For 1990-2009 cars

### Removal Procedure

1. Drain the engine cooling system. Refer to Cooling System Draining and Filling in Engine Cooling.
2. Release the heater core inlet hose clamps at the bulkhead and:

• | At the intake manifold - 1.0L

• | At the thermostat housing - 1.3L

3. Remove the heater core inlet hose.
4. Release the heater core outlet hose clamps at the bulkhead and at the radiator inlet hose:

• | Running along the top of the transaxle - 1.0L

• | Above the starter - 1.3L

5. Remove the heater core outlet hose.

### Installation Procedure

1. Connect the heater core inlet hose to the bulkhead and:

• | To the intake manifold - 1.0L

• | To the thermostat housing - 1.3L

2. Secure the hose with clamps.
3. Connect the heater core outlet hose to the bulkhead and to the radiator inlet hose:

• | Running along the top of the transaxle - 1.0L

• | Above the starter - 1.3L

4. Secure the hose with clamps.
5. Refill the engine cooling system. Refer to Cooling System Draining and Filling in Engine Cooling.