Oil Pump, Pump Screen and Deflector Installation
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Install the crankshaft oil deflector.
- Install the crankshaft oil deflector nuts.
Tighten: Tighten the crankshaft oil deflector nuts to 50 N.m (37 lb ft).
- Install clean engine oil into the oil pump through the outlet oil hole. Rotate the pump in both directions to prime and lubricate.
- Assemble the oil pump, driveshaft, and a NEW retainer.
- Install the oil pump assembly.
Position the oil pump onto the locating pins.
- Install the bolt attaching the oil pump to the rear crankshaft bearing cap.
Tighten: Tighten the oil pump bolt to 75 N.m (56 lb ft).
- Pour clean engine oil into the oil pump pickup screen.
NOTE:
Refer to Fastener Notice in Cautions and Notices.
IMPORTANT:
During assembly, install a NEW oil pump driveshaft retainer. Slightly heat retainer above room temperature for ease of installation onto the oil pump driveshaft.