Vacuum Brake Booster: Service and Repair
REPLACEMENT1. DRAIN BRAKE FLUID
NOTICE: Do not let brake fluid remain on a painted surface. Wash it off immediately.
2. REMOVE AIR CLEANER ASSEMBLY WITH HOSE
3. REMOVE FRONT SUSPENSION BRACE SUB-ASSY UPPER CENTER
a. Disconnect the wire harness clamp from the brace sub-assy (w/o VSC).
b. Disconnect the 2 wire harness clamps and ABS R/B from the brace sub-assy (w/ VSC).
c. Remove the 4 nuts and brace sub-assy.
4. REMOVE BRAKE MASTER LESS RESERVOIR TANK CYLINDER SUB-ASSY
5. REMOVE BRAKE MASTER CYLINDER GASKET
6. REMOVE BRAKE ACTUATOR ASSY (W/O VSC)
7. REMOVE ABS & TRACTION ACTUATOR ASSY (W/ VSC)
8. REMOVE INSTRUMENT PANEL FINISH PANEL SUB-ASSY LOWER
9. REMOVE INSTRUMENT PNL INSERT SUB-ASSY LWR LH
10. REMOVE BRAKE PEDAL RETURN SPRING
11. REMOVE PUSH ROD PIN
12. REMOVE BRAKE BOOSTER ASSY
a. Remove the 2 nuts and separate the brake lines from the body.
b. Slide the clip and disconnect the vacuum hose from the brake booster.
c. Remove the 4 nuts and clevis.
d. Pull out the brake booster assy.
13. REMOVE BRAKE BOOSTER GASKET
14. INSTALL BRAKE BOOSTER GASKET
a. Install a new brake booster gasket to the brake booster.
15. INSTALL BRAKE BOOSTER ASSY
a. Install the clevis to the booster push rod.
b. Install the brake booster with the 4 nuts.
Torque: 13 Nm (130 kgf-cm, 9 ft. lbs.)
c. Install the brake lines to the body with the 2 nuts.
Torque: 5.0 Nm (38 kgf-cm, 44 inch lbs.)
d. Connect the vacuum hose to the brake booster with the clip.
16. INSTALL PUSH ROD PIN
17. INSTALL BRAKE PEDAL RETURN SPRING
18. INSTALL INSTRUMENT PNL INSERT SUB-ASSY LWR LH
19. INSTALL INSTRUMENT PANEL FINISH PANEL SUB-ASSY LOWER
20. INSTALL BRAKE ACTUATOR ASSY (W/O VSC)
21. INSTALL ABS & TRACTION ACTUATOR ASSY (W/ VSC)
22. INSTALL BRAKE MASTER CYLINDER GASKET
a. Install a new gasket.
23. INSTALL BRAKE MASTER LESS RESERVOIR TANK CYLINDER SUB-ASSY
24. INSTALL FRONT SUSPENSION BRACE SUB-ASSY UPPER CENTER
a. Install the brace sub-assy with the 4 nuts.
Torque: 80 Nm (816 kgf-cm, 59 ft. lbs.)
b. Connect the wire harness clamp to the brace sub-assy (w/o VSC).
c. Connect the ABS R/B and 2 wire harness clamps to the brace sub-assy (w/ VSC).
25. INSTALL AIR CLEANER ASSEMBLY WITH HOSE
26. FILL RESERVOIR WITH BRAKE FLUID
27. BLEED MASTER CYLINDER
28. BLEED BRAKE LINE
29. CHECK FLUID LEVEL IN RESERVOIR
30. CHECK BRAKE FLUID LEAKAGE
31. CHECK AND ADJUST BRAKE PEDAL HEIGHT