XT
Heater Core1. Disconnect battery ground cable.
2. Disconnect heater hoses in engine compartment.
3. Drain as much coolant as possible from heater unit and plug disconnected hoses.
4. Disconnect heater control cable and vacuum hose from heater unit joint.
Fig. 8 Exploded view of instrument panel. 1985-88 XT Coupe:
5. On XT Coupe, remove instrument panel as follows:
a. Remove lower cover on driver's side, Fig. 8.
b. Remove side ventilation duct.
c. Open fuse box lid, remove attaching screws and detach fuse box from instrument panel.
d. Remove lower cover on passenger side.
e. Remove instrument panel upper cover by prying with suitable screwdriver at both ends and in middle.
f. Remove console box.
g. Remove steering shaft assembly, combination meter and control wiring as a unit.
h. Disconnect all electrical connectors from instrument panel.
i. Remove instrument panel attaching bolts and the instrument panel.
6. Remove heater unit.
7. Remove heater core from heater unit.
8. Reverse procedure to install, noting the following:
a. Fitting length of heater hose to pipe is .79-.98 inch.
b. On all except XT Coupe models, fitting length of vacuum hose must exceed .31 inch.
c. Torque heater unit attaching bolts to 4.0-6.9 ft.lbs.