78. Oil Pan Installation

Oil Pan Installation





1. Important: For aluminum oil pans, begin with step 4. For steel oil pans, skip steps 4 and 5.

For steel oil pans, apply a continuous bead 6.35 mm (0.25 inch) thick of RTV sealer GM P/N 12378521 (Canadian P/N 88901148) to the topside of the new windage tray gasket. Apply the RTV sealant directly over the sealing bead.
2. Install the NEW windage tray gasket onto the engine.





3. Apply a continuous bead 6.35 mm (0.25 inch) thick of RTV sealer GM P/N 12378521 (Canadian P/N 88901148) to the bottom side of the new windage tray gasket. Apply the RTV sealant directly over the sealing bead.





4. For aluminum oil pans, apply a continuous bead 6.35 mm (0.25 inch) thick of RTV sealer GM P/N 12378521 (Canadian P/N 88901148), ensuring that the sealer also completely fills the groove in the oil pan.
5. To ensure proper sealing, apply additional sealer at the four points called out in the illustration (1).





6. Install the oil pan and oil pan windage tray gasket - if applicable.
7. Clean the oil pan bolts of all debris.
8. Apply one drop of GM P/N 12345382 (Canadian P/N 10953489) to each bolt.

9. Notice: Refer to Fastener Notice in Service Precautions.

Install the oil pan bolts.
Tighten the oil pan bolts to 14 Nm (125 inch lbs.).





10. Install the oil level sensor.
Tighten the oil level sensor to 20 Nm (15 ft. lbs.).