Differential Clutch Pump Check Valve: Installation

WARNING: This page is about a different car, the 2003 Pontiac Montana, 2003 Oldsmobile Silhouette, and 2003 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Inspect the clutch pump check valve "O" ring seals to ensure they are not cut or damaged. Replace cut or damaged "O" ring seals with NEW seals.

Lubricate the "O" ring seals with Synthetic Gear Oil (12378514 for United States; 88901045 for Canada). Install the "O" ring seals to the valve. See Figure . Install the clutch pump check valve to the differential carrier by carefully pushing the valve straight in until fully seated.
Install the clutch pump check valve mounting bolts. Tighten the bolts to specification. See TORQUE SPECIFICATIONS . Connect the clutch pump check valve electrical connector. Check rear differential fluid level. See LUBRICATION .