Toyota 4Runner: Removal

Toyota 4Runner Service Manual / Brake / Brake System (other) / Brake Master Cylinder / Removal

REMOVAL

CAUTION / NOTICE / HINT

NOTICE:

Make sure to release the vacuum from the brake booster before removing the master cylinder from the brake booster.

PROCEDURE

1. DRAIN BRAKE FLUID

NOTICE:

Wash off brake fluid immediately if it comes in contact with any painted surface.

2. REMOVE BRAKE MASTER CYLINDER SUB-ASSEMBLY

(a) Disconnect the connector.

(b) Using a union nut wrench, disconnect the 2 brake lines from the brake master cylinder sub-assembly.

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 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.

(d) Remove the O-ring from the brake master cylinder sub-assembly.

Disassembly

DISASSEMBLY PROCEDURE 1. REMOVE BRAKE FLUID INFORMATION LABEL 2. REMOVE BRAKE MASTER CYLINDER RESERVOIR FILLER CAP ASSEMBLY (a) Remove the brake master cylinder reservoir filler cap assembly from ...

Inspection

INSPECTION CAUTION / NOTICE / HINT NOTICE: The master cylinder and piston are designed so that the piston can easily fall out. Prevent this by making sure the tip of the master cylinder ...

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