Frontier 2WD L4-2.5L (QR25DE) (2005)
Heater Core: Service and Repair
HEATER CORE
Components
Removal and Installation
REMOVAL
1. Remove the heater and cooling unit assembly. Refer to "HEATER & COOLING UNIT ASSEMBLY". See: Heating and Air
Conditioning/Housing Assembly HVAC/Service and Repair
2. Remove the three screws and remove the heater core cover.
3. Remove the heater core and evaporator pipe bracket.
4. 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.