For 1990-2009 cars

### Removal Procedure

Warning: Refer to Battery Disconnect Warning in the Preface section.

1. Disconnect the negative battery cable.
2. Remove the engine oil filter. Refer to Engine Oil and Oil Filter Replacement.
3. Drain the engine coolant. Refer to Cooling System Draining and Filling.
4. Remove the oil filter housing fitting bolt.
5. Disconnect the engine oil cooler inlet/outlet hoses.
6. Remove the engine oil cooler with the O-ring.

### Installation Procedure

1. Install the engine oil cooler with the O-ring.

Caution: Refer to Fastener Caution in the Preface section.

2. Connect the engine oil cooler inlet/outlet hoses and tighten the engine oil filter housing fitting bolt to 50 N·m (36.9 lb ft).
3. Install the engine oil filter housing with a new O-ring.
4. Install the oil filter housing adapter plate and tighten to 40 N·m (29.5 lb ft).
5. Install the engine oil filter and cap with a new O-ring and tighten the cap to 25 N·m (18.4 lb ft).