Vacuum Brake Booster: Service and Repair

POWER BRAKE UNIT REMOVAL/INSTALLATION

CAUTION:
- Once the brake switch clearance has automatically been adjusted, it cannot be adjusted again. Therefore, replace the switch with a new one when replacing the power brake unit or performing any procedure that changes the pedal stroke.

1. For 6MT vehicles, perform the following procedures:
a. Disconnect the purge solenoid valve connector wiring harness from the bracket.

b. Remove the bracket from the air intake hose and move the purge solenoid valve component out of the way. Service and Repair

c. Remove the following parts as a single unit. Service and Repair

- Air intake hose
- Resonance chamber No. 2
- Resonance duct No. 1
- Resonance duct No. 2

2. Remove the master cylinder. Service and Repair

3. For MT vehicles, remove the clutch pipe as shown in the figure.






4. Remove the nut as shown in the figure, then remove the cooler hose (LO) bracket from the vehicle.






5. Remove in the order indicated in the table.

6. Remove the brake switch. Service and Repair

7. Install in the reverse order of removal.

8. After installation, perform brake pedal inspection. Testing and Inspection