how to fix the rear suspension noise on Tesla Model S Original (2012-2020)

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

528 words

Problem Statement

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

Affected Component

Suspension

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always use jack stands when working under a vehicle.
•Disconnect the battery before working on electrical components.

Symptoms

•Clunking or popping noises during bumps or turns
•Uneven tire wear on the rear tires
•Vehicle swaying or instability during cornering
•Increased vibration felt in the cabin
•Warning message related to suspension system (if applicable)

Diagnostic Steps

1
Inspect the rear suspension visually for any visible damage or wear.
2
Check the tightness of suspension bolts and nuts using a torque wrench.
3
Test the shock absorbers by pushing down on the rear of the vehicle and observing the rebound.
4
Use a pry bar to check for play in the control arm bushings and other suspension joints.
5
Inspect the rear sway bar links for wear or damage.

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
•Pry bar
•Ball joint separator

Parts Required

•Replacement shock absorbers (if required)
•Control arm bushings (if worn)
•Sway bar links (if damaged)

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Diagnostic Steps

1
Inspect the rear suspension visually for any visible damage or wear.
2
Check the tightness of suspension bolts and nuts using a torque wrench.
3
Test the shock absorbers by pushing down on the rear of the vehicle and observing the rebound.
4
Use a pry bar to check for play in the control arm bushings and other suspension joints.
5
Inspect the rear sway bar links for wear or damage.

Solution

1. Preparation

Gather necessary tools and parts.
Park the vehicle on a flat surface and engage the parking brake.
Disconnect the negative battery terminal to avoid electrical issues.

2. Raise the Vehicle

Use a hydraulic jack to lift the rear of the vehicle.
Secure the vehicle with jack stands for safety.

3. Remove Components

Shock Absorbers:
1. Remove the lower shock mount bolt using a socket set.
2. Remove the upper shock mount bolts.
3. Carefully slide out the shock absorber from the mount.
Control Arms (if necessary):
1. Remove the rear wheel for better access.
2. Detach the control arm from the chassis by removing the bolts.
3. Use a ball joint separator if necessary to free the control arm.

4. Inspect and Replace

Check for wear on bushings and replace if cracked or damaged.
Install new shock absorbers if the old ones are leaking or show signs of wear.
Reassemble the control arm and ensure all bolts are torqued to the manufacturer's specifications (typically around 100-120 ft-lbs for control arm bolts; refer to specific service manual for exact values).

5. Reassemble and Lower Vehicle

Reattach the rear wheel and hand-tighten the lug nuts.
Lower the vehicle from the jack stands using the hydraulic jack.
Torque the lug nuts to the specified value (usually 100-110 ft-lbs).