Bronco L6-300 4.9L VIN Y 1-bbl (1983)
Fig. 14 Heater core replacement. F-100---350 & Bronco w/air conditioning
W/Air Conditioning
1.
Disconnect battery ground cable.
2.
Disconnect and plug hoses from heater core.
3.
Remove glove compartment liner.
4.
Remove 8 heater core cover attaching screws and the cover.
5.
Remove heater core from plenum, Fig. 14.
6.
Reverse procedure to install.