my Tesla Model S Original (2012-2020) makes a grinding noise when turning

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

591 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix grinding noise when turning in Tesla Model S (2012-2020). Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Steering

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Avoid spilling fluid on vehicle surfaces, as it can damage paint.
•Ensure the vehicle is securely supported on jack stands before working underneath.
•Follow proper procedures for brake and hub assembly disassembly.
•Ensure the vehicle is stable during rack removal.
•Disconnect battery before working on electrical systems.
•Allow the vehicle to rest on a flat surface to ensure stability during repairs.

Symptoms

•Grinding noise when turning the steering wheel
•Possible vibration in the steering wheel
•Difficulty in steering or increased steering effort
•Noise might vary with speed
•Unusual tire wear patterns

Diagnostic Steps

1
Inspect the power steering fluid level and condition.
2
Check for any visible damage or wear on the steering components, including tie rods and control arms.
3
Examine the wheel bearings for play or excessive wear.
4
Test the steering rack for leaks or signs of damage.
5
Check tire pressure and inspect tires for uneven wear.
6
Scan the vehicle for any error codes that may relate to the steering system.

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

•Turkey baster
•Funnel
•Socket set
•Jack stands
•Torque wrench
•Dial indicator
•Bearing puller
•Alignment tools

Parts Required

•Power steering fluid
•Replacement tie rods or control arms (if necessary)
•Wheel bearings (if necessary)
•Steering rack (if necessary)

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Diagnostic Steps

1
Inspect the power steering fluid level and condition.
2
Check for any visible damage or wear on the steering components, including tie rods and control arms.
3
Examine the wheel bearings for play or excessive wear.
4
Test the steering rack for leaks or signs of damage.
5
Check tire pressure and inspect tires for uneven wear.
6
Scan the vehicle for any error codes that may relate to the steering system.

Solution

1. Preparation

Gather all necessary tools and parts.
Ensure the vehicle is parked on a flat surface and the wheels are straight.
Disconnect the negative battery terminal for safety.

2. Inspect and Replace Power Steering Fluid

Sub-steps:
- Locate the power steering fluid reservoir.
- Check the fluid level and condition; if dark or contaminated, proceed with replacement.
- Use a turkey baster to remove old fluid and refill with manufacturer-recommended fluid.
Tools Required: Turkey baster, funnel
Safety Warnings: Avoid spilling fluid on vehicle surfaces, as it can damage paint.

3. Examine Steering Components

Sub-steps:
- Raise the front of the vehicle on jack stands to access the steering components.
- Inspect the tie rods and control arms for any signs of wear or damage.
- If any components are damaged, remove and replace them using a socket set.
Tools Required: Socket set, jack stands, torque wrench
Safety Warnings: Ensure the vehicle is securely supported on jack stands before working underneath.

4. Inspect Wheel Bearings

Sub-steps:
- Spin the wheels by hand to listen for grinding noises.
- Use a dial indicator to check for play in the wheel bearings; replace if excessive.
- To replace bearings, remove the wheel and brake caliper, then disassemble the hub assembly.
Tools Required: Dial indicator, socket set, bearing puller
Safety Warnings: Follow proper procedures for brake and hub assembly disassembly.

5. Check and Repair Steering Rack

Sub-steps:
- Inspect the steering rack for leaks and damage.
- If leaking, remove the steering rack following service manual specifications.
- Replace the steering rack with a new or refurbished unit, ensuring proper alignment.
Tools Required: Socket set, alignment tools
Safety Warnings: Ensure the vehicle is stable during rack removal.