OEM 2007 Mercury Montego Heater Core

2007 Mercury Montego Heater Core Parts Q&A

• Q: How to service the heater core on 2007 Mercury Montego?

  A: Service of the heater core requires performing a pressure leak test when leak detection is necessary. Service on the heater core demands first removing the instrument panel then disconnecting the dash panel seal from the heater core tubes. The installation of the heater core tube bracket requires removing its two securing screws before extracting the whole bracket unit. The service process requires separation of connections belonging to the evaporator discharge air temperature sensor and left-hand (LH) temperature blend door actuator. The LH temperature blend door actuator requires unscrewing three retaining screws followed by removal of the actuator unit. To perform the next step remove the three screws which anchor the heater core cover while carefully removing the cover afterward. Finally, remove the heater core. Installation of the new heater core requires the opposite order of steps from removal.