GM Service Manual Online
For 1990-2009 cars only

Object Number: 1848581  Size: MF

Callout

Component Name

Preliminary Procedure

  1. Remove the HVAC module - auxiliary. Refer to Auxiliary HVAC Module Replacement .
  2. Disconnect any wiring connectors or harnesses from HVAC module.
  3. Remove evaporator tube retaining clips before removing lower gasket and lower cover.

1

HVAC Module Gasket

2

Auxiliary HVAC Module Lower Cover Bolt (Qty: 3)

Notice: Refer to Fastener Notice in the Preface section.

Tip
Remove any fastener clips that secure cover to module.

Tighten
3 N·m (27 lb in)

3

Auxiliary HVAC Module Lower Cover

4

HVAC Module Case Screw (Qty: 10).

Tip
Remove any fastener clips that secure cover to module.

Tighten
3 N·m (27 lb in)

5

Auxiliary HVAC Evaporator Core

Tip
Ensure all seals and gaskets are in place upon installation.