C 3500 Truck 2WD V6-262 4.3L (1990)
INSTALL OR CONNECT
1. Evaporator core.
2. Evaporator core cover.
-
Install the four screws
3. Heater core.
-
Install the three screws and bracket.
4. Heater assembly bottom plate.
-
Install the seven screws.
5. Electrical connection to the temperature activator.
6. Refrigerant inlet and discharge lines to the evaporator.
TIGHTEN
-
Inlet line connection to 41 Nm (30 lb ft).
-
Discharge line connection to 24 Nm (18 lb ft).
7. Heater hoses to the heater core.
8. Coolant overflow tank.
9. Charge system with refrigerant.
-
Leak test.
10. Coolant to the radiator.
11. Battery ground cable.