Toyota Tacoma (2015-2018) Service Manual: Installation

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

INSTALLATION

PROCEDURE

1. INSTALL HYDRAULIC BRAKE BOOSTER

(a) Install a new brake booster gasket onto the hydraulic brake booster.

(b) Install the hydraulic brake booster with the 4 nuts.

Torque:

14 N·m {145 kgf·cm, 10 ft·lbf}

(c) Using a union nut wrench, connect the 4 brake lines to the correct positions of the hydraulic brake booster, as shown in the illustration.

Text in Illustration

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

Torque:

without union nut wrench :

15 N·m {155 kgf·cm, 11 ft·lbf}

with union nut wrench :

14 N·m {145 kgf·cm, 10 ft·lbf}

HINT:

This torque value can be obtained by using a torque wrench with a fulcrum length of 300 mm (11.8 in.) and a union nut wrench with a fulcrum length of 22 mm (0.866 in.) (See page ).
This torque value is effective when the union nut wrench is parallel to the torque wrench.

(d) Connect the 3 connectors.

2. INSTALL MASTER CYLINDER PUSH ROD CLEVIS

3. INSTALL LOWER NO. 1 INSTRUMENT PANEL AIRBAG ASSEMBLY

(See page 4. INSPECT BRAKE PEDAL HEIGHT )

4. INSPECT BRAKE PEDAL HEIGHT

5. INSPECT PEDAL FREE PLAY

6. INSPECT PEDAL RESERVE DISTANCE

7. FILL RESERVOIR WITH BRAKE FLUID

8. BLEED BRAKE BOOSTER WITH ACCUMULATOR PUMP ASSEMBLY

9. BLEED BRAKE LINE

10. BLEED MASTER CYLINDER SOLENOID

11. INSPECT FLUID LEVEL IN RESERVOIR

12. INSPECT FOR BRAKE FLUID LEAK

13. INSPECT BRAKE MASTER CYLINDER OPERATION

Rear Brake

Disposal

DISPOSAL PROCEDURE 1. DISPOSE OF BRAKE BOOSTER ACCUMULATOR ASSEMBLY (a) Place the brake booster accumulator in a vise and cover it with a cloth. (b) Slowly cut a hole on the brake booster accumu ...

Other materials:

Power Supply Drive Circuit (C1257)
DESCRIPTION The motor relay (semiconductor relay) is built into the hydraulic brake booster and drives the pump motor based on a signal from the skid control ECU (master cylinder solenoid). DTC No. DTC Detecting Condition Trouble Areas C1257 ...

Diagnosis System
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Installation
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