Tech Tips
Use the table below to help determine the cause of the problem symptom. 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 | See page |
|---|---|---|
| Low pedal or spongy pedal | Fluid leaks in brake system | - |
| Air in brake system (w/ VSC) | ||
| Air in brake system (for TSAM Made) | ||
| Air in brake system (for TMT Made) | ||
| Front disc brake piston seals (Worn or damaged) (for 4WD and Pre-Runner) | ||
| Front disc brake piston seals (Worn or damaged) (for TSAM Made 2WD) | ||
| Front disc brake piston seals (Worn or damaged) (for TMT Made 2WD) | ||
| Rear brake shoe clearance (Adjustment necessary) (for 2WD) | ||
| Rear brake shoe clearance (Adjustment necessary) (for 4WD and Pre-Runner) | ||
| Brake master cylinder (Faulty) (w/ VSC) | ||
| Brake master cylinder (Faulty) (for TSAM Made) | ||
| Brake master cylinder (Faulty) (for TMT Made) | ||
| Booster push rod (Adjustment necessary) (w/ VSC) | ||
| Booster push rod (Adjustment necessary) (for TSAM Made) | ||
| Booster push rod (Adjustment necessary) (for TMT Made) | ||
| Brake drag | Brake pedal free play (Minimal) (w/ VSC) | |
| Brake pedal free play (Minimal) (w/o VSC) | ||
| Parking brake shoe lever travel (Adjustment necessary) | ||
| No. 1 parking brake wire (Stuck) (for 2WD) | ||
| No. 2 parking brake wire (Stuck) (for 2WD) | ||
| No. 3 parking brake wire (Stuck) (for 2WD) | ||
| No. 1 parking brake wire (Stuck) (for 4WD and Pre-Runner) | ||
| No. 2 parking brake wire (Stuck) (for 4WD and Pre-Runner) | ||
| No. 3 parking brake wire (Stuck) (for 4WD and Pre-Runner) | ||
| Rear brake shoe clearance (Adjustment necessary) (for 2WD) | ||
| Rear brake shoe clearance (Adjustment necessary) (for 4WD and Pre-Runner) | ||
| Front disc brake pad (Cracked or distorted) (for 4WD and Pre-Runner) | ||
| Front disc brake pad (Cracked or distorted) (for TSAM Made 2WD) | ||
| Front disc brake pad (Cracked or distorted) (for TMT Made 2WD) | ||
| Rear brake shoe lining (Cracked or distorted) (for 2WD) | ||
| Rear brake shoe lining (Cracked or distorted) (for 4WD and Pre-Runner) | ||
| Front brake piston (Stuck or frozen) (for 4WD and Pre-Runner) | ||
| Front brake piston (Stuck or frozen) (for TSAM Made 2WD) | ||
| Front brake piston (Stuck or frozen) (for TMT Made 2WD) | ||
| Rear wheel cylinder (Stuck or frozen) (for 2WD) | ||
| Rear wheel cylinder (Stuck or frozen) (for 4WD and Pre-Runner) | ||
| Rear brake shoe tension or return spring (Faulty) (for 2WD) | ||
| Rear brake shoe tension or return spring (Faulty) (for 4WD and Pre-Runner) | ||
| Booster push rod (Adjustment necessary) (w/ VSC) | ||
| Booster push rod (Adjustment necessary) (for TSAM Made) | ||
| Booster push rod (Adjustment necessary) (for TMT Made) | ||
| Vacuum leaks in booster system (w/ VSC) | ||
| Vacuum leaks in booster system (for TSAM Made) | ||
| Vacuum leaks in booster system (for TMT Made) | ||
| Brake master cylinder (Faulty) (w/ VSC) | ||
| Brake master cylinder (Faulty) (for TSAM Made) | ||
| Brake master cylinder (Faulty) (for TMT Made) | ||
| Brake pull | Front disc brake piston (Stuck or frozen) (for 4WD and Pre-Runner) | |
| Front disc brake piston (Stuck or frozen) (for TSAM Made 2WD) | ||
| Front disc brake piston (Stuck or frozen) (for TMT Made 2WD) | ||
| Rear wheel cylinder (Stuck or frozen) (for 2WD) | ||
| Rear wheel cylinder (Stuck or frozen) (for 4WD and Pre-Runner) | ||
| Front disc brake pad (Oily, cracked or distorted) (for 4WD and Pre-Runner) | ||
| Front disc brake pad (Oily, cracked or distorted) (for TSAM Made 2WD) | ||
| Front disc brake pad (Oily, cracked or distorted) (for TMT Made 2WD) | ||
| Rear brake shoe lining (Oily, cracked or distorted) (for 2WD) | ||
| Rear brake shoe lining (Oily, cracked or distorted) (for 4WD and Pre-Runner) | ||
| Front disc (Scored) (for 4WD and Pre-Runner) | ||
| Front disc (Scored) (for TSAM Made 2WD) | ||
| Front disc (Scored) (for TMT Made 2WD) | ||
| Brake pedal is depressed firmly but brake is insufficient | Fluid leaks in brake system | - |
| Air in brake system (w/ VSC) | ||
| Air in brake system (for TSAM Made) | ||
| Air in brake system (for TMT Made) | ||
| Front disc brake pad (Worn, cracked, distorted, oily or glazed) (for 4WD and Pre-Runner) | ||
| Front disc brake pad (Worn, cracked, distorted, oily or glazed) (for TSAM Made 2WD) | ||
| Front disc brake pad (Worn, cracked, distorted, oily or glazed) (for TMT Made 2WD) | ||
| Rear brake shoe lining (Worn, cracked, distorted, oily or glazed) (for 2WD) | ||
| Rear brake shoe lining (Worn, cracked, distorted, oily or glazed) (for 4WD and Pre-Runner) | ||
| Rear brake shoe clearance (Adjustment necessary) (for 2WD) | ||
| Rear brake shoe clearance (Adjustment necessary) (for 4WD and Pre-Runner) | ||
| Front brake disc (Scored) (for 4WD and Pre-Runner) | ||
| Front brake disc (Scored) (for TSAM Made 2WD) | ||
| Front brake disc (Scored) (for TMT Made 2WD) | ||
| Booster push rod (Adjustment necessary) (w/ VSC) | ||
| Booster push rod (Adjustment necessary) (for TSAM Made) | ||
| Booster push rod (Adjustment necessary) (for TMT Made) | ||
| Vacuum leaks in booster system (w/ VSC) | ||
| Vacuum leaks in booster system (for TSAM Made) | ||
| Vacuum leaks in booster system (for TMT Made) | ||
| Noise from brakes | Front disc brake pad (Cracked, distorted, dirty or glazed) (for 4WD and Pre-Runner) | |
| Front disc brake pad (Cracked, distorted, dirty or glazed) (for TSAM Made 2WD) | ||
| Front disc brake pad (Cracked, distorted, dirty or glazed) (for TMT Made 2WD) | ||
| Rear brake shoe lining (Cracked, distorted, dirty or glazed) (for 2WD) | ||
| Rear brake shoe lining (Cracked, distorted, dirty or glazed) (for 4WD and Pre-Runner) | ||
| Front disc installation bolt (for 4WD and Pre-Runner) | ||
| Front disc installation bolt (for TSAM Made 2WD) | ||
| Front disc installation bolt (for TMT Made 2WD) | ||
| Front brake disc (Scored) (for 4WD and Pre-Runner) | ||
| Front brake disc (Scored) (for TSAM Made 2WD) | ||
| Front brake disc (Scored) (for TMT Made 2WD) | ||
| Front disc brake pad support plate (Loose) (for TSAM Made 2WD) | ||
| Front disc brake pad support plate (Loose) (for TMT Made 2WD) | ||
| Rear brake shoe tension or return spring (Faulty) (for 2WD) | ||
| Rear brake shoe tension or return spring (Faulty) (for 4WD and Pre-Runner) | ||
| Front disc brake anti-squeal shim (Damaged) (for 4WD and Pre-Runner) | ||
| Front disc brake anti-squeal shim (Damaged) (for TSAM Made 2WD) | ||
| Front disc brake anti-squeal shim (Damaged) (for TMT Made 2WD) | ||
| Rear brake shoe hold down spring (Damaged) (for 2WD) | ||
| Rear brake shoe hold down spring (Damaged) (for 4WD and Pre-Runner) |