Heater Core Replacement for Saturn RELAY 2007

Tools Required

SA9111E Hose Clamp Pliers

1. Drain the cooling system. Refer to Cooling System Draining and Filling .



2. Disconnect both of the heater hose clamps at the heater core using the SA9111E .
3. Remove the heater hoses from the heater core.

Important: Cap off the heater core inlet and outlet pipes to prevent coolant spilling inside of the vehicle.

4. Cap off the heater core pipes.
5. Remove the heater core cover. Refer to Heater Core Cover Replacement .



6. Remove the heater core pipe clamp screw.
7. Remove the heater core.

1. Install the heater core.

Notice: Refer to Fastener Notice in the Preface section.

2. Install the heater core pipe clamp screw.

Tighten
Tighten the screw to 1.2 N·m (11 lb in).

3. Install the heater core cover. Refer to Heater Core Cover Replacement .



4. Install the heater hoses to the heater core.
5. Reposition the heater hose clamps to secure the hoses using the SA9111E .
6. Fill the coolant. Refer to Cooling System Draining and Filling .