how to fix Tesla Model S Original (2012-2020) suspension issues

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

4-8 hours

Time

medium

Difficulty

medium

Severity

3 min read

573 words

Problem Statement

Learn how to diagnose and fix suspension issues in Tesla Model S (2012-2020). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Suspension

Estimated Time

4-8 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is on a flat surface and the parking brake is engaged.
•Disconnect the battery if working on electrical components.

Symptoms

•Abnormal clunking or knocking sounds from the suspension
•Vehicle leaning or tilting during turns
•Uneven tire wear patterns
•Warning messages related to suspension system on the dashboard
•Increased vibrations during driving

Diagnostic Steps

1
Inspect the vehicle visually for any obvious signs of damage or wear on suspension components, including control arms, bushings, and struts.
2
Use an OBD-II scanner to check for any error codes related to the suspension system.
3
Measure the ride height of the vehicle to ensure it is within manufacturer specifications.
4
Perform a bounce test on each corner of the vehicle to evaluate shock absorber function.
5
Check for leaks around the air suspension system (if equipped) and inspect air lines.

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 stands
•Tire iron
•OBD-II scanner
•Torque wrench
•Socket set
•Multimeter

Parts Required

•Replacement control arms
•Bushings
•Struts
•Air lines (if equipped with air suspension)

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Diagnostic Steps

1
Inspect the vehicle visually for any obvious signs of damage or wear on suspension components, including control arms, bushings, and struts.
2
Use an OBD-II scanner to check for any error codes related to the suspension system.
3
Measure the ride height of the vehicle to ensure it is within manufacturer specifications.
4
Perform a bounce test on each corner of the vehicle to evaluate shock absorber function.
5
Check for leaks around the air suspension system (if equipped) and inspect air lines.

Solution

1. Preparation

Tools Required: Jack stands, tire iron, OBD-II scanner, torque wrench, socket set, multimeter (if necessary).
Safety Warnings: Ensure the vehicle is on a flat surface and the parking brake is engaged. Disconnect the battery if working on electrical components.

2. Replace Worn Suspension Components

Lift the Vehicle:
- Use a jack to lift the vehicle and secure it on jack stands.
Remove Wheel:
- Use a tire iron to remove the lug nuts and take off the wheel to access the suspension components.
Inspect and Identify Components:
- Check control arms, bushings, and struts for wear or damage. Identify components needing replacement.
Remove Damaged Parts:
- Use a socket set to unbolt and remove any damaged control arms, bushings, or struts.
Install New Components:
- Position the new parts and secure them using the appropriate torque specifications (refer to the service manual for specific torque values).

3. Air Suspension System Check (if equipped)

Inspect Air Lines:
- Check for cracks or leaks in the air lines connected to the air suspension system.
Replace Damaged Lines:
- Cut and replace any damaged air lines with new ones, ensuring proper fittings and seals.
Check Air Compressor Functionality:
- Test the air compressor using a multimeter to ensure it operates within the manufacturer’s specified voltage.

4. Alignment

Perform Wheel Alignment:
- After replacing suspension components, take the vehicle to a qualified alignment shop to ensure proper wheel alignment according to manufacturer specifications.