Toyota 4Runner: Inspection

Toyota 4Runner Service Manual / Brake / Brake System (other) / Brake Booster / Inspection

INSPECTION

PROCEDURE

1. INSPECT BRAKE VACUUM CHECK VALVE ASSEMBLY

(a) Check that there is ventilation from the booster to the engine and no ventilation from the engine to the booster.

Text in Illustration

*a	Ventilation
*b	No Ventilation

If the result is not as specified, replace the brake vacuum check valve assembly.

Removal

REMOVAL CAUTION / NOTICE / HINT NOTICE: Make sure to release the vacuum from the brake booster before removing the master cylinder from the brake booster. PROCEDURE 1. DRAIN BRAKE FLUID NOTICE ...

Installation

INSTALLATION CAUTION / NOTICE / HINT PROCEDURE 1. TEMPORARILY INSTALL BRAKE MASTER CYLINDER PUSH ROD CLEVIS (a) Install the lock nut and brake master cylinder push rod clevis to the brake booste ...

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On-vehicle Inspection
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