why does my Toyota Highlander Third Generation (2014-2019) shake when I brake

Toyota Highlander Third Generation (2014-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

448 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

Discover why your Toyota Highlander shakes when braking. Follow our detailed guide for symptoms, diagnostic steps, 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 braking system.
•Allow the brakes to cool before inspection or servicing to avoid burns.

Symptoms

•Vehicle shakes or vibrates during braking
•Steering wheel vibrates when brakes are applied
•Uneven brake pad wear
•Pulsating brake pedal feel
•Increased stopping distance

Diagnostic Steps

1
Inspect brake pads and rotors for wear and damage.
2
Check rotor runout using a dial indicator.
3
Examine suspension components for play or damage.
4
Inspect wheel bearings for wear or looseness.
5
Test brake calipers for proper operation and sticking.
6
Check tire balance and condition.

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
•Dial indicator
•Brake cleaner
•Anti-seize lubricant

Parts Required

•Brake pads
•Brake rotors (if necessary)
•Suspension components (if necessary)
•Brake caliper (if necessary)
•Tire balance weights (if necessary)

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Solution

1. Preparation

Gather tools and parts needed for the repair.
Ensure the vehicle is parked on a level surface.
Set the parking brake and place wheel chocks behind the rear wheels.

2. Inspect and Replace Brake Components

Sub-steps:
1. Lift the front of the vehicle using a jack and secure it with jack stands.
2. Remove the front wheels using a socket set.
3. Inspect brake pads for wear; replace if thickness is less than 3mm.
4. Check brake rotors for scoring or warping; replace if necessary.
5. If rotors are warped, resurface or replace them according to manufacturer specifications.
6. Reinstall new or resurfaced rotors and pads, ensuring correct alignment.
7. Torque all bolts to manufacturer specifications (refer to service manual).

3. Inspect Suspension Components

Sub-steps:
1. Check the condition of control arms, bushings, and struts for wear or damage.
2. Replace any damaged components as needed.
3. Ensure alignment is within manufacturer's specifications after replacing parts.

4. Brake Caliper Inspection and Service

Sub-steps:
1. Remove the caliper mounting bolts using a socket set.
2. Inspect caliper pistons for proper movement and sealing; replace caliper if sticking.
3. Clean caliper hardware and apply anti-seize lubricant where necessary before reassembly.
4. Reinstall brake calipers and secure with specified torque.

5. Tire Inspection and Balancing

Sub-steps:
1. Inspect tires for uneven wear or damage; replace if necessary.
2. Check tire balance using a wheel balancer.
3. Adjust balance weights as needed to ensure even distribution.

Tools Required:

Socket set
Torque wrench
Jack and jack stands
Dial indicator
Brake cleaner
Anti-seize lubricant

Parts Required:

Brake pads
Brake rotors (if necessary)
Suspension components (if necessary)
Brake caliper (if necessary)
Tire balance weights (if necessary)

Estimated Repair Time: 2-4 hours

Safety Warnings:

Always disconnect the battery before working on the braking system.
Allow the brakes to cool before inspection or servicing to avoid burns.