Toyota Tacoma (2015-2018) Service Manual: Removal

Toyota Tacoma (2015-2018) Service Manual / Brake / Hydraulic Brake Booster / Removal

REMOVAL

CAUTION / NOTICE / HINT

NOTICE:

Before starting the work, make sure that the ignition switch is off and depress the brake pedal more than 20 times.
As high pressure is applied to the No. 1 brake actuator tube, never deform it.
Do not turn the ignition switch to ON until the work is completed.

HINT:

When pressure in the accumulator is released, reaction force becomes lighter and stroke becomes longer.

PROCEDURE

1. DRAIN BRAKE FLUID

NOTICE:

Immediately wash off any brake fluid off immediately that comes into contact with a painted surface.

2. REMOVE LOWER NO. 1 INSTRUMENT PANEL AIRBAG ASSEMBLY

(See page 3. SEPARATE DRIVER SIDE JUNCTION BLOCK )

3. SEPARATE DRIVER SIDE JUNCTION BLOCK

4. SEPARATE MASTER CYLINDER PUSH ROD CLEVIS

5. REMOVE HYDRAULIC BRAKE BOOSTER

(a) Disconnect the 3 connectors from the hydraulic brake booster.

(b) Using a union nut wrench, disconnect the 4 brake lines from the hydraulic brake booster.

Text in Illustration

*a	to Right Rear Wheel
*b	to Right Fear Wheel
*c	to Left Front Wheel
*d	to Left Rear Wheel

(d) Remove the 4 nuts and pull out the hydraulic brake booster.

(e) Remove the brake booster gasket.

Disassembly

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

Inspection

INSPECTION PROCEDURE 1. INSPECT BRAKE BOOSTER PUMP ASSEMBLY (a) Connect the positive (+) lead from the battery to the red cable of the pump, and the negative (-) lead to the black cable. (b) C ...

Other materials:

Open or Short in Rear Speed Sensor RH Circuit (C1407,C1408)
DESCRIPTION Refer to DTCs C1401 and C1402 (See page ). DTC Code DTC Detection Condition Trouble Area C1407 C1408 Either condition is met: An open in the speed sensor signal circuit continues for 0.5 seconds or mor ...

Headlight Dimmer Switch Circuit
DESCRIPTION The main body ECU (multiplex network body ECU) receives the following switch information: Light control switch position is off (DRL OFF), tail, head or AUTO (DRL). Dimmer switch position is high, low or high flash (pass). Front fog light switch position is on or off ...

Installation
INSTALLATION PROCEDURE 1. INSTALL ROOF HEADLINING ASSEMBLY (a) Insert the roof headlining assembly into the vehicle from the door. NOTICE: Check that the corners of the roof headlining assembly are not folded, twisted or otherwise deformed and that none of the ...