Heater Hose Replacement - Inlet
HEATER HOSE REPLACEMENT - INLETREMOVAL PROCEDURE
1. Disconnect the negative battery cable.
2. Drain the coolant. Refer to Draining and Filling Cooling System in Cooling System. Position the approved coolant container under the vehicle below the heater hose connections to catch any coolant that may be trapped in the heater hoses.
3. Open the heater hose assembly to the manifold clamp and remove the inlet heater hose.
IMPORTANT: Green plastic rings may be found hanging on the pipes after hose removal. These are manufacturing aids and should be discarded.
4. Remove the inlet heater hose from the heater core pipe by depressing the quick connect collar tab, located at the 6 o'clock position, and pulling the black collar towards the front of the vehicle and then pulling the quick connect off of the heater core pipe.
5. Remove the inlet heater hose to the coolant bridge clamp.
6. Remove the inlet heater hose.
INSTALLATION PROCEDURE
1. Install the inlet heater hose to the coolant bridge.
IMPORTANT:
- The heater inlet hose quick connect coupling collar is black in color.
- The white line on the hoses should always be installed at the 12 o'clock position. Install the heater hose into the manifold clamp but d-not lock the clamp.
2. Install the inlet heater hose clamp at the 12 o'clock position.
3. Install the heater core inlet quick connect to the heater inlet pipe, closer to the left side. Holding the quick connect by the black collar, slide onto the heater pipe. When the quick connect engages the heater core pipe bead, the collar will slide towards the front of the dash and lock into position. A green paint band will be visible when the collar is properly positioned.
4. Verify the proper engagement of the quick connect by attempting to pull the hose off of the heater pipe.
5. With the hoses properly positioned, close the heater hose assembly to the manifold clamp.
6. Connect the negative battery cable.
7. Fill the cooling system. Refer to Draining and Filling Cooling System in Cooling System.