Procedures

MASTER CYLINDER BLEEDING

Special Tools:






NOTE: On vehicles without ABS this procedure is designed to be performed with the proportioning valves installed in the master cylinder.

1. Clamp the master cylinder in a vise with soft-jaw caps.




2. Master Cylinder without ABS - Attach the special tools for bleeding the master cylinder in the following fashion:
a. Thread Bleeder Tube Adapter (1) into the primary outlet port of the master cylinder without a proportioning valve. Tighten Adapter to 17 Nm (150 in. lbs.).
b. Thread Bleeder Tube Adapter (2) into the secondary outlet port of the master cylinder without a proportioning valve. Tighten Adapter to 17 Nm (150 in. lbs.).
c. Thread Bleeder Tube Adapter (4) into the proportioning valve in the lower secondary outlet port of the master cylinder. Tighten Adapter to 17 Nm (150 in. lbs.).
d. Thread Bleeder Tube Adapter (5) into the proportioning valve in the lower primary outlet port of the master cylinder. Tighten Adapter to 17 Nm (150 in. lbs.).
e. Thread a Bleeder Tube (6) into each Adapter. Tighten tube nuts to 17 Nm (150 in. lbs.).
f. Install Bleeder Tubes Adapter (3), Special Tool , in place of the fill cap as shown.
g. Flex and place the open ends of the Bleeder Tubes into open hose tips on Adapter. Be sure Bleeder Tubes are inserted into Adapter far enough not to come loose during bleed procedure.





3. Master Cylinder with ABS - Attach the special tools for bleeding the master cylinder in the following fashion:
a. Thread Bleeder Tube Adapters (3) into the primary and secondary outlet ports of the master cylinder. Tighten Adapters to 17 Nm (150 in. lbs.).
b. Thread a Bleeder Tube (2) into each Adapter. Tighten tube nuts to 17 Nm (150 in. lbs.).
c. Flex each Bleeder Tube and place the open ends into the neck of the master cylinder reservoir. Position the open ends of the tubes into the reservoir so their outlets are below the surface of the brake fluid in the reservoir when filled.

NOTE: Make sure the ends of the Bleeder Tubes stay below the surface of the brake fluid in the reservoir at all times during the bleeding procedure.

4. Fill the brake fluid reservoir with fresh Mopar(R) Brake Fluid DOT 3 Motor Vehicle, or equivalent. Specifications
5. Using an appropriately sized wooden dowel as a pushrod, slowly press the pistons inward discharging brake fluid through the Bleeder Tubes, then release the pressure, allowing the pistons to return to the released position. Repeat this several times until all air bubbles are expelled from the master cylinder bore and Bleeder Tubes.
6. Remove the Bleeder Tubes and Adapters from the master cylinder and plug the master cylinder outlet ports.
7. Install the fill cap on the reservoir.
8. Remove the master cylinder from the vise.
9. Install the master cylinder on the vehicle. Brake Master Cylinder - Installation