K 2500 Truck 4WD V8-379 6.2L DSL VIN C FI (1989)
INSTALL OR CONNECT
1. Evaporator core.
2. Evaporator core cover.
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Install the four screws
3. Heater core.
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Install the three screws and bracket.
4. Heater assembly bottom plate.
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Install the seven screws.
5. Electrical connection to the temperature activator.
6. Refrigerant inlet and discharge lines to the evaporator.
TIGHTEN
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Inlet line connection to 41 Nm (30 lb ft).
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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.
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Leak test.
10. Coolant to the radiator.
11. Battery ground cable.
