting Bolts
M10 x 1.5Torque Value
7 Quarter Panel Mounting Bolts
M10 x 1.5
Quarter Panel Mounting Bolts
M10 x 1.5Torque Value
8 Roof Panel Mounting Bolts
M12 x 1.5
Roof Panel Mounting Bolts
M12 x 1.5Torque Value
9 Windshield Mounting Bolts
M12 x 1.5
Windshield Mounting Bolts
M12 x 1.5Torque Value
10 Rear Window Mounting Bolts
M10 x 1.5
Rear Window Mounting Bolts
M10 x 1.5Torque Value
Suspension and steering
Components that secure the suspension and steering systems to the vehicle's frame.
1 Front Suspension Mounting Bolts
M14 x 1.5
Front Suspension Mounting Bolts
M14 x 1.5Torque Value
Important Notes
2 Rear Suspension Mounting Bolts
M14 x 1.5
Rear Suspension Mounting Bolts
M14 x 1.5Torque Value
Important Notes
3 Steering Column Mounting Bolts
M12 x 1.5
Steering Column Mounting Bolts
M12 x 1.5Torque Value
Important Notes
Troubleshooting Guide
Common issues, diagnostic steps, and prevention guidelines
Common Issues
Bolt stretching, stripped threads, uneven torque patterns
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
Diagnostic Steps
Visual inspection, torque verification, thread assessment
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
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
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
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 torque specifications important for body bolts?
Why are torque specifications important for body bolts?
Proper torque is crucial for the structural integrity and safety of the vehicle. Over-tightening can damage bolts, threads, or the panels themselves leading to stress fractures, while under-tightening can lead to loosening of components, vibrations, and potential part detachment. Precise torque ensures even clamping force and long-term reliability.
Q2 What happens if I over-torque a body bolt?
What happens if I over-torque a body bolt?
Over-torquing can stretch or weaken the bolt, potentially causing it to fail later. It can also deform the body panel, especially if the panel is made of aluminum or composite materials common on the NSX. In extreme cases, you could even strip the threads in the panel or mounting point, requiring costly repairs. Imagine using an impact wrench to tighten a delicate aluminum panel bolt – that is a recipe for disaster.
Q3 Can I use a standard torque wrench for all body bolts?
Can I use a standard torque wrench for all body bolts?
Yes, a properly calibrated torque wrench that covers the specified torque ranges for the body bolts is appropriate. Always double-check the wrench’s calibration and set the torque values according to the service manual, never by feel. While impact wrenches can be used for initial tightening, final torque must always be done with a calibrated torque wrench.
Q4 Where can I find the correct torque specifications for my 2016-Present Acura NSX?
Where can I find the correct torque specifications for my 2016-Present Acura NSX?
The most reliable source for torque specifications is the official Acura NSX service manual or the information system used by Acura technicians. Consult the specific section detailing body panel assembly. Third-party online resources can be helpful, but should always be cross-referenced against the official documentation as they may contain errors or incomplete information.
Q5 Do I need to replace body bolts after removing them?
Do I need to replace body bolts after removing them?
Generally, body bolts can be reused if they are not damaged, stretched, or corroded. However, some bolts, particularly those used for critical structural components or where thread-locking compound is used, may be recommended for replacement according to the service manual. When reusing bolts, always ensure threads are clean. The Acura service manual will indicate bolts that are designated 'one time use'.
Environmental Considerations
Temperature, humidity, and seasonal effects on torque specifications
Temperature Effects
Includes: High Heat, Cold Weather, Thermal Cycling
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
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
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 (1/4" Drive)
A calibrated torque wrench is essential for accurately applying torque to smaller body fasteners.
- Accurate torque measurement
- Audible click or digital readout
- 1/4" drive for small sockets and bits
Torque Wrench (3/8" Drive)
A calibrated torque wrench suitable for the majority of body fasteners.
- Accurate torque measurement
- Audible click or digital readout
- 3/8" drive for common socket sizes
Socket Set (Metric)
A comprehensive set of metric sockets, including various depths and sizes for accessing all body bolts.
- Variety of sizes (6mm - 19mm or larger)
- Standard and deep sockets
- Durable construction
Extension Bars
Extension bars of different lengths aid in accessing recessed or hard-to-reach bolts.
- Varying lengths for flexibility
- Secure locking mechanism
- Durable construction
Service Procedures
Body Panel Fastener Torque Inspection
Procedure for checking and correcting the torque of bolts on body panels such as fenders, bumpers, doors and quarter panels. This procedure ensures panels are securely attached and prevents rattles or misalignment.
- Locate the specific body panel fastener.
- Consult the Acura service manual for the correct torque specification.
- Set the torque wrench to the specified torque value.
- Apply the torque wrench to the fastener and ensure proper engagement.
- Tighten the fastener until the torque wrench clicks or indicates the set torque value.
- Repeat for all fasteners on the panel.
- Visually check panel alignment and fitment.
Front Bumper Cover Removal and Installation
Procedure to remove and reinstall the front bumper cover. Includes bolt torquing.
- Disconnect any wiring for lighting elements attached to the bumper.
- Remove screws or fasteners holding the bumper cover to the body.
- Carefully detach the bumper cover from the vehicle.
- Reinstall the bumper cover, aligning all mounting points correctly.
- Install all screws or fasteners.
- Torque all fasteners to the specified value per Acura service manual.
- Reconnect any wiring for lighting elements.
Side Skirt/Rocker Panel Installation and Removal
Procedure to remove and reinstall side skirts or rocker panels. Includes torque specs for bolts.
- Locate all screws, clips and fasteners.
- Remove all screws, clips and fasteners securing the side skirt to the body.
- Carefully detach the side skirt from the vehicle.
- Reinstall the side skirt, aligning all mounting points correctly.
- Install all screws or fasteners.
- Torque all fasteners to the specified value per Acura service manual.
- Verify proper fitment of panel.
Technical Service Bulletins
Potential Loose Body Panel Fasteners
2017-05-15Some 2016-2017 NSX models may exhibit loose fasteners on body panels due to variations in manufacturing. This bulletin outlines proper inspection and re-torquing procedures.
Resolution: Inspect all body panel fasteners. Apply proper torque to all fasteners according to the service manual.
Front Bumper Cover Alignment Issues
2018-12-10This bulletin addresses reports of front bumper cover alignment issues on some 2017-2018 NSX models. It provides instructions for correct removal and re-installation procedures, including proper fastener torquing to achieve optimal alignment.
Resolution: Remove the front bumper cover. Inspect all mounting points. Re-install with correct torque settings, paying careful attention to panel alignment.
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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.