why does my Tesla Model S Original (2012-2020) suspension feel bumpy

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

3-5 hours

Time

medium

Difficulty

medium

Severity

3 min read

473 words

Problem Statement

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

Affected Component

Suspension

Estimated Time

3-5 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical components.
•Allow the vehicle to cool before starting work to avoid burns.

Symptoms

•Bumpy ride over uneven surfaces
•Increased noise from the suspension during bumps
•Excessive body roll during turns
•Uneven tire wear
•Warning messages related to suspension on the dashboard

Diagnostic Steps

1
Inspect the suspension components visually for leaks, damage, or wear.
2
Check tire pressure and condition for proper inflation and alignment.
3
Use a diagnostic scanner to check for error codes related to the air suspension system.
4
Test the air suspension system for proper operation by adjusting the height settings.
5
Perform a bounce test on each corner of the vehicle to assess shock absorber performance.

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

•Socket set
•Torque wrench
•Jack and jack stands
•Diagnostic scanner

Parts Required

•Air struts (if worn)
•Control arms (if worn)
•Suspension bushings and links (if worn)

Related Faults

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Diagnostic Steps

1
Inspect the suspension components visually for leaks, damage, or wear.
2
Check tire pressure and condition for proper inflation and alignment.
3
Use a diagnostic scanner to check for error codes related to the air suspension system.
4
Test the air suspension system for proper operation by adjusting the height settings.
5
Perform a bounce test on each corner of the vehicle to assess shock absorber performance.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface and the battery is disconnected for safety.

2. Inspect Suspension Components

Sub-steps:
- Raise the vehicle using a jack and secure it with jack stands.
- Inspect the air struts for any visible leaks or damage.
- Check control arms and bushings for wear or cracks.
- Examine the sway bar links and bushings for deterioration.

3. Replace Worn Components

Sub-steps:
- If any components are worn, remove the damaged parts using a socket set.
- Install new air struts or control arms as necessary, following manufacturer specifications for torque values.
- Ensure all bushings and links are replaced if they show signs of wear.

4. Refill and Adjust Air Suspension

Sub-steps:
- Reconnect the vehicle's battery.
- Use the Tesla Service Menu to recalibrate the air suspension settings.
- Check for leaks in the air lines and ensure the system is functioning properly.

5. Alignment Check

Sub-steps:
- Have a professional perform a wheel alignment to ensure proper handling and tire wear.
- Adjust camber, caster, and toe settings according to manufacturer specifications.