Heater Hoses Replacement 2.4L

Important: Inspect the heater hose routing installation. Avoid contact where rubbing may result in heater hose damage.

1. Drain the engine coolant. Refer to Cooling System Draining and Filling in Engine Cooling.
2. Disconnect the inlet heater hose from the thermostat assembly by removing the clamp.
3. Slide the heat shield sleeve up on the outlet heater hose in order to access the connector.
4. Squeeze the tabs on the quick-connect in order to disconnect the outlet heater hose from the water pipe.
5. Remove the outlet heater hose from the water pipe.



6. Remove the inlet and outlet heater hose and clamps from the heater core.
7. Remove the heater hose assembly from the vehicle.

1. Position the heater hose assembly to the vehicle.
2. Install the inlet and outlet heater hose and clamps to the heater core.



3. Connect the outlet heater hose quick-connect to the water pipe.
4. Pull on the hose in order to verify the connection.
5. Reposition the heat shield sleeve over the quick-connector.
6. Connect the inlet heater hose to the thermostat housing.
7. Inspect the protective conduit on the heater hoses, is in the proper position in order to prevent damage to the heater hoses.
8. Fill the engine coolant. Refer to Cooling System Draining and Filling .

Heater Hoses Replacement 3.4L

1. Drain the engine coolant. Refer to Cooling System Draining and Filling in Engine Cooling.
2. Squeeze the tabs on the quick-connect (3) in order to disconnect the heater hose (1) from the heater pipe.
3. Remove the heater hose with the quick-connect.



4. Remove the heater hose and clamps from the heater core.

1. Install the heater hoses and clamps to the heater core.



2. Install the heater hose (1) with the quick-connect (3) to the heater pipe.
3. Pull on the hose in order to verify the connection.

Important: Inspect the installation of all of the heater hose routing in order to avoid contact with any obstruction that may result in a damaged hose. Some hoses are equipped with conduit in areas where rubbing may occur. When replacing a hose, ensure that the following components are in the same location as the original components:

•	The conduit

•	The heat sleeving

4. Inspect the routing of the heater hoses ensuring they are not rubbing to cause damage.
5. Fill the engine coolant. Refer to Cooling System Draining and Filling in Engine Cooling.