my Toyota Highlander Third Generation (2014-2019) shakes when I brake what should I check

Toyota Highlander Third Generation (2014-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

523 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 diagnostic procedures and repair instructions.

Affected Component

Brakes

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is securely supported on jack stands before working underneath.
•Allow the brake system to cool before handling components after driving.

Symptoms

•Shaking or vibrating sensation when braking
•Steering wheel vibration during braking
•Increased stopping distance
•Pulsating brake pedal
•Brake warning light may illuminate

Diagnostic Steps

1
Inspect brake rotors for warping or damage.
2
Check brake pads for uneven wear or contamination.
3
Examine suspension components (e.g., control arms, bushings, and tie rods) for wear or damage.
4
Assess wheel alignment and balance.
5
Scan for any error codes related to the 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 and jack stands
•Socket set
•Torque wrench
•Dial indicator
•Brake cleaner
•Brake grease

Parts Required

•Brake rotors (if warped)
•Brake pads (if worn)

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Diagnostic Steps

1
Inspect brake rotors for warping or damage.
2
Check brake pads for uneven wear or contamination.
3
Examine suspension components (e.g., control arms, bushings, and tie rods) for wear or damage.
4
Assess wheel alignment and balance.
5
Scan for any error codes related to the braking system using an OBD-II scanner.

Solution

1. Preparation

Gather tools and parts.
Ensure the vehicle is parked on a level surface and engage the parking brake.
Use wheel chocks for added safety.

2. Inspect and Replace Brake Rotors

Remove the Wheel
- Use a jack to lift the vehicle and secure it with jack stands.
- Remove the lug nuts with a socket set and take off the wheel.
Check Rotor Condition
- Use a dial indicator to measure rotor runout. If it exceeds manufacturer specifications, replace the rotor.
Remove Rotors
- Remove caliper bolts and detach the caliper. Support it without stretching the brake line.
- Remove the rotor retaining screws (if applicable) and slide the rotor off.
Install New Rotors
- Clean the new rotors with brake cleaner to remove protective oil.
- Install the new rotor and secure it with retaining screws.
Reattach Caliper
- Reinstall the caliper over the new rotor and tighten the caliper bolts to the manufacturer's torque specifications.

3. Inspect and Replace Brake Pads

Remove Brake Pads
- With the caliper removed, slide out the old brake pads from their brackets.
Check Pad Condition
- Inspect the pads for uneven wear. Replace if necessary.
Install New Pads
- Apply brake grease to the backing of the new pads (avoid contact with the friction surface).
- Slide the new pads into the caliper brackets.

4. Inspect Suspension Components

Visual Inspection
- Inspect all suspension components for wear or damage, focusing on bushings and joints.
Replace Worn Components
- If any parts are found to be worn, replace them according to manufacturer specifications.