1. Install new O-rings (2) to the oil filter adapter and oil cooler assembly. Lubricate the O-rings with engine oil.
2. Apply sealer GM P/N 12378521 (Canadian P/N 88901148) to the O-ring sealing area (1).
3. Install the oil filter adapter and oil cooler assembly.
NOTE: Refer to Fastener Notice.
4. Install the five oil filter adapter and oil cooler assembly bolts (1).
Tighten: Tighten the oil filter adapter and oil cooler assembly bolts to 25 N.m (18 lb ft).
5. Install a new O-ring onto the engine coolant pipe.
6. Lubricate the O-ring with engine coolant. Do not use oil or grease.
7. Install the engine coolant pipe to the oil filter adapter and oil cooler assembly.
