my Tesla Model S Plaid/Refresh (2021-present) squeaks when I hit a bump, what's happening

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

465 words

Problem Statement

Learn how to diagnose and fix squeaking noise from the suspension in Tesla Model S Plaid. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Suspension

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical components or sensors.
•Always use jack stands when working under the vehicle.
•Allow the vehicle to cool down before inspecting the brake components.

Symptoms

•Squeaking noise from the suspension when hitting bumps
•Possible rattling sounds during driving on uneven surfaces
•Deterioration of ride quality
•Potential uneven tire wear
•Occasional clunking noises in addition to squeaking

Diagnostic Steps

1
Inspect the vehicle's suspension components for visible wear or damage.
2
Check for loose bolts or fasteners in the suspension assembly.
3
Perform a bounce test to evaluate shock absorber performance.
4
Examine bushings and mounts for deterioration or play.
5
Conduct a road test on various surfaces to isolate the noise source.

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

•Socket set
•Torque wrench
•Jack stands
•Creeper

Parts Required

•Suspension bushings (if needed)
•Shock absorbers (if needed)
•Replacement fasteners (if needed)

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Diagnostic Steps

1
Inspect the vehicle's suspension components for visible wear or damage.
2
Check for loose bolts or fasteners in the suspension assembly.
3
Perform a bounce test to evaluate shock absorber performance.
4
Examine bushings and mounts for deterioration or play.
5
Conduct a road test on various surfaces to isolate the noise source.

Solution

1. Preparation

Tools Required: Socket set, torque wrench, jack stands, and a creeper.
Ensure the vehicle is parked on a level surface and the parking brake is engaged.
Safety Warnings: Disconnect the battery before working on electrical components or sensors.

2. Inspect Suspension Components

Lift the vehicle using a jack and secure with jack stands.
Visually inspect shock absorbers, struts, and springs for leaks or physical damage.
Check control arms and linkages, looking for cracks or rust.

3. Tighten or Replace Fasteners

Using the socket set, check the torque on all suspension bolts and nuts.
If any fasteners are loose, tighten them to manufacturer specifications.
Replace any missing or damaged fasteners as necessary.

4. Replace Worn Bushings or Mounts

If bushings are cracked or worn, remove the affected suspension component.
Replace the bushings with OEM or high-quality aftermarket parts.
Use a torque wrench to ensure proper torque is applied during reinstallation.

5. Test the Shock Absorbers

Perform a bounce test by pushing down on the vehicle's corners and observing the rebound.
If the vehicle bounces excessively, replace worn shock absorbers with new units.