Operation CHARM: Car repair manuals for everyone.

#3 Pump Motor Runs-Does Not Shut Off In 20 Seconds

^ Turn Ignition "OFF" after 20 Seconds (each evaluation).

^ Check reservoir fluid level
- Refer to Brakes/Service and Repair/Bleeding Procedure/Fluid Filling Procedures. Service and Repair

Figure 10 Ports And Terminals:





Exploded View Of Powermaster Assembly:





^ Check reservoir port A for backflow.
- replace power piston (25).

^ Check pump pressure refer to Step 2 of Functional Check Sequence. Functional Check Sequence Test - Powermaster Brake System

^ pressure low.
- check pressure line (11, 12) for obstruction.
- replace pump and motor (8).

^ pressure high.
- replace switch (1) if higher than normal.
- replace pump (8) if lower than normal cut-off.