my Toyota Highlander Third Generation (2014-2019) is shaking when I brake, what could it be?

Toyota Highlander Third Generation (2014-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

540 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 Toyota Highlander Third Generation (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

•Always disconnect the battery before working on brake systems.
•Allow the brakes to cool before handling any components.

Symptoms

•Shaking or vibration felt in the steering wheel during braking
•Pulsating brake pedal
•Uneven wear on brake pads or rotors
•Increased stopping distance
•Potential noise (squealing or grinding) during braking

Diagnostic Steps

1
Inspect brake rotors for warping using a runout gauge.
2
Check brake pads for even wear and sufficient thickness.
3
Examine suspension components for play or damage.
4
Verify wheel alignment and balance.
5
Check for any loose or damaged brake hardware.

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

•Hydraulic jack
•Jack stands
•Socket set
•Torque wrench
•Brake cleaner
•Runout gauge

Parts Required

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

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Solution

1. Preparation

Gather all tools and parts needed for the repair.
Ensure the vehicle is on a flat surface and secure it with wheel chocks.

2. Lift the Vehicle

Use a hydraulic jack to lift the front of the vehicle.
Secure the vehicle with jack stands to ensure safety.

3. Remove Wheel

Use a socket set to remove the lug nuts from the wheel.
Take off the wheel to access the brake components.

4. Inspect and Replace Brake Rotors

Inspect for Warping: Use a runout gauge to measure rotor runout. Replace if warped beyond manufacturer's specifications (usually over 0.002 inches).
Remove Old Rotors:
- Unscrew the caliper mounting bolts using the appropriate socket.
- Remove the caliper and securely hang it to avoid stress on the brake line.
- Remove the old rotor by unscrewing any retaining screws or pulling it off the hub.
Install New Rotors:
- Clean the new rotor with brake cleaner to remove protective oils.
- Install the new rotor on the hub and secure it with retaining screws if applicable.

5. Inspect and Replace Brake Pads

Remove Old Pads: Slide out the old brake pads from the caliper bracket.
Install New Pads: Insert new brake pads into the caliper bracket ensuring they are positioned correctly.
Lubricate: Apply brake grease to the contact points of the pads.

6. Reassemble Components

Reattach the brake caliper over the new pads and rotor.
Torque the caliper mounting bolts to the manufacturer's specifications (usually around 25-35 lb-ft).
Reinstall the wheel and hand-tighten the lug nuts.

7. Lower the Vehicle

Carefully lower the vehicle off the jack stands.
Torque the lug nuts to the manufacturer's specifications (usually around 76 lb-ft).