Toyota Tundra Service Manual: Installation

INSTALLATION

PROCEDURE

1. INSTALL BRAKE VACUUM CHECK VALVE ASSEMBLY

2. INSTALL BRAKE BOOSTER ASSEMBLY

(a) Install the clevis.

(b) Install a new brake booster gasket to the brake booster.

(c) Install the brake booster with the 4 nuts.

Torque:

15.2 N·m {155 kgf·cm, 11 ft·lbf}

3. INSTALL PUSH ROD PIN

4. INSTALL NO. 3 AIR DUCT SUB-ASSEMBLY

5. INSTALL LOWER NO. 1INSTRUMENT PANEL AIR BAG ASSEMBLY

6. CONNECT VACUUM HOSE ASSEMBLY

(a) Connect the vacuum hose onto the check valve.

NOTICE:

Do not use lubricant when installing a vacuum hose on the brake booster and check valve sides.

7. INSTALL BRAKE MASTER CYLINDER SUB-ASSEMBLY

Click here

8. CONNECT BRAKE TUBE

(a) Set each brake line to the correct position on the brake actuator as shown in the illustration.

HINT:

  • *1: FR RH
  • *2: FR LH
  • *3: RR RH
  • *4: RR LH
  • *5: FR Master Cylinder
  • *6: RR Master Cylinder

(b) Using a union nut wrench, tighten the 2 brake tubes.

Torque:

Specified tightening torque :

19.5 N·m {199 kgf·cm, 14 ft·lbf}

HINT:

  • Calculate the torque wrench reading when changing the fulcrum length of the torque wrench.

    Click here

  • When using a union nut wrench (fulcrum length of 20 mm (0.787 in.)) + torque wrench (fulcrum length of 180 mm (7.087 in.)): 17.6 N*m (179 kgf*cm, 13 ft.*lbf)

*a

Torque Wrench Fulcrum Length

*b

Union Nut Wrench

(c) Using a union nut wrench, tighten the 4 brake tubes.

Torque:

Specified tightening torque :

15.2 N·m {155 kgf·cm, 11 ft·lbf}

HINT:

  • Calculate the torque wrench reading when changing the fulcrum length of the torque wrench.

    Click here

  • When using a union nut wrench (fulcrum length of 22 mm (0.866 in.)) + torque wrench (fulcrum length of 162 mm (6.378 in.)): 13.4 N*m (137 kgf*cm, 10 ft.*lbf)

*a

Torque Wrench Fulcrum Length

*b

Union Nut Wrench

(d) Attach the clamp.

(e) Attach the 4 claws and connect the 2 No. 2 brake tube clamp.

9. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL

NOTICE:

When disconnecting the cable some systems need to be initialized after the cable is reconnected (See page ).

10. CHECK AND ADJUST BRAKE PEDAL

(a) Check and adjust brake pedal (See page ).

11. INSPECT BRAKE BOOSTER

12. BLEED BRAKE SYSTEM

    Components

    On-vehicle Inspection

    See More:

    Toyota Tundra Service Manual > Vehicle Stability Control System: Fail-safe Chart
    FAIL-SAFE CHART FAIL-SAFE OPERATION If there is a problem with sensor signals or actuator systems, the skid control ECU prohibits power supply to the brake actuator assembly and informs the ECM of a VSC system malfunction. The brake actuator assembly turns off the solenoids and the ECM stops its VSC ...

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    Toyota Tundra Service Manual

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