Heater Hose: Service and Repair

HEATER HOSE REMOVAL/INSTALLATION

1. Disconnect the negative battery cable.

2. Drain the engine coolant. Service and Repair

3. Disconnect the heater hose from the A/C unit.






4. Remove the clip.






5. Remove the clips and disconnect the heater hose.

ATX





MTX






6. Remove the clips and disconnect the heater hose, hose joint and quick connector.






7. Install in the reverse order of removal.

8. Inspect for engine coolant leakage. Engine Coolant Leakage Inspection

Heater Hose Removal Note

1. While pressing the heater hose into the A/C unit side (1), pinch the quick connector retainer (2), then disconnect the heater hose from the A/C unit (3).






Heater Hose Installation Note

1. Insert the heater hose into the pipe of the A/C unit until a click is heard.

2. While pressing the heater hose quick connector against the A/C unit side, press in the push tab.






3. Verify that the heater hose cannot be pulled out from the A/C unit by lightly pulling the heater hose.