Oil Pan: Service and Repair

Removal Procedure

Important: Do not raise the engine by the crankshaft balancer to perform this service procedure. Damage to the crankshaft balancer or the crankshaft may occur.





1. Drain the engine oil.
2. Remove the oil level indicator.
3. Remove the catalytic converter.
4. Remove the engine oil cooler lines.
5. If equipped, disconnect the oil level sensor switch electrical connector.
6. If equipped, remove the oil level sensor switch.
7. Remove the transmission cover bolts.
8. Remove the transmission cover.





9. Remove the oil pan bolts.

Important: The oil pan gasket is reusable if not cut or damaged.

10. Rotate and remove the oil pan (1) and gasket (2).

Installation Procedure





Important: The oil pan must be installed within 5 minutes of the sealer being applied or the sealer will begin to cure, causing an inadequate seal.

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





2. Install a NEW oil pan gasket (2) into the oil pan groove, if required.





3. Install the oil pan (1).





Notice: Refer to Fastener Notice in Service Precautions.

4. Install the oil pan bolts.
4.1. Tighten the oil pan bolts in sequence a first pass to 10 Nm (89 inch lbs.).
4.2. Tighten the oil pan bolts in sequence a final pass to 25 Nm (18 ft. lbs.).





5. Install the transmission cover.
6. Install the transmission cover bolts.
^ Tighten the transmission cover bolts to 33 Nm (24 ft. lbs.).
7. If equipped, install the oil level sensor switch.
^ Tighten the oil level sensor switch to 14 Nm (10 ft. lbs.).
8. If equipped, connect the oil level sensor switch electrical connector.
9. Install the engine oil cooler lines.
10. Install the catalytic converter.
11. Install the oil level indicator.
12. Fill the engine with oil.