Acura TSX 2009-2014 Suspension Bolt Torque Specifications
Detailed torque specifications for all suspension bolts on the 2009-2014 Acura TSX. Includes front and rear suspension components.
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
Front Suspension
Torque specifications for front suspension components.
1 Strut/Shock Absorber Mounting Bolts
M10 x 1.25
Strut/Shock Absorber Mounting Bolts
M10 x 1.25Torque Value
Important Notes
2 Front Lower Strut Fork Pinch Bolt
M12 x 1.25
Front Lower Strut Fork Pinch Bolt
M12 x 1.25Torque Value
Important Notes
3 Front Shock Upper Mounting Nut
M8 x 1.25
Front Shock Upper Mounting Nut
M8 x 1.25Torque Value
Important Notes
4 Control Arm Bolts
M12 x 1.5
Control Arm Bolts
M12 x 1.5Torque Value
Important Notes
5 Ball Joint Nut
M12 x 1.25
Ball Joint Nut
M12 x 1.25Torque Value
Important Notes
6 Tie Rod End Nut
M12 x 1.25
Tie Rod End Nut
M12 x 1.25Torque Value
Important Notes
7 Sway Bar Link Nut
M10 x 1.25
Sway Bar Link Nut
M10 x 1.25Torque Value
Important Notes
8 Front Stabilizer Bar Mounting Bracket Bolts
M8 x 1.25
Front Stabilizer Bar Mounting Bracket Bolts
M8 x 1.25Torque Value
Important Notes
Rear Suspension
Torque specifications for rear suspension components.
1 Rear Upper Control Arm Mounting Bolts (Inner and Outer)
M10 x 1.25
Rear Upper Control Arm Mounting Bolts (Inner and Outer)
M10 x 1.25Torque Value
Important Notes
2 Rear Lower Control Arm Mounting Bolts (Inner and Outer)
M12 x 1.5
Rear Lower Control Arm Mounting Bolts (Inner and Outer)
M12 x 1.5Torque Value
Important Notes
3 Rear Trailing Arm Mounting Bolt (Chassis Side)
M12 x 1.5
Rear Trailing Arm Mounting Bolt (Chassis Side)
M12 x 1.5Torque Value
Important Notes
4 Rear Trailing Arm Mounting Bolt (Hub Side)
M12 x 1.5
Rear Trailing Arm Mounting Bolt (Hub Side)
M12 x 1.5Torque Value
Important Notes
5 Rear Stabilizer Bar Mounting Bracket Bolts
M8 x 1.25
Rear Stabilizer Bar Mounting Bracket Bolts
M8 x 1.25Torque Value
Important Notes
6 Rear Shock Lower Mounting Bolt
M12 x 1.5
Rear Shock Lower Mounting Bolt
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 is using the correct torque specification important for suspension bolts?
Why is using the correct torque specification important for suspension bolts?
Correct torque is critical for suspension bolt integrity. Under-torquing can lead to bolts loosening, causing component movement, noise, and potential failure. Over-torquing can stretch or break bolts, damage threads, or preload components incorrectly, resulting in premature wear, handling issues, and even component failure. Using a torque wrench ensures proper clamping force.
Q2 What type of torque wrench should I use?
What type of torque wrench should I use?
A click-type torque wrench is recommended for its accuracy and ease of use. Digital torque wrenches are also good but more expensive. Ensure your torque wrench is within its calibration range and always store it at its lowest setting to maintain accuracy.
Q3 Do I need to replace suspension bolts when working on the suspension?
Do I need to replace suspension bolts when working on the suspension?
It's highly recommended to replace torque-to-yield bolts. These bolts are designed to stretch upon tightening, and they can lose their clamping force if reused. Other bolts should also be inspected for damage (wear, rust, stretching). Consider replacing older bolts, especially after high-mileage or any severe impact to the suspension. If a bolt is corroded or has damaged threads, it should always be replaced. It’s best practice to follow your repair manual or manufacturer recommendations.
Q4 Should I lubricate suspension bolts before tightening?
Should I lubricate suspension bolts before tightening?
The general rule is to follow the service manual. Some bolts come with pre-applied thread locker, and some require it to be added, while others are installed dry. Applying lubrication when it’s not specified can alter the torque settings since the friction will be different. This can lead to over or under torquing the bolt. Never lubricate torque-to-yield bolts unless the manual specifically tells you to.
Q5 What happens if I don't have the exact torque spec?
What happens if I don't have the exact torque spec?
If you don't have the exact specification, it's strongly recommended to stop and find it in the official service manual or trusted database. Guessing or using a generic torque setting can be dangerous. Incorrect torque can result in component damage, premature wear, and/or dangerous situations such as wheel separation.
Q6 How often should I check my suspension bolts?
How often should I check my suspension bolts?
Regularly inspect suspension components for wear and damage. For high-mileage vehicles, check suspension bolts during tire rotation or any other maintenance where you're working around those areas. If you notice any unusual noises or handling issues, it is good practice to check the torque on the suspension bolts as the first course of action. Consider a suspension check-up at least once a year or following manufacturer recommendations.
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 (1/2-inch drive)
A calibrated torque wrench is essential for accurately tightening suspension bolts to their specified torque values.
- Wide torque range to cover all suspension fasteners
- Click-type or digital readout for accuracy
Torque Wrench (3/8-inch drive)
A smaller calibrated torque wrench is useful for lower torque applications on suspension components.
- Appropriate torque range for smaller fasteners
- Click-type or digital readout for accuracy
Socket Set (Metric)
A comprehensive set of metric sockets is needed to fit various suspension bolt head sizes.
- Includes sizes typically found on Honda/Acura vehicles
- Both standard and deep well sockets
Wrench Set (Metric)
A set of metric wrenches for holding nuts and tightening hard to reach bolts.
- Includes common metric sizes found on suspensions
- Combination wrenches
Breaker Bar
A long breaker bar provides additional leverage for loosening stubborn suspension bolts.
- Durable construction
- 1/2-inch drive
Jack and Jack Stands
Required for safely lifting and supporting the vehicle during suspension work.
- Appropriate weight rating for vehicle
- Sturdy construction
Service Procedures
Front Lower Control Arm Bolt Torque
Procedure for torquing the front lower control arm bolts on the 2009-2014 Acura TSX. This includes the front mounting bolt, the rear mounting bolt, and the ball joint pinch bolt.
- 1. Raise and support the vehicle securely on jack stands.
- 2. Locate the front lower control arm bolts.
- 3. Using the appropriate socket, begin by tightening the front lower control arm mounting bolt to 98 Nm (72 lb-ft).
- 4. Then tighten the rear lower control arm mounting bolt to 98 Nm (72 lb-ft).
- 5. Tighten the lower ball joint pinch bolt to 54 Nm (40 lb-ft).
- 6. Lower the vehicle and recheck the torque after a short drive.
Rear Upper Control Arm Bolt Torque
Procedure for torquing the rear upper control arm bolts on the 2009-2014 Acura TSX. This includes the two inner mounting bolts.
- 1. Raise and support the vehicle securely on jack stands.
- 2. Locate the rear upper control arm bolts.
- 3. Using the appropriate socket, tighten both rear upper control arm mounting bolts to 74 Nm (55 lb-ft).
- 4. Lower the vehicle and recheck the torque after a short drive.
Rear Lower Control Arm Bolt Torque
Procedure for torquing the rear lower control arm bolts on the 2009-2014 Acura TSX. This includes the two inner mounting bolts and the lower shock bolt.
- 1. Raise and support the vehicle securely on jack stands.
- 2. Locate the rear lower control arm bolts.
- 3. Using the appropriate socket, tighten both inner rear lower control arm mounting bolts to 74 Nm (55 lb-ft).
- 4. Tighten the lower shock bolt to 74 Nm (55 lb-ft).
- 5. Lower the vehicle and recheck the torque after a short drive.
Front Strut Upper Mounting Bolt Torque
Procedure for torquing the front strut upper mounting bolts on the 2009-2014 Acura TSX.
- 1. Raise and support the vehicle securely on jack stands.
- 2. Locate the front strut upper mounting bolts.
- 3. Using the appropriate socket, tighten all three strut upper mounting bolts to 49 Nm (36 lb-ft).
- 4. Lower the vehicle and recheck the torque after a short drive.
Rear Shock Upper Mounting Bolt Torque
Procedure for torquing the rear shock upper mounting bolts on the 2009-2014 Acura TSX.
- 1. Raise and support the vehicle securely on jack stands.
- 2. Locate the rear shock upper mounting bolts.
- 3. Using the appropriate socket, tighten both shock upper mounting bolts to 49 Nm (36 lb-ft).
- 4. Lower the vehicle and recheck the torque after a short drive.
Technical Service Bulletins
Suspension Noise After Alignment
2012-03-15Some 2009-2014 TSX models may exhibit a clunking or popping noise from the front suspension after a wheel alignment if bolts were not properly torqued or loosened/retightened in the right order.
Resolution: Ensure all suspension bolts are tightened to the correct torque specifications and in the correct order, particularly the front lower control arm bolts after adjustments.
Rear Suspension Clunking
2010-11-20Reports of clunking noises from the rear suspension, particularly when going over bumps, may be caused by loose upper or lower control arm bolts.
Resolution: Inspect and re-torque all rear suspension control arm bolts and shock mount bolts to the proper torque specifications.
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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.