Patriot 2WD L4-2.4L (2009)
Heater Core: Service and Repair
Removal
REMOVAL
NOTE: The HVAC housing assembly must be removed from vehicle for service of the heater core.
NOTE: LHD model with A/C shown. RHD and heater-only models similar.
1. Remove the HVAC housing assembly and place it on a workbench See: Heating and Air Conditioning/Housing Assembly HVAC/Service and
Repair/Removal and Replacement/HVAC Housing - Removal.
2. Remove the left side front floor duct See: Heating and Air Conditioning/Air Duct/Service and Repair/Floor Distribution Duct - Removal.
NOTE: If the foam seal for the flange is deformed or damaged, it must be replaced.
3. Remove the foam seal (1) from the flange (2) located on the front of the HVAC housing (9).
4. Remove the screw (10) that secures the flange to the front of the HVAC housing and remove the flange.
5. Remove the screw (3) that secures the retaining bracket (4) for the heater core tubes (8) to the left side of the air distribution housing (5).
6. On RHD models, remove the air distribution housing from the HVAC housing See: Heating and Air Conditioning/Housing Assembly
HVAC/Service and Repair/Removal and Replacement/HVAC Housing - Removal
7. Carefully pull the heater core (6) out of the driver side of the air distribution housing.