For 1990-2009 cars

1. Install the engine oil cooler.
2. Apply a 2 mm (0.08 in) bead of silicone sealer, GM P/N 12345997, in the groove around the engine oil cooler cover in place of the old seal.
3. Install the engine oil cooler cover.
4. Install the engine oil cooler cover bolts (2).

Tighten
Tighten the engine oil cooler cover bolts to 30 N·m (22 lb ft).

5. Install the engine oil cooler inlet and outlet nuts (1).

Tighten
Tighten the engine oil cooler inlet and outlet nuts to 20 N·m (15 lb ft).

6. Install the oil feed line.
7. Install the return line.
8. Install the oil feed line to the engine block.

Tighten
Tighten the oil feed line to 30 N·m (22 lb ft).

9. Install the return line to the engine block.

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

10. Install the engine oil cooler line clamp.
11. Install the crank sensor.
12. Install the crank sensor bolt.

Tighten
Tighten the crank sensor bolt to 8 N·m (71 lb in).

13. Install the oil filter.

Tighten
Tighten the oil filter to 15 N·m (11 lb ft).

14. Install the oil feed and install the return lines to the engine oil cooler. Use four new seals.

Tighten
Tighten the oil feed and tighten the return lines to 30 N·m (22 lb ft).