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HVAC Module Assembly Replacement

Fig 1: HVAC Module Assembly
GM1591669Courtesy of GENERAL MOTORS CORP.
HVAC Module Assembly Replacement

Callout Component Name
NOTE: Refer to Fastener Notice .
Fastener Tightening Specifications:  Refer to Fastener Tightening Specifications .

Preliminary Procedure

  1. Drain the cooling system. Refer to Draining and Filling Cooling System (GE-47716) or Draining and Filling Cooling System (2.4L LE5 Only) .
  2. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
  3. Remove the evaporator tube from the thermal expansion valve. Refer to Thermal Expansion Valve Replacement .
  4. Remove the heater inlet hose from the heater core. Refer to Heater Inlet Hose Replacement (LE5)  or Heater Inlet Hose Replacement (LNF) .
  5. Remove the heater outlet hose from the heater core. Refer to Heater Outlet Hose Replacement (LE5)  or Heater Outlet Hose Replacement (LNF) .
  6. Remove the instrument panel (I/P) tie bar. Refer to Instrument Panel Tie Bar Replacement .
  7. Disconnect the HVAC module assembly electrical connectors.
1 Nut, HVAC Module Assembly (Qty: 5)

Tighten:  9 N.m (80 lb in)
2 Module, HVAC Assembly
Tip:  Note routing of wiring harness to ensure proper installation.
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