my Tesla Model S Original (2012-2020) has uneven tire wear, what's wrong?

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

496 words

Problem Statement

Learn how to diagnose and fix uneven tire wear on Tesla Model S (2012-2020). 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

•Ensure vehicle is on a flat surface
•Use wheel chocks for safety
•Engage the parking brake

Symptoms

•Noticeable wear patterns on tires
•Increased road noise
•Vibration or steering wheel pull
•Poor handling or stability
•Reduced fuel efficiency

Diagnostic Steps

1
Inspect Tire Pressure: Check all tires for proper inflation using a tire pressure gauge.
2
Visual Inspection of Tires: Examine each tire for irregular wear patterns (e.g., inner/outer edge wear, cupping).
3
Check Wheel Alignment: Use a wheel alignment machine to assess alignment angles.
4
Inspect Suspension Components: Check for worn or damaged suspension parts, including bushings, ball joints, and struts.
5
Examine Tire Rotation History: Review the tire rotation schedule to ensure regular maintenance has been performed.

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
•Jack and jack stands
•Wrench set
•Alignment machine

Parts Required

•Replacement tires (if necessary)
•Suspension components (if worn)

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Diagnostic Steps

1
Inspect Tire Pressure: Check all tires for proper inflation using a tire pressure gauge.
2
Visual Inspection of Tires: Examine each tire for irregular wear patterns (e.g., inner/outer edge wear, cupping).
3
Check Wheel Alignment: Use a wheel alignment machine to assess alignment angles.
4
Inspect Suspension Components: Check for worn or damaged suspension parts, including bushings, ball joints, and struts.
5
Examine Tire Rotation History: Review the tire rotation schedule to ensure regular maintenance has been performed.

Solution

1. Preparation

Tools Required: Tire pressure gauge, jack and jack stands, wrench set, alignment machine.
Safety Warnings: Ensure vehicle is on a flat surface, use wheel chocks for safety, and engage the parking brake.

2. Adjust Tire Pressure

Use a tire pressure gauge to check the pressure of each tire.
Inflate or deflate tires to the manufacturer-recommended pressure.

3. Rotate Tires

Sub-steps:
- Loosen lug nuts on each wheel while the vehicle is on the ground.
- Lift the vehicle using a jack and secure it with jack stands.
- Remove the wheels and rotate them according to the recommended pattern (front to back, or cross-pattern).
- Reinstall the wheels and hand-tighten the lug nuts before lowering the vehicle.
- Torque the lug nuts to the manufacturer's specifications (usually between 80-100 ft-lbs).

4. Perform Wheel Alignment

Sub-steps:
- Position the vehicle on the alignment rack.
- Follow the alignment machine instructions to assess and make adjustments to camber, caster, and toe settings.
- Adjust the alignment settings to meet manufacturer specifications.

5. Inspect and Replace Suspension Components

If any worn or damaged components are found during inspection, replace them.
Sub-steps:
- Remove any components as needed to access the affected parts.
- Install new parts and ensure all connections are tight.
- Recheck wheel alignment after replacing components.