W150 1/2 Ton Pickup 4WD V8-318 5.2L VIN T 2-BBL (1983)
Fig. 19 Heater assembly. 1981 Trail Duster & 1981-87 Ramcharger & Conventional Cabs. With A/C
1981-87 Models
1. Disconnect battery ground cable.
2. Discharge A/C system and disconnect refrigerant and heater lines from unit.
3. Move shift levers away from dash.
4. Remove right side cowl trim panel, if equipped.
5. Remove 4 screws at base and remove glove box.
6. Remove brace through glove box opening and remove ashtray.
7. Remove right half of lower reinforcement (7 screws to instrument panel and 1 to cowl side of trim panel).
8. Disconnect radio ground strap.
9. Remove right upper air duct by removing mounting screw and pulling duct out through glove box opening.
10. Remove instrument panel center brace and right instrument panel cluster pivot bolt.
11. Remove instrument panel cluster, disconnect shift indicator cable and lower steering column.
