Toyota 4Runner manuals

Toyota 4Runner: On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT BRAKE BOOSTER ASSEMBLY

(a) Airtightness check

(1) Start the engine and stop it after 1 or 2 minutes. Slowly depress the brake pedal several times.

If the pedal can be depressed to the floor the first time, but on the 2nd and 3rd times cannot be depressed as far, the booster is airtight.

Text in Illustration

*a

CORRECT

*b

INCORRECT


(2) Depress the brake pedal while the engine is running and stop the engine with the brake pedal depressed.

If there is no change in the pedal reserve distance while holding the pedal for 30 seconds, the booster is airtight.

(b) Operation check

(1) Depress the brake pedal several times with the ignition switch off and check that there is no change in the pedal reserve distance when the pedal is depressed.


(2) Depress and hold down the pedal and start the engine.

If the pedal goes down slightly, operation is normal.


Components
COMPONENTS ILLUSTRATION ...

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 ...

Other materials about Toyota 4Runner:

Installation
INSTALLATION CAUTION / NOTICE / HINT CAUTION: Wear protective gloves. Sharp areas on the parts may injure your hands. HINT: A bolt without a torque specification is shown in the standard bolt chart (See page ). PROCEDURE 1. INSTALL NO. 1 SEAT 3 POINT ...

Installation
INSTALLATION PROCEDURE 1. INSTALL BRAKE PEDAL SUPPORT ASSEMBLY (a) Temporarily install the set bolt. (b) Install the hydraulic brake booster (See page ). (c) tighten the brake pedal support sub-assembly with the 4 nuts. Torque: 14 N·m {145 kgf·cm, ...

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