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. |
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4. DISCONNECT FRONT NO. 1 BRAKE TUBE
| (a) Using a union nut wrench, disconnect the brake tube (labeled A) from the brake master cylinder. |
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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.
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(b) Remove the brake master cylinder seal from the brake master cylinder. | 
