Tech Tips
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 pedal or spongy pedal | Fluid leaks in brake system | - |
| Air in brake system (w/ VSC) | ||
| Air in brake system (w/o VSC) | ||
| Air in brake system (w/o ABS) | ||
| Front disc brake piston seals (Worn or damaged) (for 15 inch Front Disc Brake 2WD) | ||
| Front disc brake piston seals (Worn or damaged) (for 16 inch Front Disc Brake 2WD) | ||
| Front disc brake piston seals (Worn or damaged) (for 4WD and Pre-Runner) | ||
| Rear brake shoe clearance (Adjustment necessary) (for TSAM Made 2WD) | ||
| Rear brake shoe clearance (Adjustment necessary) (for TSAM Made 4WD and Pre-Runner) | ||
| Rear brake shoe clearance (Adjustment necessary) (for TMT Made 2WD) | ||
| Rear brake shoe clearance (Adjustment necessary) (for TMT Made 4WD and Pre-Runner) | ||
| Brake master cylinder (Faulty) (w/ ABS) | ||
| Brake master cylinder (Faulty) (w/o ABS) | ||
| Booster push rod (Adjustment necessary) (w/ ABS) | ||
| Booster push rod (Adjustment necessary) (w/o ABS) | ||
| Brake drag | Brake pedal free play (Minimal) | |
| 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 TSAM Made 2WD) | ||
| Rear brake shoe clearance (Adjustment necessary) (for TSAM Made 4WD and Pre-Runner) | ||
| Rear brake shoe clearance (Adjustment necessary) (for TMT Made 2WD) | ||
| Rear brake shoe clearance (Adjustment necessary) (for TMT Made 4WD and Pre-Runner) | ||
| Front disc brake pad (Cracked or distorted) (for 15 inch Front Disc Brake 2WD) | ||
| Front disc brake pad (Cracked or distorted) (for 16 inch Front Disc Brake 2WD) | ||
| Front disc brake pad (Cracked or distorted) (for 4WD and Pre-Runner) | ||
| Rear brake shoe lining (Cracked or distorted) (for TSAM Made 2WD) | ||
| Rear brake shoe lining (Cracked or distorted) (for TSAM Made 4WD and Pre-Runner) | ||
| Rear brake shoe lining (Cracked or distorted) (for TMT Made 2WD) | ||
| Rear brake shoe lining (Cracked or distorted) (for TMT Made 4WD and Pre-Runner) | ||
| Front disc brake piston (Stuck or frozen) (for 15 inch Front Disc Brake 2WD) | ||
| Front disc brake piston (Stuck or frozen) (for 16 inch Front Disc Brake 2WD) | ||
| Front disc brake piston (Stuck or frozen) (for 4WD and Pre-Runner) | ||
| Rear wheel cylinder (Stuck or frozen) (for TSAM Made 2WD) | ||
| Rear wheel cylinder (Stuck or frozen) (for TSAM Made 4WD and Pre-Runner) | ||
| Rear wheel cylinder (Stuck or frozen) (for TMT Made 2WD) | ||
| Rear wheel cylinder (Stuck or frozen) (for TMT Made 4WD and Pre-Runner) | ||
| Rear brake shoe tension or return spring (Faulty) (for TSAM Made 2WD) | ||
| Rear brake shoe tension or return spring (Faulty) (for TSAM Made 4WD and Pre-Runner) | ||
| Rear brake shoe tension or return spring (Faulty) (for TMT Made 2WD) | ||
| Rear brake shoe tension or return spring (Faulty) (for TMT Made 4WD and Pre-Runner) | ||
| Booster push rod (Adjustment necessary) (w/ ABS) | ||
| Booster push rod (Adjustment necessary) (w/o ABS) | ||
| Vacuum leaks in booster system (w/ ABS) | ||
| Vacuum leaks in booster system (w/o ABS) | ||
| Brake master cylinder (Faulty) (w/ ABS) | ||
| Brake master cylinder (Faulty) (w/o ABS) | ||
| Brake pull | Front disc brake piston (Stuck or frozen) (for 15 inch Front Disc Brake 2WD) | |
| Front disc brake piston (Stuck or frozen) (for 16 inch Front Disc Brake 2WD) | ||
| Front disc brake piston (Stuck or frozen) (for 4WD and Pre-Runner) | ||
| Rear wheel cylinder (Stuck or frozen) (for TSAM Made 2WD) | ||
| Rear wheel cylinder (Stuck or frozen) (for TSAM Made 4WD and Pre-Runner) | ||
| Rear wheel cylinder (Stuck or frozen) (for TMT Made 2WD) | ||
| Rear wheel cylinder (Stuck or frozen) (for TMT Made 4WD and Pre-Runner) | ||
| Front disc brake pad (Oily, cracked or distorted) (for 15 inch Front Disc Brake 2WD) | ||
| Front disc brake pad (Oily, cracked or distorted) (for 16 inch Front Disc Brake 2WD) | ||
| Front disc brake pad (Oily, cracked or distorted) (for 4WD and Pre-Runner) | ||
| Rear brake shoe lining (Oily, cracked or distorted) (for TSAM Made 2WD) | ||
| Rear brake shoe lining (Oily, cracked or distorted) (for TSAM Made 4WD and Pre-Runner) | ||
| Rear brake shoe lining (Oily, cracked or distorted) (for TMT Made 2WD) | ||
| Rear brake shoe lining (Oily, cracked or distorted) (for TMT Made 4WD and Pre-Runner) | ||
| Front disc (Scored) (for 15 inch Front Disc Brake 2WD) | ||
| Front disc (Scored) (for 16 inch Front Disc Brake 2WD) | ||
| Front disc (Scored) (for 4WD and Pre-Runner) | ||
| Brake pedal is depressed firmly but brake is insufficient | Fluid leaks in brake system | - |
| Air in brake system (w/ VSC) | ||
| Air in brake system (w/o VSC) | ||
| Air in brake system (w/o ABS) | ||
| Front disc brake pad (Worn, cracked, distorted, oily or glazed) (for 15 inch Front Disc Brake 2WD) | ||
| Front disc brake pad (Worn, cracked, distorted, oily or glazed) (for 16 inch Front Disc Brake 2WD) | ||
| Front disc brake pad (Worn, cracked, distorted, oily or glazed) (for 4WD and Pre-Runner) | ||
| Rear brake shoe lining (Worn, cracked, distorted, oily or glazed) (for TSAM Made 2WD) | ||
| Rear brake shoe lining (Worn, cracked, distorted, oily or glazed) (for TSAM Made 4WD and Pre-Runner) | ||
| Rear brake shoe lining (Worn, cracked, distorted, oily or glazed) (for TMT Made 2WD) | ||
| Rear brake shoe lining (Worn, cracked, distorted, oily or glazed) (for TMT Made 4WD and Pre-Runner) | ||
| Rear brake shoe clearance (Adjustment necessary) (for TSAM Made 2WD) | ||
| Rear brake shoe clearance (Adjustment necessary) (for TSAM Made 4WD and Pre-Runner) | ||
| Rear brake shoe clearance (Adjustment necessary) (for TMT Made 2WD) | ||
| Rear brake shoe clearance (Adjustment necessary) (for TMT Made 4WD and Pre-Runner) | ||
| Front brake disc (Scored) (for 15 inch Front Disc Brake 2WD) | ||
| Front brake disc (Scored) (for 16 inch Front Disc Brake 2WD) | ||
| Front brake disc (Scored) (for 4WD and Pre-Runner) | ||
| Booster push rod (Adjustment necessary) (w/ ABS) | ||
| Booster push rod (Adjustment necessary) (w/o ABS) | ||
| Vacuum leaks in booster system (w/ ABS) | ||
| Vacuum leaks in booster system (w/o ABS) | ||
| Noise from brakes | Front disc brake pad (Cracked, distorted, dirty or glazed) (for 15 inch Front Disc Brake 2WD) | |
| Front disc brake pad (Cracked, distorted, dirty or glazed) (for 16 inch Front Disc Brake 2WD) | ||
| Front disc brake pad (Cracked, distorted, dirty or glazed) (for 4WD and Pre-Runner) | ||
| Rear brake shoe lining (Cracked, distorted, dirty or glazed) (for TSAM Made 2WD) | ||
| Rear brake shoe lining (Cracked, distorted, dirty or glazed) (for TSAM Made 4WD and Pre-Runner) | ||
| Rear brake shoe lining (Cracked, distorted, dirty or glazed) (for TMT Made 2WD) | ||
| Rear brake shoe lining (Cracked, distorted, dirty or glazed) (for TMT Made 4WD and Pre-Runner) | ||
| Front brake installation bolt (for 15 inch Front Disc Brake 2WD) | ||
| Front brake installation bolt (for 16 inch Front Disc Brake 2WD) | ||
| Front brake installation bolt (for 4WD and Pre-Runner) | ||
| Front disc (scored) (for 15 inch Front Disc Brake 2WD) | ||
| Front disc (scored) (for 16 inch Front Disc Brake 2WD) | ||
| Front disc (scored) (for 4WD and Pre-Runner) | ||
| Rear brake shoe tension or return spring (Faulty) (for TSAM Made 2WD) | ||
| Rear brake shoe tension or return spring (Faulty) (for TSAM Made 4WD and Pre-Runner) | ||
| Rear brake shoe tension or return spring (Faulty) (for TMT Made 2WD) | ||
| Rear brake shoe tension or return spring (Faulty) (for TMT Made 4WD and Pre-Runner) | ||
| Front disc brake anti-squeal shim (Damaged) (for 15 inch Front Disc Brake 2WD) | ||
| Front disc brake anti-squeal shim (Damaged) (for 16 inch Front Disc Brake 2WD) | ||
| Front disc brake anti-squeal shim (Damaged) (for 4WD and Pre-Runner) | ||
| Rear brake shoe hold down spring (Damaged) (for TSAM Made 2WD) | ||
| Rear brake shoe hold down spring (Damaged) (for TSAM Made 4WD and Pre-Runner) | ||
| Rear brake shoe hold down spring (Damaged) (for TMT Made 2WD) | ||
| Rear brake shoe hold down spring (Damaged) (for TMT Made 4WD and Pre-Runner) |