2002 Jeep Grand Cherokee Heater Core. 2000 grand laredo 2x4 4.0 l. Web on my 04 wj 4.0 the bottom heater core hose is the inlet to the heater from the thermostat housing and the top heater core hose is the outlet of the heater core to.

However, assuming that the diagnostic has been confirmed and that the job has to be done it has to be. Web yesterday i pulled the dash and replaced my heater core. I changed the blend door and ac evap core.