why does my Tesla Model S Plaid/Refresh (2021-present) feel like it's bouncing while driving

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

534 words

Problem Statement

Learn to diagnose and fix the bouncing sensation in Tesla Model S Plaid suspension. 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 underneath the vehicle to prevent accidents.
•Allow the vehicle to cool down before inspecting the brakes or suspension components.

Symptoms

•Vehicle exhibits a bouncy ride, especially over bumps or uneven surfaces
•Warning messages related to suspension or tire pressure may appear on the dashboard
•Uneven tire wear patterns observed
•Reduced handling stability during cornering
•Increased noise from the suspension system

Diagnostic Steps

1
Inspect tire pressure using a tire pressure gauge to ensure all tires are inflated to the manufacturer's specifications.
2
Examine tire tread depth to check for uneven wear or damage.
3
Perform a visual inspection of the suspension components for any signs of damage, such as leaks in shock absorbers or broken springs.
4
Use an OBD-II scanner to check for any fault codes related to the suspension system.
5
Conduct a bounce test on each corner of the vehicle to assess the performance of the shock absorbers.

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

•Tire pressure gauge
•Tread depth gauge
•OBD-II scanner
•Jack and jack stands
•Socket set

Parts Required

•New tires (if required)
•Shock absorbers (if defective)
•Suspension springs (if damaged)

Related Faults

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Diagnostic Steps

1
Inspect tire pressure using a tire pressure gauge to ensure all tires are inflated to the manufacturer's specifications.
2
Examine tire tread depth to check for uneven wear or damage.
3
Perform a visual inspection of the suspension components for any signs of damage, such as leaks in shock absorbers or broken springs.
4
Use an OBD-II scanner to check for any fault codes related to the suspension system.
5
Conduct a bounce test on each corner of the vehicle to assess the performance of the shock absorbers.

Solution

1. Preparation

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

2. Tire Inspection and Replacement

Check and Adjust Tire Pressure:
- Use a tire pressure gauge to measure the pressure in each tire.
- Inflate or deflate tires to match the recommended pressure found in the owner’s manual.
Inspect and Replace Tires (if necessary):
- Remove the wheel covers or hubcaps if applicable.
- Use a tread depth gauge to check for uneven wear; replace tires if tread depth is below 2/32".
- Install new tires, ensuring they are balanced correctly.

3. Suspension Component Inspection and Repair

Inspect Shock Absorbers:
- Lift the vehicle using a jack and secure it with jack stands.
- Check for leaks or physical damage on the shock absorbers.
- If defective, remove the shock absorber by unscrewing the upper and lower mounting bolts.
- Replace with OEM quality shock absorbers and torque bolts to manufacturer specifications (typically around 30-50 ft-lbs).
Inspect Springs:
- Examine coil or leaf springs for sagging or breakage.
- Replace any damaged springs with OEM parts, ensuring correct installation per manufacturer specifications.