Service and Repair of Heater Core for Armada 2WD 56L Flex Fuel
Heater Core: Service and Repair
Removal And Installation
HEATER CORE
Removal and Installation
FRONT HEATER CORE
Removal
1. Remove the front heater and cooling unit assembly. Refer to See: Heating and Air Conditioning/Housing Assembly HVAC/Service and
Repair/Removal And Installation.
2. Remove the four screws and remove the upper bracket.
3. Remove the four screws and remove the heater core cover.
4. Remove the heater core pipe bracket.
5. Remove the heater core.
NOTE:
If the in-cabin microfilters are contaminated from coolant leaking from the heater core, replace the in-cabin microfilters with new ones before
installing the new heater core.
Installation
Installation is in the reverse order of removal.
REAR HEATER CORE
Removal
1. Partially drain the engine cooling system. Refer to See: Coolant/Service and Repair/Changing Engine Coolant.
2. Remove the luggage side finisher lower RH. Refer to See: Body and Frame/Interior Moulding / Trim/Trim Panel/Service and Repair.
3. Disconnect the rear heater hoses from the heater core.
4. Remove the rear heater core bracket.
5. Remove the heater core.
Installation
Installation is in the reverse order of removal.