Heater Core Replace
The heater core can be removed two ways.1. Heater case removed from vehicle.
2. Heater case installed in vehicle.
REMOVING HEATER CORE WITH CASE
Fig. 7 Instrument panel assembly:
Heater Exploded View:
1. Disconnect battery ground cable.
2. Set temperature control lever to ``Hot'' position, then drain cooling system.
Heater Hoses (Engine Compartment):
3. Disconnect heater hoses at the engine compartment firewall. Remove lower crash pad, Fig. 7.
4. Remove supplemental (upper) end of console, then disconnect electrical harness from carburetor control computer and position computer aside.
Heater Duct Removal:
5. Loosen heating duct mounting screw "A". Pull (1) and push (2) the heating duct to remove.
6. Remove air duct connecting blower motor and heater case.
7. On models equipped with A/C, remove evaporator and case. See Evaporator Core.
Heater Control Cable Connection:
8. Disconnect control cables from heater case.
Heater Case Mounting Bolt Locations:
9. Loosen heater case mounting bolts. Remove heater case from vehicle.
10. Remove heater case cover retaining screws, then the cover.
11. Remove heater core retaining screws. Pulling outward, remove heater core from case.
12. Reverse procedure to install.
REMOVING HEATER CORE IN VEHICLE
Heater Exploded View:
1. Disconnect battery ground cable.
2. Set temperature control lever to ``Hot'' position, then drain cooling system.
Heater Hoses (Engine Compartment):
3. Disconnect heater hoses and remove tube mounting plate on firewall. Remove lower crash pad, Fig. 7.
4. Remove air duct connecting blower motor and heater case.
5. On models equipped with A/C, remove evaporator and case.
6. Remove RH heater case cover retaining screws, then the cover.
7. Disconnect heater core coolant tube mounting screws from back of heater core and remove tubes.
Heater Control Cable Connection:
8. Disconnect control cable and lever from RH heater case.
9. Remove heater core retaining screws. Pulling outward, remove heater core from case.
10. Reverse procedure to install.