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
|
|
(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:
Brake Warning Light Remains ON
DESCRIPTION
The BRAKE warning light comes on when brake fluid is insufficient, the parking
brake is applied or the EBD is defective.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
When replacing the master cylinder solenoid, perform calibration (See p ...
Propeller Shaft System
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of the problem symptom. The potential
causes of the symptoms are listed in order of probability in the "Suspected Area"
column of the table. ...
0.0061