Master Cylinder and Reservoir Assembly
(Remove and Replace)
Correction Code 33170602
Note
This procedure applies to vehicles
with the vacuum brake booster only. If the vehicle has the electromechanical brake
booster assembly, the master cylinder and reservoir assembly are part of the brake
booster assembly. Refer to procedure 33201002 (refer to procedure).
CAUTION
Use caution when handling the master cylinder assembly. Do not
touch the outer edge of the primary piston.
Using a syringe, remove all fluid from the reservoir.
Warning
Do not use a
syringe that has been used for oils or other petroleum products. Even trace
amounts of petroleum-based fluids can damage seals throughout the brake
system, leading to brake failure.
CAUTION
If brake fluid is spilled on a painted surface, wash off immediately with clean water.
Note
Place suitable absorbent material around the affected area to absorb any possible fluid spillage.
Disconnect the brake fluid level sensor connector.
Disconnect the brake booster vacuum sensor connector.
Release the brake pipe unions (x2) (torque 18 Nm).
CAUTION
Plug pipe connections to prevent ingress of moisture or dirt.
CAUTION
If brake fluid is spilled on a painted surface, wash off immediately with clean water.
Note
Place suitable absorbent material around the affected area to absorb any possible fluid spillage.
Remove the nuts and washers (x2) that secure the master cylinder to the brake
booster (torque 25 Nm).
Release the master cylinder and reservoir assembly from the brake booster.
CAUTION
Ensure that the O-ring is not removed from the mating surface
of the master cylinder during removal.
Remove the master cylinder and reservoir assembly from the vehicle.
Installation
Installation procedure is the reverse of removal, except for the following:
Warning
Only use cleaning agents and solvents in a well-ventilated area.
CAUTION
Ensure that the O-ring is properly installed on the mating
surface of the master cylinder before installation.