For 1990-2009 cars

### Removal Procedure

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

1. Disconnect the negative battery cable.

Caution: To avoid being burned, do not remove the radiator cap or surge tank cap while the engine is hot. The cooling system will release scalding fluid and steam under pressure if radiator cap or surge tank cap is removed while the engine and radiator are still hot.

2. Drain the coolant fluid. Refer to Cooling System Draining and Filling .
3. Remove the engine cover.
4. Remove the ignition wires from the direct ignition system (DIS).
5. Disconnect the exhaust gas recirculation (EGR) valve connector, engine coolant temperature (ECT) sensor connector and the DIS connector.
6. Disconnect the heater return hose at the EGR valve adapter.
7. Remove the EGR valve adapter retaining bolts.
8. Remove the EGR valve adapter and the internal PCV pipe with the gasket.

### Installation Procedure

1. Install the EGR valve adapter and internal PCV pipe with the gasket.

Notice: Refer to Fastener Notice in the Preface section.

2. Install the EGR valve adapter retaining bolts.

Tighten

• | Tighten the EGR valve adapter retaining bolts (1) to 20 N·m (15 lb ft).

• | Tighten the ERG valve adapter retaining bolts (2) to 30 N·m (22 lb ft).

3. Connect the heater return hose to the EGR valve adapter.
4. Connect the EGR valve connector, ECT sensor connector and the DIS connector.
5. Connect the ignition wire to the DIS system.
6. Install the engine cover.
7. Connect the negative battery cable.
8. Fill the coolant system.