For 1990-2009 cars

### Removal Procedure

1. Partially drain the cooling system. Refer to Cooling System Draining and Filling.
2. Remove the heater pipe inlet hose (1) from the heater inlet pipe.
3. Remove the heater inlet pipe housing bolts (1).
4. Remove the housing.
5. Remove the heater inlet pipe housing seal. Discard seal.

### Installation Procedure

1. Install a NEW heater inlet pipe housing seal.

Notice: Refer to Fastener Notice in the Preface section.

2. Install the heater inlet pipe housing bolts (1).

Tighten
Tighten the heater inlet housing bolts to 10 N·m (89 lb in).

3. Install the heater inlet hose (1) to the heater inlet pipe.
4. Refill the cooling system. Refer to Cooling System Draining and Filling.