CAUTION: Reserve vacuum in the booster must be pumped down (removed) before removing master cylinder from vacuum booster. This is necessary to prevent the vacuum booster from sucking in any contamination as the master cylinder is removed. This can be done simply by pumping the brake pedal, with the vehicle's engine not running, until a firm feeling brake pedal is achieved.
NOTE: It is not necessary to remove the brake tubes from the master cylinder when removing the master cylinder from the vacuum booster.
CAUTION: Do not attempt to disassemble the power brake vacuum booster it is to be serviced ONLY as a complete assembly.
CAUTION: When installing the power brake vacuum booster in the vehicle be sure the heater hoses do not become trapped between the booster and the dash panel of the vehicle.
CAUTION: When installing the brake pedal pin on the power brake vacuum booster input rod, do not re-use the old retaining clip.
CAUTION: The master cylinder is used to create the seal for holding vacuum in the vacuum booster. The vacuum seal on the master cylinder MUST be replaced with a NEW seal whenever the master cylinder is removed from the vacuum booster.
CAUTION: When removing the vacuum seal from the master cylinder do not use a sharp tool.
labor time is approx 1 hour -- add an hour if equipped with rear a/c ,tim