how to repair Tesla Model S Original (2012-2020) rear suspension noise

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

516 words

Problem Statement

Learn how to diagnose and repair rear suspension noise in Tesla Model S (2012-2020). Step-by-step guide with symptoms, diagnostic steps, and tools required.

Affected Component

Suspension

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is securely supported on jack stands before working underneath.
•Always wear safety glasses when working on vehicles to protect against debris.

Symptoms

•Clunking or rattling noise from the rear when driving over bumps
•Increased road noise while driving
•Uneven tire wear on the rear tires
•Vehicle pulling to one side during turns
•Deteriorated ride comfort and handling

Diagnostic Steps

1
Inspect the rear suspension visually for any signs of wear or damage.
2
Check for loose or missing bolts on the suspension components.
3
Use a chassis ears or similar device to isolate the source of the noise.
4
Confirm the torque specifications of the suspension components are correct.
5
Examine the shock absorbers for leaks or signs of wear.
6
Test the rear suspension by pushing down on the rear of the vehicle to observe rebound behavior.

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•Hydraulic jack
•Jack stands
•Socket set
•Torque wrench
•Chassis ears (optional)

Parts Required

•Shock absorbers (if worn)
•Control arm bushings (if damaged)
•Sway bar links (if worn)

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Diagnostic Steps

1
Inspect the rear suspension visually for any signs of wear or damage.
2
Check for loose or missing bolts on the suspension components.
3
Use a chassis ears or similar device to isolate the source of the noise.
4
Confirm the torque specifications of the suspension components are correct.
5
Examine the shock absorbers for leaks or signs of wear.
6
Test the rear suspension by pushing down on the rear of the vehicle to observe rebound behavior.

Solution

1. Preparation

Gather all necessary tools and parts.
Park the vehicle on a level surface and engage the parking brake.
Wear safety glasses and gloves.

2. Raise the Vehicle

Use a hydraulic jack to lift the rear of the vehicle.
Secure the vehicle on jack stands to ensure safety while working underneath.

3. Inspect and Replace Components

Shock Absorbers:
- Remove the lower and upper bolts securing the shock absorber.
- Replace with new shock absorbers if leaks or wear are evident.
- Torque the bolts to manufacturer specifications (typically 65-80 ft-lbs).
Control Arms:
- Inspect the control arm bushings for cracks or degradation.
- If damaged, remove the bolts securing the control arms and replace them.
- Ensure to torque bolts to specified values (usually around 90 ft-lbs).
Sway Bar Links:
- Check the sway bar links for play or damage.
- Remove and replace if necessary, ensuring they are installed correctly and torqued (around 50-70 ft-lbs).

4. Reassemble and Lower Vehicle

Reinstall any removed components in reverse order.
Double-check all connections and torque specifications.
Carefully lower the vehicle back to the ground.

5. Final Inspection

Inspect for any tools left in the work area.
Conduct a visual inspection of the suspension to ensure everything is properly secured.