Toyota Highlander Service Manual: Brake system

Toyota Highlander Service Manual / Brake / Brake system

PRECAUTION

NOTICE:

Care must be taken to replace each part properly as it could affect the performance of the brake system and result in a driving hazard. Replace the parts with parts having the same part number or equivalent.
It is very important to keep parts and the area clean when repairing the brake system.
If the vehicle is equipped with a mobile communication system, refer to the precaution in the INTRODUCTION section.

PROBLEM SYMPTOMS TABLE

HINT: Refer to the table below to help find the cause of the problem. The numbers indicate the priority of the possible cause of problem. Check each part in order. If necessary, replace these parts.

Symptom	Suspected Area
Low pedal or spongy pedal	Fluid leaks in brake system Air in brake system Piston seals (Worn or damaged) Master cylinder (Faulty) Booster push rod (Out of adjustment
Brake drag	Brake pedal free play (Minimal) Parking brake pedal travel (Out of adjustment) Parking brake wire (Sticking) Parking brake shoe clearance (Out of adjustment) Pad (Cracked or distorted) Piston (Stuck) Piston (Frozen) Booster push rod (Out of adjustment) Vacuum leaks in booster system Master cylinder (Faulty)
Brake pull	Piston (Stuck) Pad (Oily) Piston (Frozen) Disc (Scored) Pad (Cracked or distorted)
Hard pedal but brake inefficient	Fluid leaks in brake system Air in brake system Pad (Worn) Pad (Cracked or distorted) Pad (Oily) Pad (Glanzed) Disc (Scored) Booster push rod (Out of adjustment) Vacuum leaks in booster system
Brake noise	Pad (Cracked or distorted) Installation bolt (Loose) Disc (Scored) Pad support plate (Loose) Sliding pin (Worn) Pad (Dirty) Pad (Glanzed) Anti-squeal shim (Damaged)

Brake

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Brake fluid

BLEEDING HINT: If any work is performed on the brake system or if air in the brake lines is suspected, bleed the air out of the brake system. NOTICE: Wash brake fluid off immediately if it ad ...

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