Lexus ES: Problem Symptoms Table
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 brake pad (cracked or distorted) | | |
| Rear 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 brake pad (oily) | | |
| Rear brake pad (oily) | | |
| Front brake piston (seized) | | |
| Rear brake piston (seized) | | |
| Front disc (scored) | | |
| Rear disc (scored) | | |
| Front brake pad (cracked or distorted) | | |
| Rear brake pad (cracked or distorted) | | |
| Hard pedal but brake inefficient | Front brake pad (worn) | |
| Rear brake pad (worn) | | |
| Front brake pad (cracked or distorted) | | |
| Rear brake pad (cracked or distorted) | | |
| Front brake pad (oily) | | |
| Rear brake pad (oily) | | |
| Front brake pad (glazed) | | |
| Rear 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 brake pad (cracked or distorted) | |
| Rear brake pad (cracked or distorted) | | |
| Front brake cylinder mounting bolt (loose) | | |
| Rear brake cylinder mounting bolt (loose) | | |
| Front disc (scored) | | |
| Rear disc (scored) | | |
| Front brake pad support plate (loose) | | |
| Rear brake pad support plate (loose) | | |
| Front disc brake cylinder slide pin (worn) | | |
| Rear disc brake cylinder slide pin (worn) | | |
| Front brake pad (dirty) | | |
| Rear brake pad (dirty) | | |
| Front brake pad (glazed) | | |
| Rear brake pad (glazed) | | |
| Front brake anti-squeal shim (damaged) | | |
| Rear brake anti-squeal shim (damaged) | |
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