GM Service Manual Online
For 1990-2009 cars only

Object Number: 1966530  Size: MF

Callout

Component Name

Preliminary Procedure

  1. Remove the auxiliary HVAC heater core. Refer to Auxiliary Heater Core Replacement .
  2. Disconnect any wiring connectors.
  3. Invert the auxiliary HVAC module to access components.

1

Auxiliary A/C Evaporator and Blower Lower Case - Outboard Screw (Qty: 12)

Notice: Refer to Fastener Notice in the Preface section.

Tighten
2 N·m (18 lb in)

2

Auxiliary A/C Evaporator and Blower Lower Case - Outboard

Procedure

  1. Note the location and routing of the wiring harness to ensure proper reinstallation.
  2. When replacing the HVAC case, transfer all necessary components.