Toyota 4Runner manuals

Toyota 4Runner: Inspection

INSPECTION

PROCEDURE

1. INSPECT BRAKE BOOSTER PUMP ASSEMBLY

(a) Apply battery voltage to the brake booster pump cables, and check the operation of the pump motor.

OK::

Measurement Condition

Specified Condition

Battery positive (+) voltage → Red cable terminal

Pump motor operates

Battery negative (-) voltage → Black cable terminal

Text in Illustration

*1

Red Cable

*2

Black Cable

If the result is not as specified, replace the brake booster pump assembly.


Disassembly
DISASSEMBLY PROCEDURE 1. REMOVE NO. 1 BRAKE ACTUATOR BRACKET (a) Using a 5 mm hexagon wrench, remove the bolt and No. 1 brake actuator bracket. ...

Reassembly
REASSEMBLY PROCEDURE 1. INSTALL BRAKE BOOSTER PISTON SIB-ASSEMBLY (a) Apply a light coat of lithium soap base glycol grease to a new piston. (b ...

Other materials about Toyota 4Runner:

Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of ...

Driver Side Door Entry Unlock Function does not Operate
DESCRIPTION If the driver side door entry unlock function does not operate but the entry lock function operates, the communication line between the vehicle and electrical key transmitter is normal. The part at fault may be an unlock sensor circuit (front ...

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