my Tesla Model S Original (2012-2020) has a strange noise when turning, what's wrong?

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

530 words

Problem Statement

Diagnose and fix unusual noise when turning in Tesla Model S (2012-2020). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Steering

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always ensure the vehicle is securely supported on jack stands before working underneath it.
•Use appropriate personal protective equipment (PPE) when handling fluids and working with tools.

Symptoms

•Unusual grinding or squeaking noise during turns
•Loose or unstable feeling in the steering
•Increased resistance when steering
•Vibration in the steering wheel while turning
•No warning lights illuminated on the dashboard

Diagnostic Steps

1
Inspect the front suspension components for wear or damage, including bushings and ball joints.
2
Check the power steering fluid level and condition.
3
Test drive the vehicle to replicate the noise while turning at different speeds.
4
Inspect the wheel bearings for any play or abnormal sounds.
5
Verify the condition of the steering rack and its mounting points.

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

•Jack and jack stands
•Socket set
•Torque wrench
•Screwdrivers
•Fluid pump (for power steering fluid)

Parts Required

•Control arm bushings (if worn)
•Ball joints (if damaged)
•Tie rod ends (if worn)
•Wheel bearings (if defective)
•Power steering fluid

Related Faults

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Diagnostic Steps

1
Inspect the front suspension components for wear or damage, including bushings and ball joints.
2
Check the power steering fluid level and condition.
3
Test drive the vehicle to replicate the noise while turning at different speeds.
4
Inspect the wheel bearings for any play or abnormal sounds.
5
Verify the condition of the steering rack and its mounting points.

Solution

1. Preparation

Ensure the vehicle is parked on a level surface and the parking brake is engaged.
Gather necessary tools and parts before beginning the repair.

2. Inspect Suspension Components

Sub-steps:
- Lift the front of the vehicle using a jack and secure it with jack stands.
- Visually inspect the control arm bushings, ball joints, and tie rod ends for any signs of wear, cracks, or separation.
- If any components are damaged, proceed to replace them.

3. Check Power Steering Fluid

Sub-steps:
- Locate the power steering fluid reservoir.
- Remove the cap and check the fluid level; if low, top off with the recommended fluid type (Tesla recommends using their specified fluid).
- If the fluid is dark or contaminated, consider flushing the power steering system.

4. Inspect Wheel Bearings

Sub-steps:
- With the vehicle still lifted, grab each front wheel and wiggle it side to side and up and down to check for play.
- If there is noticeable movement, remove the wheel and inspect the wheel bearing for wear or damage.
- Replace the wheel bearing if necessary.

5. Inspect Steering Rack

Sub-steps:
- Examine the steering rack for any signs of leakage or damage.
- Check the mounting points for tightness and integrity.
- If the steering rack appears damaged, it will need to be replaced.