The installation procedure is to lubricate the O-ring seals with synthetic gear oil GM P/N United States 12378514 Canada P/N 88901045 or equivalent, install the O-ring seals to the valve, install the clutch pump check valve to the differential carrier, install the clutch pump check valve mounting bolts, connect the clutch pump check valve electrical connector, fill the rear differential lubricant.
By BobGM Specialist
01/11/2022