GM Service Manual Online
For 1990-2009 cars only

Object Number: 1614647  Size: MF

Callout

Component Name

Caution: Refer to Battery Disconnect Caution in the Preface section.

Notice: Refer to Fastener Notice in the Preface section.

Fastener Tightening Specifications: Refer to Fastener Tightening Specifications .

Preliminary Procedure

  1. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .
  2. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
  3. Drain the cooling system. Refer to Cooling System Draining and Filling .
  4. Remove the inlet heater hose from the heater core. Refer to Heater Inlet Hose Replacement .
  5. Remove the outlet heater hose from the heater core. Refer to Heater Outlet Hose Replacement .
  6. Remove the air conditioning evaporator thermal expansion valve tube from the thermal expansion valve. Refer to Air Conditioning Evaporator Thermal Expansion Valve Tube Replacement .
  7. Remove the evaporator drain tube from the evaporator case.
  8. Remove the instrument panel (I/P) carrier. Refer to Instrument Panel Carrier Replacement .

1

Nut, Heater and Air Conditioning Module

Tighten
10 N·m (89 lb in)

2

Module Assembly, Heater and Air Conditioning Evaporator