G 20 3/4 Ton Van V8-305 5.0L VIN H 4-bbl (1984)
FIGURE 2 - REMOVE ALL PIECES OF KNOCKOUT PLUG FROM OPENING IN CASE
5.
Remove any pieces of the rear A/C system blower speed control resistor knockout plug from the opening in the case (see Figure 2). Should a
piece of the knockout plug fall into the bottom of the case, it is not necessary to remove it.
6.
Install a new resistor, P/N 15591188, in the case. Torque the two resistor retaining screws to 1.2-1.6 N-m (11-14 in.lbs.).
PROCEDURE B - GASOLINE EQUIPPED TRUCKS WITH DAMAGE TO A/C EVAPORATOR INLET CASE
1.
With ignition key in "off" position, disconnect the negative battery cable.
2.
Remove auxiliary radiator overflow reservoir.
3.
Discharge the air conditioning system. Refer to the 1984 Light Duty Truck Service Manual (ST-330-84) for instructions.
CAUTION: To help avoid personal injury always wear goggles and wrap a clean cloth around fittings, valves and connections when doing work
that involves opening the refrigerant system. Always work in a well ventilated area and do not weld or steam clean near any of the air
conditioning components.
If refrigerant should come in contact with any part of the body, flush the exposed area with cold water and immediately seek medical
attention.
