how to diagnose my Toyota Corolla E170 (2013-2019) when it shakes during braking?

Toyota Corolla E170 (2013-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

525 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 shaking during braking in Toyota Corolla E170 (2013-2019). 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 ensure the vehicle is secure on jack stands before working underneath.
•Allow the brakes to cool down before touching any components.

Symptoms

•Vibration felt through the steering wheel when braking
•Pulsating brake pedal during braking
•Vehicle pulls to one side when braking
•Increased stopping distance
•Uneven tire wear

Diagnostic Steps

1
Inspect brake components visually for wear, damage, or contamination.
2
Check brake rotor thickness using a micrometer to ensure they meet manufacturer specifications.
3
Examine brake pads for uneven wear or glazing.
4
Perform a wheel alignment check to rule out suspension issues.
5
Inspect tires for damage, proper inflation, and uneven wear patterns.
6
Test drive the vehicle to replicate and assess the severity of the shaking.

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

•Lug wrench
•Jack and jack stands
•Socket set
•Torque wrench
•Dial indicator (for rotor measurement)
•Micrometer (for rotor thickness)

Parts Required

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

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Diagnostic Steps

1
Inspect brake components visually for wear, damage, or contamination.
2
Check brake rotor thickness using a micrometer to ensure they meet manufacturer specifications.
3
Examine brake pads for uneven wear or glazing.
4
Perform a wheel alignment check to rule out suspension issues.
5
Inspect tires for damage, proper inflation, and uneven wear patterns.
6
Test drive the vehicle to replicate and assess the severity of the shaking.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a flat surface and engage the parking brake.
Disconnect the negative battery terminal to avoid any electrical issues.

2. Remove Wheel

Use a lug wrench to loosen the lug nuts while the vehicle is on the ground.
Lift the vehicle using a jack and secure it with jack stands.
Remove the lug nuts completely and take off the wheel.

3. Inspect and Replace Brake Components

Brake Rotor Inspection and Replacement:
- Check the brake rotor for warping or scoring using a dial indicator.
- If warped beyond tolerance, remove the rotor by unscrewing the caliper bracket bolts.
- Install new rotors, ensuring they are properly torqued to manufacturer specifications (typically around 70-90 ft-lbs).
Brake Pad Inspection and Replacement:
- Inspect brake pads for thickness; replace if below the manufacturer's minimum thickness (usually around 3mm).
- Remove the caliper using a socket wrench, then slide out the old pads.
- Insert new pads into the caliper bracket and reattach the caliper.

4. Reassemble and Test

Reinstall the wheel and hand-tighten the lug nuts.
Lower the vehicle and torque the lug nuts to the manufacturer specifications (usually around 76-84 ft-lbs).
Reconnect the negative battery terminal and perform a test drive to verify the repair.