GM Service Manual Online
For 1990-2009 cars only

Object Number: 1816524  Size: MF

Callout

Component Name

Preliminary Procedure

  1. Remove the auxiliary HVAC module. Refer to Auxiliary HVAC Module Replacement
  2. Disconnect electrical connections.
  3. Remove lower HVAC case screws. Refer to Auxiliary Air Conditioning Evaporator Replacement.

1

Auxiliary HVAC Side Case Screw

Caution: Refer to Fastener Caution in the Preface section.

Tighten
1.5 N·m (13 lb in)

2

Auxiliary Temperature Door

Tip

    • The HVAC lower and side cases must be separated for temperature door removal.
    • Ensure evaporator gasket is in good condition upon installation.
    • Ensure temperature and mix doors are in proper position upon assembly of side cases.