why does my Tesla Outback shake when I hit the brakes

Subaru Outback 5th Generation (2015-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

592 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 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 disconnect the battery before working on electrical components.
•Allow the brakes to cool before handling any components.

Symptoms

•Vibration felt in the steering wheel or brake pedal when braking
•Pulsation or grinding sound while braking
•Uneven wear on brake pads or rotors
•Vehicle pulling to one side during braking
•Increased stopping distance

Diagnostic Steps

1
Inspect brake pads for wear and tear, ensuring they are within specification.
2
Check brake rotors for warping or scoring using a dial indicator.
3
Examine brake calipers for proper operation and ensure they are not sticking.
4
Inspect wheel bearings for play or damage.
5
Verify tire condition and balance, ensuring they are inflated to the correct pressure.
6
Check suspension components (e.g., bushings and control arms) for wear or damage.

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

•Socket set
•Torque wrench
•Brake caliper tool
•Micrometer
•Brake cleaner

Parts Required

•Brake pads
•Brake rotors (if necessary)

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Diagnostic Steps

1
Inspect brake pads for wear and tear, ensuring they are within specification.
2
Check brake rotors for warping or scoring using a dial indicator.
3
Examine brake calipers for proper operation and ensure they are not sticking.
4
Inspect wheel bearings for play or damage.
5
Verify tire condition and balance, ensuring they are inflated to the correct pressure.
6
Check suspension components (e.g., bushings and control arms) for wear or damage.

Solution

1. Preparation

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

2. Remove Wheel

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

3. Inspect and Replace Brake Pads

Remove the brake caliper bolts using a socket set.
Carefully slide the caliper off the rotor without disconnecting the brake line.
Inspect the brake pads for thickness; if worn past the service limit, replace them.
If replacing, compress the caliper piston using a caliper tool to allow new pads to fit.
Install new brake pads into the caliper bracket.

4. Check and Resurface/Replace Rotors

Remove the rotor from the hub by unscrewing the retaining screws (if applicable).
Measure the rotor thickness with a micrometer and check for warping.
If warped, either resurface the rotor or replace it with a new one.
Clean the rotor surface with brake cleaner before reinstallation.

5. Reassemble Components

Reinstall the rotor onto the hub and secure it with screws.
Reattach the brake caliper over the pads and secure it with the caliper bolts.
Tighten the caliper bolts to manufacturer specifications (usually around 20-30 ft-lbs).

6. Reinstall Wheel

Place the wheel back onto the hub and hand-tighten the lug nuts.
Lower the vehicle from the jack stands and torque the lug nuts to the manufacturer’s specifications (usually around 80-100 ft-lbs).

7. Test Drive

Perform a test drive to ensure that the vibration has been resolved and the braking system operates smoothly.