why does my Toyota Highlander XU70 (2020-Present) shake when I brake?

Toyota Highlander XU70 (2020-Present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

415 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 the 2020-present Toyota Highlander XU70. 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 the vehicle’s electrical systems.
•Allow the vehicle to cool before working on the brakes to avoid burns.

Symptoms

•Vibration felt through the brake pedal
•Shaking of the steering wheel during braking
•Increased stopping distance
•Squeaking or grinding noise from the brakes
•Uneven brake pad wear

Diagnostic Steps

1
Inspect brake pads for wear and condition.
2
Check brake rotors for warping or damage using a runout gauge.
3
Examine suspension components, including control arms and bushings, for wear.
4
Inspect wheel bearings for play or damage.
5
Verify tire condition and balance.

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
•Jack and jack stands
•Runout gauge
•Brake cleaner

Parts Required

•Brake pads
•Brake rotors
•Suspension components (if needed)

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Solution

1. Preparation

Gather necessary tools and parts.
Park the vehicle on a level surface and engage the parking brake.

2. Raise the Vehicle

Use a jack to lift the front of the vehicle.
Secure it with jack stands for safety.

3. Inspect and Replace Brake Components

Brake Pads:
- Remove the wheel using a socket set.
- Inspect brake pads for thickness; replace if less than 3mm.
- Install new brake pads, ensuring proper orientation.
Brake Rotors:
- Remove caliper bolts and lift the caliper aside.
- Remove the rotor by unscrewing the retaining screws (if equipped).
- Check rotor thickness; replace if below manufacturer specs or if warped.
- Install new rotor and reattach caliper.

4. Suspension Inspection

Inspect control arms and bushings for wear or damage.
Tighten any loose bolts and replace worn components as necessary.

5. Wheel and Tire Check

Inspect tires for uneven wear or damage; replace if necessary.
Balance the wheels and check for proper alignment.