my Tesla Model S Original (2012-2020) feels like it’s dragging when driving, why?

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

466 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 dragging brakes in Tesla Model S (2012-2020). Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Brakes

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Always use jack stands when working under the vehicle.

Symptoms

•Dragging sensation while driving
•Unusual noise from the wheels
•Decreased acceleration
•Increased resistance when rolling
•Warning lights on the dashboard (if applicable)

Diagnostic Steps

1
Perform a visual inspection of the tires for uneven wear or damage.
2
Check the brake system for sticking calipers or debris.
3
Use a diagnostic scanner to check for any error codes related to the drivetrain.
4
Inspect the suspension components for any signs of wear or damage.
5
Test the wheel bearings for excessive play or noise.
6
Verify tire pressure and alignment settings.

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

•Lug wrench
•Jack and jack stands
•Brake grease
•Tire gauge
•Diagnostic scanner

Parts Required

•Brake pads (if worn)
•Brake calipers (if sticking)

Related Faults

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Diagnostic Steps

1
Perform a visual inspection of the tires for uneven wear or damage.
2
Check the brake system for sticking calipers or debris.
3
Use a diagnostic scanner to check for any error codes related to the drivetrain.
4
Inspect the suspension components for any signs of wear or damage.
5
Test the wheel bearings for excessive play or noise.
6
Verify tire pressure and alignment settings.

Solution

1. Preparation

Gather all necessary tools and parts.
Park the vehicle on a level surface and engage the parking brake.
Disconnect the 12V battery to ensure safety during inspection.

2. Inspect and Replace Brake Components

Remove Wheel:
- Use a lug wrench to loosen the lug nuts.
- Lift the vehicle using a jack and secure it with jack stands.
- Remove the lug nuts and take off the wheel.
Inspect Brake Calipers and Pads:
- Check for signs of corrosion or sticking on the calipers.
- Inspect brake pads for wear; replace if they are worn down to the minimum thickness.
Clean and Lubricate:
- Clean the caliper slides and apply brake grease to ensure smooth operation.
- Reassemble the brake components and wheel.

3. Check Tire Condition and Pressure

Inspect Tires:
- Look for any signs of damage, bulges, or uneven wear.
- Replace any tires that are significantly worn or damaged.
Check Tire Pressure:
- Use a tire gauge to measure and adjust the tire pressure to the manufacturer's specifications.

4. Test Drive to Confirm Repair

Reinstall the wheel and lower the vehicle.
Reconnect the battery and perform a test drive to evaluate whether the dragging sensation persists.