70. Oil Pan Installation

Oil Pan Installation





1. Important: The oil pan must be installed within five minutes of the sealer being applied or the sealer will begin to cure, causing an inadequate seal.

Apply sealant GM P/N 12346286 (Canadian P/N 10953472) to the side of the front cover (1) and rear (2) crankshaft bearing cap, on both the left and right sides, 4 locations total.





2. Install the new oil pan gasket (404) into the oil pan groove.
3. Install the oil pan (400).





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

Install the oil pan bolts (1-12).
5. Tighten the oil pan bolts in sequence.
1. Tighten the oil pan bolts a first pass in sequence to 10 Nm (89 lb in).
2. Tighten the oil pan bolts a final pass in sequence to 25 Nm (18 lb ft).





6. Install the oil pan drain plug.
Tighten the oil pan drain plug to 28 Nm (21 lb ft).





7. Lubricate the oil level sensor O-ring with engine oil.
8. Install the oil level sensor.
Tighten the oil level sensor to 20 Nm (15 lb ft).