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

519 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 2014-2019 Toyota Highlander. 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 ensure the vehicle is secure on jack stands before working underneath.
•Allow the brakes to cool down before handling components.

Symptoms

•Shaking or vibration felt in the steering wheel while braking
•Pulsation in the brake pedal
•Increased stopping distance
•Uneven wear on brake pads
•Noise during braking (grinding or squeaking)

Diagnostic Steps

1
Inspect brake pads for wear and unevenness.
2
Check brake rotors for warping or scoring.
3
Examine suspension components (e.g., control arms, bushings) for damage or wear.
4
Check wheel alignment and balance.
5
Scan for any error codes related to the ABS or braking system 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
•Jack stands
•Lug wrench
•Torque wrench
•OBD-II scanner
•Caliper tool
•Brake cleaner
•Safety goggles

Parts Required

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

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Solution

1. Preparation

Tools Required: Jack, jack stands, lug wrench, torque wrench, OBD-II scanner, caliper tool, brake cleaner, and safety goggles.
Ensure the vehicle is parked on a level surface and the parking brake is engaged.

2. Remove Wheels

Sub-steps:
1. Loosen the lug nuts on the front wheels with a lug wrench slightly while the vehicle is on the ground.
2. Use the jack to lift the front of the vehicle and place jack stands for safety.
3. Remove the lug nuts completely and take off the wheels.

3. Inspect and Replace Brake Pads and Rotors

Sub-steps:
1. Remove the caliper by unscrewing the caliper bolts using the appropriate socket.
2. Carefully lift the caliper off the rotor and support it with a bungee cord to avoid straining the brake line.
3. Remove the old brake pads from the caliper bracket.
4. Measure the brake rotor thickness; replace if below manufacturer specifications or if warped (check for runout).
5. Clean the rotor surface with brake cleaner.
6. Install new brake pads and, if necessary, new rotors.
7. Reattach the caliper and torque bolts to the manufacturer’s specifications.

4. Inspect Suspension Components

Sub-steps:
1. Check control arms and bushings for signs of wear or damage.
2. Inspect tie rods and ball joints for play.
3. Replace any damaged or worn components.

5. Reinstall Wheels

Sub-steps:
1. Place the wheels back onto the hubs and hand-tighten the lug nuts.
2. Lower the vehicle off the jack stands and remove the jack.
3. Torque the lug nuts to the manufacturer’s specifications in a crisscross pattern.