71. Oil Pan Installation

1. Apply a 2 mm (1/16 inch) bead of RTV sealant GM P/N 12345739 to the oil pan rear seal at the inside corners where the seal meets the rear main bearing cap on the block.
2. Install the oil pan rear seal to the rear main bearing cap before the sealer starts to dry.
3. Apply a 5 mm (3/16 inch) bead of RTV sealant GM P/N 12345739 to the oil pan sealing surface, inboard of the bolt holes. Install the pan before the sealer starts to dry.





4. Install the oil pan to the engine.

Notice: Refer to Fastener Notice in Service Precautions.

5. Install the oil pan bolts.
^ Tighten all except the rear two bolts to 10 Nm (89 lb in).
^ Tighten the rear two bolts to 23 Nm (17 lb ft).
^ Tighten the oil pan drain plug to 25 Nm (18 lb ft).