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Fig. 75: Identifying Heater Hose To Heater Core Fittings 11. Install the surge tank outlet hose to the heater core. Firmly push the quick connect onto the heater core pipe until you hear an audible click. 12. Install the inlet heater hose to the heater core. Firmly push the quick connect onto the heater core pipe until you hear an audible click. 13. Fill the engine coolant. Refer to Cooling System Draining and Filling (Vac-N-Fill) or Cooling System Draining and Filling (Static Fill) . AIR CONDITIONING EVAPORATOR CORE REPLACEMENT
2008 Chevrolet Silverado 1500 2008 HVAC Heating, Ventilation, and Air Conditioning - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Removal Procedure Fig. 76: Heat Stakes 1. Remove the HVAC module. Refer to HVAC Module Assembly Replacement. 2. If equipped remove the heat stakes (1) from the HVAC module (2) with a screw driver and a hammer. 3. Disconnect all wiring connections from blower motor, blower motor control module and sensors. Also, remove all wiring from retainers before removal.
2008 Chevrolet Silverado 1500 2008 HVAC Heating, Ventilation, and Air Conditioning - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 77: View Of Upper & Lower HVAC Module Assemblies (Delphi) 4. If equipped remove the screws from the HVAC module assembly. 5. Remove the evaporator cowl gasket from the evaporator. 6. Separate the upper HVAC module assembly (2) from the lower HVAC module assembly (1)
2008 Chevrolet Silverado 1500 2008 HVAC Heating, Ventilation, and Air Conditioning - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 78: View Of Evaporator Core (Delphi) 7. Remove the evaporator core (1) from the upper HVAC module assembly (2). Installation Procedure IMPORTANT: If replacing the evaporator core, add the refrigerant oil to the evaporator core. Refer to Refrigerant System Capacities.
2008 Chevrolet Silverado 1500 2008 HVAC Heating, Ventilation, and Air Conditioning - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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