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. Refer to Engine Oil and Oil Filter Replacement .
2. Remove the oil level indicator tube. Refer to Oil Level Indicator and Tube Replacement .
3. Remove the starter motor. Refer to Starter Motor Replacement in Engine Electrical.
4. Remove the oil cooler line bracket bolt.
5. Remove the oil cooler line bracket from the oil pan.



6. Remove the transmission oil cooler line bolt.



7. Remove the transmission oil cooler line bracket bolt.



8. Remove the oil pan bolts.




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

9. Remove the oil pan (1) and gasket (2).
10. Clean and inspect the oil pan. Refer to Oil Pan Cleaning and Inspection in the Engine Unit Repair.

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 (Canadian P/N 10953472) or equivalent, 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 necessary.
3. Install the oil pan (1).




Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

4. Install the oil pan bolts.

Tighten

1. Tighten the oil pan bolts to 10 N·m (89 lb in).
2. Tighten the oil pan bolts to 25 N·m (18 lb ft).



5. Remove the transmission oil cooler line bracket bolt.

Tighten
Tighten the transmission oil cooler line bracket bolt to 30 N·m (22 lb ft).




6. Install the transmission oil cooler line bolt.

Tighten
Tighten the bolt to 30 N·m (22 lb ft).




7. Install the oil cooler line bracket to the oil pan.
8. Install the oil cooler line bracket bolt.

Tighten
Tighten the bolt to 9 N·m (80 lb in).

9. Install the starter motor. Refer to Starter Motor Replacement in Engine Electrical.
10. Install the oil level indicator. Refer to Oil Level Indicator and Tube Replacement .
11. Fill the engine with oil. Refer to Engine Oil and Oil Filter Replacement .