EH Pump and Booster Mating Surface Oil Leak. GMC Truck GMC C-Series Medium Duty Truck B7 1998

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 1998 🢒 GMC C-Series Medium Duty Truck B7 🢒 Brakes 🢒 Hydraulic Brakes 🢒 EH Pump and Booster Mating Surface Oil Leak

Problem	Action
DEFINITION: Oil leaks at the booster and the electrohydraulic pump mating surface.
The pressure port and/or return port has missing or damaged O-rings.	Replace both O-rings. Refer to Electrohydraulic Pump Replacement .