how do I know if my Tesla Model 3 Original (2017-2023) needs new shocks

Tesla Model 3 Highland (2024-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

486 words

Problem Statement

Learn how to diagnose and replace shocks on Tesla Model 3 (2017-2023). 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

•Always use jack stands when working under the vehicle.
•Ensure the vehicle is on a flat surface before lifting.

Symptoms

•Excessive body roll during cornering
•Poor handling and stability
•Increased road noise or vibrations felt inside the cabin
•Uneven tire wear
•Noticeable bouncing after hitting bumps or potholes
•Vehicle bottoms out over bumps

Diagnostic Steps

1
Inspect the shocks visually for signs of leakage or physical damage.
2
Conduct a bounce test by pushing down on each corner of the vehicle and observing the bounce response.
3
Check the tire condition for uneven wear patterns that may indicate suspension issues.
4
Test drive the vehicle over various road conditions to assess handling and stability.
5
Monitor for any unusual noises coming from the suspension when driving over bumps.

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

•Hydraulic jack
•Jack stands
•Socket set
•Torque wrench
•Wheel chocks

Parts Required

•New shock absorbers (front and/or rear as needed)
•Mounting hardware (if necessary)

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Diagnostic Steps

1
Inspect the shocks visually for signs of leakage or physical damage.
2
Conduct a bounce test by pushing down on each corner of the vehicle and observing the bounce response.
3
Check the tire condition for uneven wear patterns that may indicate suspension issues.
4
Test drive the vehicle over various road conditions to assess handling and stability.
5
Monitor for any unusual noises coming from the suspension when driving over bumps.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface and safely secured with wheel chocks.
Disconnect the negative battery terminal to avoid any electrical issues.

2. Lift the Vehicle

Use a hydraulic jack to lift the vehicle.
Secure it on jack stands to ensure stability.
Remove the wheels to gain access to the shocks.

3. Remove Old Shocks

Locate the shock absorber mounting bolts at the top and bottom.
Using a socket set, remove the upper and lower mounting bolts.
Carefully detach the shock from its mounting points.

4. Install New Shocks

Position the new shock absorber in place.
Tighten the upper and lower mounting bolts to the manufacturer's specified torque (typically around 30-40 ft-lbs, but verify with the service manual).
Ensure that all components are secure.

5. Reassemble and Lower Vehicle

Reattach the wheels and tighten the lug nuts to the manufacturer's specifications (usually around 100-120 ft-lbs).
Carefully lower the vehicle off the jack stands.
Reconnect the negative battery terminal.

6. Final Inspection

Check the installation of the new shocks for proper alignment.
Verify that all tools are removed from the work area.