Toyota Tundra Service Manual: Removal

REMOVAL

CAUTION / NOTICE / HINT

NOTICE:

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

PROCEDURE

1. DRAIN BRAKE FLUID

NOTICE:

Immediately wash off any brake fluid that comes into contact with any painted surfaces.

2. DISCONNECT BRAKE FLUID LEVEL WARNING SWITCH CONNECTOR

(a) Disconnect the brake fluid level warning switch connector.

3. DISCONNECT REAR NO. 1 BRAKE TUBE

(a) Using a union nut wrench, disconnect the brake tube (labeled B) from the brake master cylinder.

4. DISCONNECT FRONT NO. 1 BRAKE TUBE

(a) Using a union nut wrench, disconnect the brake tube (labeled A) from the brake master cylinder.

5. REMOVE BRAKE MASTER CYLINDER SUB-ASSEMBLY

(a) Remove the 2 nuts and brake master cylinder from the brake booster.

NOTICE:

  • The master cylinder requires careful handling. Do not allow the master cylinder to receive any impact, such as from being dropped. Do not reuse a master cylinder that has been dropped.
  • Do not strike or pinch the master cylinder piston, and do not cause any damage to the master cylinder piston by any other means.
  • When installing the master cylinder to the brake booster, or when removing the master cylinder from the brake booster, make sure that the master cylinder is kept horizontal or with its tip facing downward (the piston faces upward) to prevent the master cylinder piston from falling out.
  • Do not allow any foreign objects to contaminate the master cylinder piston. If a foreign object gets on the piston, remove it by using a piece of cloth, and then apply an even layer of lithium soap base glycol grease around the circumference (sliding part) of the piston.
  • Do not use any other type of grease or fluid.
  • Be careful not to damage the brake tubes.

(b) Remove the brake master cylinder seal from the brake master cylinder.

    Reassembly

    Brake Pedal

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