why does my Tesla Model S Original (2012-2020) make a grinding noise when turning

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

487 words

Problem Statement

Learn how to diagnose and fix grinding noise when turning in Tesla Model S (2012-2020). 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

•Disconnect the battery before working on electrical systems.
•Allow the vehicle to cool before performing any inspections on hot components.

Symptoms

•Grinding noise while turning the steering wheel
•Increased steering resistance or stiffness
•Vibration felt through the steering wheel
•Unusual wear on tires
•Clunking or popping sounds when turning sharply

Diagnostic Steps

1
Inspect the power steering fluid level and condition.
2
Check for any visible damage or wear on the suspension components, including control arms and bushings.
3
Examine the CV joints and boots for signs of wear or damage.
4
Lift the front of the vehicle and check for play in the wheel bearings.
5
Test drive the vehicle to replicate the noise and note the conditions under which it occurs.

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

•Fluid siphon
•Funnel
•Power steering fluid
•Socket set
•Torque wrench
•Jack
•Jack stands
•Bearing puller set

Parts Required

•Power steering fluid
•CV joints (if damaged)
•Wheel bearings (if worn)

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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 suspension components, including control arms and bushings.
3
Examine the CV joints and boots for signs of wear or damage.
4
Lift the front of the vehicle and check for play in the wheel bearings.
5
Test drive the vehicle to replicate the noise and note the conditions under which it occurs.

Solution

1. Preparation

Gather tools and parts needed for inspection and repair.
Ensure the vehicle is parked on a flat surface and the parking brake is engaged.
Disconnect the 12V battery to avoid any electrical issues.

2. Inspect and Replace Power Steering Fluid

Check the power steering fluid reservoir for low fluid levels.
- If low, top off with the manufacturer-recommended fluid.
If fluid is contaminated (dark or gritty), drain and replace with new fluid.
Tools required: Fluid siphon, funnel, power steering fluid.

3. Inspect Suspension Components

Visually inspect control arms, bushings, and struts.
- Replace any worn or damaged components.
Tools required: Socket set, torque wrench.

4. Examine and Replace CV Joints

Inspect CV joints for cracks or leaks in the protective boots.
- Replace any damaged CV joints.
Tools required: Jack, jack stands, socket set, CV joint grease.

5. Check Wheel Bearings

Lift the front of the vehicle and secure with jack stands.
Grasp each wheel and check for any play by shaking it side to side.
- If there is excessive play, replace the wheel bearings.
Tools required: Jack, jack stands, bearing puller set, torque wrench.