why does my Tesla Outback shake when I brake

Subaru Outback 5th Generation (2015-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

528 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 brake shaking issues in Tesla Outback. 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

•Always ensure the vehicle is securely supported before working under it.
•Allow the brakes to cool before inspecting or handling them to avoid burns.

Symptoms

•Shaking or vibration felt through the steering wheel when braking
•Increased pedal effort required to stop the vehicle
•Unusual noise when brakes are applied
•Steering wheel pulling to one side during braking
•Uneven wear on brake pads or rotors

Diagnostic Steps

1
Inspect the brake pads for uneven wear and thickness.
2
Check the brake rotors for warping or scoring.
3
Examine the wheel bearings for play or damage.
4
Inspect suspension components, including control arms and bushings, for wear.
5
Use a dial indicator to measure rotor run-out.
6
Scan the vehicle's computer for any error codes related to the braking system.

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

•Jack and jack stands
•Lug wrench
•Torque wrench
•Dial indicator
•Brake cleaner
•Basic hand tools (sockets, wrenches)

Parts Required

•Brake pads (if worn)
•Brake rotors (if warped)
•Wheel bearings (if damaged)

Related Faults

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Diagnostic Steps

1
Inspect the brake pads for uneven wear and thickness.
2
Check the brake rotors for warping or scoring.
3
Examine the wheel bearings for play or damage.
4
Inspect suspension components, including control arms and bushings, for wear.
5
Use a dial indicator to measure rotor run-out.
6
Scan the vehicle's computer for any error codes related to the braking system.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a flat surface and the parking brake is engaged.
Wear safety glasses and gloves.

2. Remove Wheel

Loosen the lug nuts slightly while the vehicle is still on the ground.
Raise the vehicle with a jack and secure it with jack stands.
Completely remove the lug nuts and take off the wheel.

3. Inspect and Replace Brake Components

Brake Pads:
- Remove the caliper by loosening the caliper bolts.
- Carefully slide the caliper off the rotor.
- Inspect the pads for wear; replace if necessary.
- Reinstall the caliper with new pads if replaced.
Brake Rotors:
- Check for warping using a dial indicator.
- If warped beyond manufacturer specifications, remove and replace the rotor.
- Clean the rotor surface with brake cleaner before installation.

4. Inspect Suspension and Wheel Bearings

Check the wheel bearings for play by grasping the wheel at 12 and 6 o’clock and checking for movement.
Inspect suspension components for any visible wear or damage.
Replace any damaged components as needed.

5. Reassemble and Test

Reinstall the wheel and hand-tighten the lug nuts.
Lower the vehicle and fully tighten the lug nuts to the manufacturer’s torque specifications.
Test the brakes at low speed to ensure proper function and absence of vibrations.