why does my Tesla Model S Original (2012-2020) shake when I accelerate

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

535 words

Problem Statement

Learn how to diagnose and fix shaking during acceleration 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

•Disconnect the 12V battery before working on electrical components.
•Allow the vehicle to cool before handling any components.

Symptoms

•Shaking or vibrations felt in the steering wheel or chassis during acceleration
•Possible loss of power or hesitation in acceleration
•Unusual noises, such as clunking or grinding, during acceleration
•Steering wheel alignment issues may develop over time
•Uneven tire wear or damage may be visible

Diagnostic Steps

1
Inspect tire condition and pressure; ensure all tires are properly inflated and free of damage.
2
Check wheel balance and alignment; perform a visual inspection for misalignment or bent rims.
3
Scan the vehicle for any diagnostic trouble codes (DTCs) using a Tesla-compatible OBD-II scanner.
4
Inspect the driveshaft and axles for any signs of wear, damage, or play.
5
Examine the suspension components (shocks, struts, control arms) for wear and proper function.
6
Test drive the vehicle at different speeds and conditions to replicate the shaking and isolate its cause.

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

•OBD-II scanner
•Tire pressure gauge
•Torque wrench
•Hydraulic lift or jack stands
•Tire balancing machine

Parts Required

•Tires (if replacements are necessary)
•Driveshaft (if damaged)
•Suspension components (shocks, struts, control arms) as needed

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Symptoms

•Shaking or vibrations felt in the steering wheel or chassis during acceleration

•Possible loss of power or hesitation in acceleration

•Unusual noises, such as clunking or grinding, during acceleration

•Steering wheel alignment issues may develop over time

•Uneven tire wear or damage may be visible

Diagnostic Steps

1
Inspect tire condition and pressure; ensure all tires are properly inflated and free of damage.
2
Check wheel balance and alignment; perform a visual inspection for misalignment or bent rims.
3
Scan the vehicle for any diagnostic trouble codes (DTCs) using a Tesla-compatible OBD-II scanner.
4
Inspect the driveshaft and axles for any signs of wear, damage, or play.
5
Examine the suspension components (shocks, struts, control arms) for wear and proper function.
6
Test drive the vehicle at different speeds and conditions to replicate the shaking and isolate its cause.

Solution

1. Preparation

Gather tools and parts before beginning the repair.
Ensure the vehicle is parked on a level surface and engage the parking brake.
Safety warning: Disconnect the 12V battery before working on electrical components.

2. Tire Inspection and Replacement

Inspect each tire for damage, uneven wear, or bulges.
Measure tire pressure and adjust to manufacturer specifications (typically 42 psi for the Model S).
If tires are damaged or excessively worn, replace them with new tires that meet Tesla specifications.
Balance and align the tires using a tire balancing machine.

3. Driveshaft and Axle Inspection

Raise the vehicle using a hydraulic lift or jack stands.
Inspect the driveshaft for any visible signs of damage or excessive play.
Check the axle joints for wear; replace any worn components.
If the driveshaft is damaged, remove it and replace it with a new driveshaft, ensuring proper torque specifications are followed (typically 32-40 ft-lbs for driveshaft bolts).

4. Suspension Component Inspection

Inspect shocks and struts for leaks, damage, or excessive wear.
Check control arms and bushings for signs of play or deterioration.
Replace any worn suspension components with OEM parts, ensuring proper torque values are adhered to during reinstallation.