B3000 V6-3.0L (2007)
Brake Master Cylinder: Overhaul
Disassembly
Warning:
^
Use of any other than approved DOT 3 brake fluid will cause permanent damage to brake components and will render the brakes
inoperative. Failure to follow these instructions may result in personal injury.
Warning:
^
Brake fluid contains polyglycol ethers and polyglycols. Avoid contact with eyes. Wash hands thoroughly after handling. If brake fluid
contacts eyes, flush eyes with running water for 15 minutes. Get medical attention if irritation persists. If taken internally, drink water
and induce vomiting. Get medical attention immediately. Failure to follow these instructions may result in personal injury.
Caution:
^
Brake fluid is harmful to painted and plastic surfaces. If brake fluid is spilled onto a painted or plastic surface, immediately wash it with
water.
1. Remove the brake master cylinder.
2. Clean the outside of the brake master cylinder.
3. Remove the brake master cylinder filler cap and drain the remaining brake fluid.
Caution:
^
Do not damage the body of the brake master cylinder when mounting it in the vise.
4. Mount the brake master cylinder in a soft-jawed vise.
5. If equipped with cruise control, remove the cruise control deactivator switch.
6. Remove the brake master cylinder reservoir.
7. Remove the primary piston assembly.
1. Depress the primary piston and remove the snap ring.
2. Discard the primary piston assembly
8. Remove the secondary piston assembly.
1. Plug the rear brake outlet port and, if necessary, plug the brake pressure switch port.
2. Apply compressed air into the front brake outlet port, and remove the secondary piston assembly and discard.
Note:
^
If the brake master cylinder bore is damaged, install a new brake master cylinder.
9. Use isopropyl alcohol to clean the brake master cylinder bore; inspect for damage.
