For 1990-2009 cars

### Removal Procedure

1. Drain the engine coolant. Refer to Cooling System Draining and Filling.
2. Drain the engine oil. Refer to Engine Oil and Oil Filter Replacement.
3. Remove the exhaust manifold. Refer to Exhaust Manifold Replacement.
4. Remove the coolant pipe bolts from the engine coolant distributor case (1).
5. Remove the coolant pipe bolts from the engine front cover (2).
6. Remove the oil cooler tightening bolts (3).
7. Remove the heat exchanger (4) with the gasket.

### Installation Procedure

Caution: Refer to Fastener Caution in the Preface section.

Note: Check for damage or leakage on the oil cooler gaskets. If damage or leakage, replace the related gasket with a new one.

1. Install the heat exchanger (4) with the gasket to the oil cooler housing.

Tighten
Tighten the heat exchanger bolts to 8 N·m(70.8 lb in).

2. Insert the coolant pipes to the oil cooler housing with the gasket.
3. Install the oil cooler tightening bolts (3).

Tighten
Tighten the oil cooler tightening bolts to 25 N·m (18.4 lb ft).

4. Install the coolant pipe bolts to the engine front cover (2).

Tighten
Tighten the coolant pipe bolts to 8 N·m (70.8 lb in).

5. Install the coolant pipe bolts to the engine coolant distributor case (1).

Tighten
Tighten the coolant pipe bolts to 8 N·m (70.8 lb in).

6. Remove the exhaust manifold. Refer to Exhaust Manifold Replacement.