Vacuum Brake Booster: Service and Repair
REMOVAL1. REMOVE BRAKE MASTER CYLINDER
2. REMOVE BRAKE BOOSTER
a. Remove the vacuum hose from the brake booster.
b. Remove the No. 1 under cover, No. 1 lower finish panel and lower finish panel LH.
c. Remove the return spring, clip and clevis pin.
d. Remove the 4 booster installation nuts and clevis.
e. Remove the booster and gasket.
INSTALLATION
1. INSTALL BRAKE BOOSTER
a. Install the booster and new gasket.
b. Install and torque the booster installation nuts.
Torque: 12 Nm (125 kgf.cm, 9 ft. lbs.)
c. Install the clevis to the operating rod.
d. Insert the clevis pin into the clevis and brake pedal, and install the clip to the clevis pin.
e. Install the pedal return spring.
f. Install the vacuum hose.
2. ADJUST LENGTH OF BOOSTER PUSH ROD
a. Install the new gasket on the master cylinder.
b. Set the SST on the gasket, and lower the pin until its tip slightly touches the piston.
SST 09737 - 00010
c. Turn the SST upside down, and set it on the booster.
SST 09737 - 00010
d. Measure the clearance between the booster push rod and pin head (SST).
Clearance: 0 mm (0 inch)
e. Adjust the booster push rod length until the push rod slightly touches the pin head.
HINT: When adjusting the push rod, depress the brake pedal enough so that the push rod sticks out.
3. INSTALL BRAKE MASTER CYLINDER
4. FILL BRAKE RESERVOIR WITH BRAKE FLUID AND BLEED BRAKE SYSTEM
5. CHECK FOR FLUID LEAKAGE
6. CHECK AND ADJUST BRAKE PEDAL
7. INSTALL LOWER FINISH PANEL LH, NO. 1 LOWER FINISH PANEL AND NO. 1 UNDER COVER
8. DO OPERATIONAL CHECK