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Home >> Chevrolet >> 2012 >> Cruze Eco, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 79 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Heater Assembly Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Lower HVAC Case
    GM877662Courtesy of GENERAL MOTORS CORP.
    NOTE: Make certain that the orifice plate is correctly positioned in the HVAC module. Make certain that the lower HVAC case is properly positioned and is fully seated on the HVAC module before installing the screws. Be sure to install all lower HVAC case screws.
  1. Install the lower HVAC case.
    2. Fig 2: View Of Lower HVAC Case Screws
    GM877661Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Fastener Caution .
  2. Install the new lower HVAC case screws.

    Tighten:  Tighten the screws to 1.8 N.m (15 lb in).

  3. Close and secure the passenger compartment filter door.
    4. Fig 3: View Of Heater Core
    GM872606Courtesy of GENERAL MOTORS CORP.
  4. Inspect the foam heater core seal on the lower HVAC case. If damaged, replace using Kent Industries adhesive black foam tape P/N 46480 or equivalent.
  5. Install the heater core into the HVAC module.
    6. Fig 4: View Of Heater Core Cover
    GM877660Courtesy of GENERAL MOTORS CORP.
    NOTE: Make certain that the heater core cover is properly positioned and is fully seated on the HVAC module before installing the screws. Be sure to install all heater core cover screws.
  6. Install the heater core cover.

    Tighten:  Tighten the screws to 1.8 N.m (15 lb in).

  7. Install new heater core cover screws.
    8. Fig 5: View Of Drain Tube Seal
    GM872602Courtesy of GENERAL MOTORS CORP.
  8. Replace the drain tube seal.
    9. Fig 6: View Of Front Of Dash Seal
    GM873734Courtesy of GENERAL MOTORS CORP.
  9. Replace the front of dash seal.
  10. Inspect and replace the HVAC module seals if damaged:
    • The defrost duct seal
    • The HVAC module to cross car duct seal
    • The center air outlet duct seal
    • The center floor air outlet duct seal
    • The air inlet seal
  11. Install the HVAC module in the vehicle. Refer to Air Conditioning and Heater Module Assembly Removal and Installation .
  12. Fill the cooling system. Refer to Cooling System Draining and Filling (Static Fill LE5, L61) or Cooling System Draining and Filling (Static Fill LNF) or Cooling System Draining and Filling (GE 47716 Fill) .
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