how to fix a rough ride in Tesla Model S Plaid/Refresh (2021-present)

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

4 min read

611 words

Problem Statement

Learn how to diagnose and fix a rough ride in Tesla Model S Plaid. Step-by-step guide with symptoms, diagnostic steps, tools, and repair instructions.

Affected Component

Suspension

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the 12V battery before working on electrical systems.
•Allow the vehicle to cool before working on suspension components.

Symptoms

•Noticeable vibrations or jolts during driving
•Increased noise from the suspension over bumps
•Uneven tire wear
•Difficulty maintaining a straight path on the road
•Warning lights related to suspension or traction control may be illuminated

Diagnostic Steps

1
Inspect the tire pressure and ensure all tires are inflated to the manufacturer's specifications.
2
Check for visible damage or irregularities in the tires, such as bulges or worn tread patterns.
3
Examine the suspension components visually, looking for any signs of wear, damage, or leaks.
4
Use a wheel alignment tool to check the alignment settings against manufacturer specifications.
5
Scan for error codes using an OBD-II scanner specific to Tesla to identify any suspension-related issues.
6
Perform a bounce test on each corner of the vehicle to assess the shock absorber functionality.

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

•Floor jack
•Jack stands
•Tire pressure gauge
•OBD-II scanner
•Wheel alignment tool
•Basic hand tools (sockets, wrenches)

Parts Required

•Tires (if worn)
•Shock absorbers (if damaged)
•Suspension components (as needed)

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Diagnostic Steps

1
Inspect the tire pressure and ensure all tires are inflated to the manufacturer's specifications.
2
Check for visible damage or irregularities in the tires, such as bulges or worn tread patterns.
3
Examine the suspension components visually, looking for any signs of wear, damage, or leaks.
4
Use a wheel alignment tool to check the alignment settings against manufacturer specifications.
5
Scan for error codes using an OBD-II scanner specific to Tesla to identify any suspension-related issues.
6
Perform a bounce test on each corner of the vehicle to assess the shock absorber functionality.

Solution

1. Preparation

Gather tools: floor jack, jack stands, tire pressure gauge, OBD-II scanner, wheel alignment tool, and basic hand tools (sockets, wrenches).
Ensure the vehicle is parked on a level surface and turn off the ignition.
Disconnect the 12V battery to ensure safety while working on electrical components.

2. Tire Inspection and Replacement

Check Tire Pressure:
- Use a tire pressure gauge to measure the pressure of each tire.
- Inflate or deflate tires to the recommended pressure (typically 42 PSI for the Model S).
Inspect and Replace Tires:
- Look for uneven wear patterns; if tires are worn beyond the tread indicators, replace them.
- Remove the wheel using a socket wrench and replace with new tires if necessary, ensuring proper torque (typically 129 ft-lbs) on lug nuts.

3. Suspension Inspection and Repair

Inspect Suspension Components:
- Check control arms, bushings, tie rods, and shocks for wear or damage.
- Replace any damaged components with OEM parts.
Shock Absorber Replacement (if necessary):
- Remove the wheel to access the shock absorber.
- Disconnect any electrical connectors and remove the mounting bolts (usually 17mm or 19mm).
- Replace with new shock absorbers, ensuring they are torqued to manufacturer specifications.

4. Wheel Alignment

Perform Alignment:
- Use a wheel alignment tool to check the camber, caster, and toe settings.
- Adjust the alignment settings according to Tesla’s specifications to ensure optimal handling and tire wear.

5. Final Checks

Reconnect the 12V battery and clear any error codes using the OBD-II scanner.
Test drive the vehicle to confirm the ride quality has improved.