For 1990-2009 cars

1. Clean the heat exchanger-to-oil filter housing sealing surfaces.
2. Install a NEW gasket.
3. Install the heat exchanger (1) to the oil filter housing.

Caution: Refer to Fastener Caution in the Preface section.

4. Install the 6 bolts (2) and tighten.
5. Install the oil filter housing.
6. Clean the oil filter housing-to-thermostat housing sealing surfaces.
7. Install 2 NEW gaskets.
8. Push into the oil filter housing.
9. Install the thermostat housing coolant pipe (1) to the oil filter housing.
10. Install the 2 bolts and tighten to 8 N·m (71 lb in).