Comanche 2WD L6-242 4.0L VIN S MFI (1992)
Heater Core: Service and Repair
Fig. 19 Evaporator/Blower Housing Removal
Fig. 20 Heater Core Removal
1.
Disconnect battery ground cable, then drain cooling system.
2.
Disconnect hoses from heater core.
3.
If equipped with A/C, remove evaporator/blower housing as follows:
a.
Discharge A/C system, then disconnect hoses from expansion valve.
b.
Disconnect electrical connector and vent tube from blower motor.
c.
Remove console, if equipped.
d.
Remove lower instrument panel attaching screws, then the lower panel.
e.
Disconnect electrical connections from A/C relay, blower motor resistors and A/C thermostat.
f.
Disconnect vacuum hose from vacuum motor.
g.
Cut evaporator/blower housing to heater core housing retaining strap, then disconnect heater control cable.
h.
Pry retaining clip from rear of blower housing flange, then remove the three retaining screws.
i.
Working from engine compartment, remove evaporator/blower housing attaching nuts, then the evaporator drain tube.
j.
Remove right kick panel, then the instrument panel support bolt.
k.
Pull right side of dash outward, then rotate housing downward and towards rear of vehicle until studs clear dash panel. Remove housing from
vehicle.
4.
Remove heater core to housing retaining screws, then the heater core.
5.
Reverse procedure to install.
