why does my Toyota Corolla E170 (2013-2019) shake when I brake

Toyota Corolla E170 (2013-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

496 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

Discover how to diagnose and fix shaking during braking in Toyota Corolla E170 (2013-2019). Step-by-step guide with symptoms, diagnostics, and solutions.

Affected Component

Brakes

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always wear safety glasses when working on brake systems.
•Ensure the vehicle is securely lifted and supported before working underneath.

Symptoms

•Steering wheel shakes or vibrates when braking
•Pulsation felt through the brake pedal
•Vehicle pulls to one side during braking
•Increased stopping distance
•Unusual noises (grinding or squeaking) when braking
•Brake warning light may illuminate

Diagnostic Steps

1
Inspect brake components for wear, including pads and rotors.
2
Check wheel alignment and suspension components for wear or damage.
3
Perform a visual inspection of tires for uneven wear or damage.
4
Test brake fluid levels and inspect for contamination.
5
Scan the vehicle for any error codes related to the braking system.
6
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

•Socket set
•Torque wrench
•Dial gauge (for rotor inspection)
•Tire pressure gauge

Parts Required

•Brake pads
•Brake rotors
•Brake fluid (if needed)

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Diagnostic Steps

1
Inspect brake components for wear, including pads and rotors.
2
Check wheel alignment and suspension components for wear or damage.
3
Perform a visual inspection of tires for uneven wear or damage.
4
Test brake fluid levels and inspect for contamination.
5
Scan the vehicle for any error codes related to the braking system.
6
Check for any loose or damaged brake hardware.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a flat surface and the engine is off.
Use wheel chocks to secure the vehicle.

2. Inspect and Replace Brake Pads and Rotors

Sub-steps:
1. Remove the wheel using a socket set.
2. Inspect brake pads for thickness; replace if less than 3mm.
3. Check rotors for warpage using a dial gauge; replace if warpage exceeds manufacturer's specifications.
4. If rotors are within specifications, consider resurfacing them to eliminate any unevenness.
5. Install new brake pads and reassemble brakes according to the manufacturer's specifications.

Tools Required:

Socket set
Torque wrench
Dial gauge (for rotor inspection)

3. Check and Adjust Wheel Alignment

Sub-steps:
1. Inspect suspension components for damage (tie rods, control arms).
2. If components are intact, take the vehicle to a professional alignment shop.
3. Ensure alignment is done according to manufacturer specifications.

4. Inspect Tires

Sub-steps:
1. Visually inspect tires for uneven wear patterns or damage.
2. Rotate tires if uneven wear is present.
3. Replace tires if tread depth is below 2/32".

5. Brake Fluid Check

Sub-steps:
1. Open the brake fluid reservoir cap.
2. Check fluid level and condition; replace if contaminated or low.
3. Bleed the brakes to remove air bubbles if necessary.