my Tesla Model S Original (2012-2020) runs rough and shakes while driving

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

543 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 rough running and shaking issues in Tesla Model S (2012-2020). Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Suspension

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is securely supported on jack stands before working under it.
•Wear safety goggles to protect your eyes from debris.
•Allow the vehicle to cool down before inspecting the drive unit to avoid burns.
•Disconnect the 12V battery before starting any electrical work.

Symptoms

•Rough idle when stationary
•Vehicle shakes during acceleration
•Loss of power or sluggish acceleration
•Uneven tire wear
•Unusual noises from the drivetrain or suspension
•Warning messages on the dashboard

Diagnostic Steps

1
Inspect tire condition and pressure; ensure they are inflated to the manufacturer’s specifications.
2
Use an OBD-II scanner to check for any error codes related to the drivetrain or battery.
3
Visually inspect suspension components for wear or damage, including bushings and struts.
4
Check the battery pack for any signs of damage or overheating.
5
Examine the drive unit for unusual noises or abnormalities.
6
Perform a torque test on wheel lug nuts to ensure they are properly secured.

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

•Tire pressure gauge
•Socket set
•Jack and jack stands
•Torque wrench
•Pry bar
•Multimeter
•Wrench set
•OBD-II scanner

Parts Required

•Replacement tires
•Suspension bushings or struts
•Drive unit components

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Diagnostic Steps

1
Inspect tire condition and pressure; ensure they are inflated to the manufacturer’s specifications.
2
Use an OBD-II scanner to check for any error codes related to the drivetrain or battery.
3
Visually inspect suspension components for wear or damage, including bushings and struts.
4
Check the battery pack for any signs of damage or overheating.
5
Examine the drive unit for unusual noises or abnormalities.
6
Perform a torque test on wheel lug nuts to ensure they are properly secured.

Solution

1. Preparation

Gather tools and parts needed for repair.
Park the vehicle on a flat, stable surface and engage the parking brake.
Disconnect the 12V battery for safety.

2. Tire Inspection and Replacement

Sub-steps:
- Inspect each tire for bulges, punctures, or uneven wear.
- Measure tire pressure and inflate to the recommended PSI.
- If tires are worn or damaged, remove them using a socket set.
- Replace with new tires if necessary.
Tools Required:
- Tire pressure gauge
- Socket set
- Jack and jack stands
Safety Warnings:
- Ensure the vehicle is securely supported on jack stands before working under it.

3. Suspension Component Replacement

Sub-steps:
- Remove the wheel to access the suspension components.
- Inspect and replace any worn bushings or struts.
- Use a torque wrench to tighten the new components to the manufacturer’s specifications.
Tools Required:
- Torque wrench
- Socket set
- Pry bar (if necessary)
Safety Warnings:
- Wear safety goggles to protect your eyes from debris.

4. Drivetrain Inspection and Repair

Sub-steps:
- Inspect the drive unit for any visible damage or leaks.
- Check for loose connections or damaged wiring.
- If necessary, replace the drive unit or repair wiring as needed.
Tools Required:
- Multimeter
- Wrench set
Safety Warnings:
- Allow the vehicle to cool down before inspecting the drive unit to avoid burns.