why is my Toyota Highlander Third Generation (2014-2019) shaking when I brake?

Toyota Highlander Third Generation (2014-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

546 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 Toyota Highlander (2014-2019). Step-by-step guide with 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 electrical components.
•Allow the brakes to cool before touching components after driving.

Symptoms

•Shaking or vibration felt in the steering wheel when braking
•Pulsating brake pedal during braking
•Uneven wear on brake pads or rotors
•Increased stopping distance
•Noise from the brakes (squeaking or grinding)

Diagnostic Steps

1
Inspect brake rotors for warping or uneven wear.
2
Check brake pads for thickness and condition.
3
Examine suspension components (e.g., control arms, bushings, and tie rods) for wear or damage.
4
Test wheel alignment and balance.
5
Scan for any ABS fault codes using an OBD-II scanner.

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
•Socket set
•Torque wrench
•Micrometer
•Brake cleaner
•C-clamp

Parts Required

•Brake rotors (if warped or worn)
•Brake pads (if worn)
•Suspension components (if damaged)

Related Faults

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Solution

1. Preparation

Gather tools and safety equipment.
Ensure the vehicle is parked on a level surface and the parking brake is engaged.
Wear safety gloves and goggles.

2. Inspect and Replace Brake Rotors

Lift the Vehicle: Use a jack to raise the front of the vehicle and secure with jack stands.
Remove Wheel: Use a socket set to remove the lug nuts and take off the wheel.
Measure Rotor Thickness: Use a micrometer to measure rotor thickness. Replace if below manufacturer specifications.
Check for Warping: Mount the rotor on a brake lathe or use a dial indicator to check for warping. Replace if warped beyond tolerance.
Install New Rotors: If replacing, clean the new rotors with brake cleaner, then install them onto the hub and torque to manufacturer specifications.

3. Inspect and Replace Brake Pads

Remove Caliper: Use a socket set to remove the caliper bolts and lift the caliper off the rotor.
Check Brake Pads: Inspect the pads for thickness. If less than 3mm, replace them.
Install New Pads: Compress the caliper piston using a C-clamp, then install new brake pads into the caliper bracket.
Reassemble Caliper: Reattach the caliper over the new pads and torque bolts to manufacturer specifications.

4. Inspect Suspension Components

Visual Inspection: Check control arms, bushings, and tie rods for any visible cracks or wear.
Check Ball Joints: Ensure ball joints are not loose or damaged.
Replace Worn Components: If any components are damaged, replace them before reassembling.

5. Wheel Alignment and Balance

Check Alignment: After replacing components, take the vehicle to a professional service for alignment.
Balance Wheels: Ensure the wheels are balanced to prevent shaking.