F 350 2WD Pickup V8-7.3L DSL (1988)
Heater Core: Service and Repair
Fig. 21 Disassembled view of heater case
Less Air Conditioning
1.
Disconnect and plug heater hoses from heater core.
2.
Working in passenger compartment, remove heater core access cover attaching screws and the cover.
3.
Remove heater core from vehicle, Fig. 21.
4.
Reverse procedure to install.
With Air Conditioning
1.
Disconnect and plug heater core hoses.
2.
Remove glove compartment assembly, then disconnect temperature and function cables.
3.
Remove screws retaining heater core cover to plenum and remove cover.
4.
Remove heater core.
5.
Reverse procedure to install.
