Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota 4Runner 1996-2003 Approved SIL techinfo.toyota.com ileaf 02toyrm 02toypdf 02rmsour 2002 024runne br trou pst
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BR-2
BRAKE - TROUBLESHOOTING
TROUBLESHOOTING
BR07J-08
PROBLEM SYMPTOMS TABLE
Use the table below to help you find the cause of the problem. The numbers indicate the priority of the likely
cause of the problem. Check each part in order. If necessary, replace these parts.
Symptom Suspect Area See page
4. Brake system (Fluid leaks) DI-374
5. Brake system (Air in) BR-4
Low pedal or spongy pedal 6. Piston seals (Worn or damaged) BR-15
7. Rear brake shoe clearance (Out of adjustment) BR-25
8. Hydraulic brake booster (Fauly) BR-26
1. Brake pedal freeplay (Minimal) BR-9
2. Parking brake lever travel (Out of adjustment) BR-1 1
3. Parking brake wire (Sticking) -
4. Rear brake shoe clearance (Out of adjustment) BR-25
5. Pad or lining (Cracked or distorted) BR-12
Brake drag
BR-21
6. Piston (Stuck) BR-15
7. Piston (Frozen) BR-15
8. Anchor or return spring (Faulty) BR-21
9. Hydraulic brake booster (Faulty) BR-26
1. Piston (Stuck) BR-15
2. Pad or lining (Oily) BR-12
BR-21
3. Piston (Frozen) BR-15
Brake pull
4. Disc (Scored) BR-15
5. Pad or lining (Cracked or distorted) BR-12
BR-21
6. Hydraulic brake booster (Faulty) BR-26
1. Brake system (Fluid leaks) DI-374
2. Brake system (Air in) BR-4
3. Pad or lining (Worn) BR-12
BR-21
4. Pad or lining (Cracked or distorted) BR-12
BR-21
Hard pedal but brake inefficient 5. Rear brake shoe clearance (Out of adjustment) BR-25
6. Pad or lining (Oily) BR-12
BR-21
7. Pad or lining (Glazed) BR-12
BR-21
8. Disc (Scored) BR-15
9. Hydraulic brake booster (Faulty) BR-26
1. Pad or lining (Cracked or distorted) BR-12
2. Installation bolt (Loose) BR-21
3. Disc (Scored) BR-15
4. Pad support plate (Loose) BR-12
5. Sliding pin (Worn) BR-15
6. Pad or lining (Dirty) BR-12
Noise from brakes
BR-21
7. Pad or lining (Glazed) BR-12
BR-21
8. Anchor or return spring (Faulty) BR-21
9. Anti-squeal shim (Damaged) BR-12
10.Shoe hold-down spring (Damaged) BR-21
Noise from hydraulic brake booster
Accumulator bracket clearance (Out of adjustment) BR-44
(Abnormal pump motor operation noise)
2002 4RUNNER (RM887U)
Author : Date : 1309
BR-3
BRAKE - TROUBLESHOOTING
Brake warning light lights up*1 1. Brake fluid level -
(Parking brake lever released) 2. Hydraulic brake booster power supply system (Faulty) BR-26
Brake warning light lights up and brake warning buzzer sounds*2 Hydraulic brake booster power supply system (Faulty) BR-26
1. Anti - lock brake system (Faulty) -
ABS warning light lights up*3
2. Hydraulic brake booster power supply system (Faulty) BR-26
*1, *3: The light may stay on for about 60 seconds after the engine is started. It is normal if it goes out after
a while.
*2, *3: Depressing the brake pedal repeatedly may turn on the warning light and buzzer. It is normal if the
light goes off and the buzzer stops sounding after a few seconds.
*3: While ABS warning light is ON.
2002 4RUNNER (RM887U)
Author : Date : 1310
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