Heater Inlet Hose Replacement L61

1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
2. Drain the coolant. Refer to Cooling System Draining and Filling .

Position the approved coolant container under the vehicle below the heater hose connections to catch any coolant that may be trapped in the lines.





Important: Green plastic rings may be found hanging on the heater pipe after hose removal. This is a manufacturing aid and should be discarded.

3. Open the heater hose assembly clamp and remove the inlet hose.



4. Remove the heater inlet hose from the heater core pipe by depressing the quick connect collar tab, located at 6 o'clock, and pulling the black collar toward the front of the vehicle.



5. Pull the quick connector off of the heater core pipe.



6. Remove the clamp that secures the inlet heater hose to the elbow housing.
7. Remove the inlet heater hose.



8. Remove the heater hose clamps that secure the elbow to the engine hose assembly.
9. Remove the inlet heater hose.

1. Install the heater hose to the elbow to the engine hose assembly.
2. Install the heater hose clamp.




Important: The heater inlet hose quick connect coupling collar is black in color.

3. Install the heater inlet quick connect to the heater inlet pipe which is closest to the left side.

Holding the quick connect by the black collar, slide the quick connect onto the heater pipe.

When the quick connect engages the heater pipe bead, the collar will slide toward the front of the dash and lock into position.

4. Verify proper engagement of the quick connect by attempting to pull the inlet hose off of the heater pipe.



5. Install the inlet heater hose assembly into the clamp.
6. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
7. Fill the cooling system. Refer to Cooling System Draining and Filling .

Heater Inlet Hose Replacement L81

1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
2. Drain the coolant. Refer to Cooling System Draining and Filling .

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.

Important: The heater inlet hose quick connect coupling collar is black in color.

Important: 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 do not lock the clamp.

1. Install the inlet heater hose to the coolant bridge.
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. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
7. Fill the cooling system. Refer to Cooling System Draining and Filling .