Brake Booster: Removal: Removal

NOTE:

Release the vacuum from the booster by depressing the brake pedal several times. Then remove the brake master cylinder from the brake booster.

REMOVE WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY
Refer to REMOVAL
DRAIN BRAKE FLUID
NOTE:
If brake fluid leaks onto any painted surface, immediately clean it off completely.
REMOVE KNEE AIRBAG ASSEMBLY
Refer to REMOVAL
REMOVE BRAKE MASTER CYLINDER PUSH ROD CLEVIS

Fig 1: Identifying Brake Master Cylinder Push Rod Lock Nut, Clip & Pin
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Loosen the push rod lock nut.
2. Remove the clip and the push rod pin and separate the push rod clevis from the brake pedal.
3. Remove the push rod clevis from the brake booster.
REMOVE BRAKE MASTER CYLINDER SUB-ASSEMBLY See step 3
REMOVE NO. 1 HOSE TO HOSE TUBE

Fig 2: Identifying Vacuum Hose Clips & Bolts
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Slide the 2 clips and disconnect the vacuum hose from the check valve and hose tube.
2. Remove the 2 bolts from the body.
REMOVE BRAKE BOOSTER ASSEMBLY
1. Using a union nut wrench 10 mm, disconnect the brake tube from the brake tube way.
  
  Fig 3: Identifying Brake Tube Union Nut
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disengage the 2 clamps and separate the brake tube assembly from the body.
  
  Fig 4: Identifying Brake Tube Assembly Clamps
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Remove the 2 clamps from the brake tube assembly.
4. Disengage the 3 clamps and separate the wire harness from the body.
  
  Fig 5: Identifying Wire Harness Clamps
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
5. Disengage the wire harness clamp.
  
  Fig 6: Identifying Brake Booster Nuts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
6. Remove the 4 nuts and brake booster assembly from the body.
  NOTE:
  Do not damage the brake lines or fuel lines.
REMOVE BRAKE BOOSTER GASKET
1. Remove the brake booster gasket from the brake booster assembly.
REMOVE BRAKE VACUUM CHECK VALVE ASSEMBLY
1. Remove the vacuum check valve assembly from the brake booster assembly.
REMOVE CHECK VALVE GROMMET
1. Remove the check valve grommet from the brake booster assembly.