| Last Modified: 05-13-2024 | 6.11:8.1.0 | Doc ID: RM100000001GOQB |
| Model Year Start: 2020 | Model: Corolla | Prod Date Range: [01/2019 - 09/2022] |
| Title: BRAKE SYSTEM (OTHER): BRAKE SYSTEM (for HV Model): PROBLEM SYMPTOMS TABLE; 2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022] | ||
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
Low or spongy pedal |
Fluid leaks in brake system |
- |
|
Air in brake system |
|
|
|
Front brake piston seals (worn or damaged) |
|
|
|
Rear brake piston seals (worn or damaged) |
|
|
|
Brake booster with master cylinder assembly (faulty) |
|
|
|
Parking brake actuator O-ring |
|
|
|
Brake drag |
Brake pedal free play (insufficient) |
|
|
Parking brake actuator |
|
|
|
Front disc brake pad (cracked or distorted) |
|
|
|
Rear disc brake pad (cracked or distorted) |
|
|
|
Front brake piston (stuck) |
|
|
|
Rear brake piston (stuck) |
|
|
|
Front brake piston (seized) |
|
|
|
Rear brake piston (seized) |
|
|
|
Brake booster with master cylinder assembly (faulty) |
|
|
|
Brake pull |
Front brake piston (stuck) |
|
|
Rear brake piston (stuck) |
|
|
|
Front disc brake pad (oily) |
|
|
|
Rear disc brake pad (oily) |
|
|
|
Front brake piston (seized) |
|
|
|
Rear brake piston (seized) |
|
|
|
Front disc (scored) |
|
|
|
Rear disc (scored) |
|
|
|
Front disc brake pad (cracked or distorted) |
|
|
|
Rear disc brake pad (cracked or distorted) |
|
|
|
Hard pedal but brake inefficient |
Front disc brake pad (worn) |
|
|
Rear disc brake pad (worn) |
|
|
|
Front disc brake pad (cracked or distorted) |
|
|
|
Rear disc brake pad (cracked or distorted) |
|
|
|
Front disc brake pad (oily) |
|
|
|
Rear disc brake pad (oily) |
|
|
|
Front disc brake pad (glazed) |
|
|
|
Rear disc brake pad (glazed) |
|
|
|
Front brake piston (stuck) |
|
|
|
Rear brake piston (stuck) |
|
|
|
Front brake piston (seized) |
|
|
|
Rear brake piston (seized) |
|
|
|
Front disc (scored) |
|
|
|
Rear disc (scored) |
|
|
|
Noise from brakes |
Front disc brake pad (cracked or distorted) |
|
|
Rear disc brake pad (cracked or distorted) |
|
|
|
Front disc brake cylinder mounting bolt (loose) |
|
|
|
Rear disc brake cylinder mounting bolt (loose) |
|
|
|
Front disc (scored) |
|
|
|
Rear disc (scored) |
|
|
|
Front disc brake pad support plate (loose) |
|
|
|
Rear disc brake pad support plate (loose) |
|
|
|
Front disc brake cylinder slide pin (worn) |
|
|
|
Rear disc brake cylinder slide pin (worn) |
|
|
|
Front disc brake pad (dirty) |
|
|
|
Rear disc brake pad (dirty) |
|
|
|
Front disc brake pad (glazed) |
|
|
|
Rear disc brake pad (glazed) |
|
|
|
Front brake anti-squeal shim (damaged) |
|
|
|
Rear brake anti-squeal shim (damaged) |
|
![2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]; BRAKE SYSTEM (OTHER): BRAKE FLUID (for HV Model): BLEEDING](/t3Portal/stylegraphics/info.gif)
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