GM Service Manual Online
For 1990-2009 cars only

Object Number: 1866303  Size: MF

Callout

Component Name

Preliminary Procedure

  1. Remove the HVAC Module. Refer to HVAC Module Assembly Replacement.
  2. Remove Thermal Expansion Valve (TXV). Refer to Air Conditioning Evaporator Thermal Expansion Valve Replacement.

1

Evaporator Upper Case Screw (Qty: 17)

Caution: Refer to Fastener Caution in the Preface section.

Tighten
6 N·m (53 lb in)

2

Evaporator Upper Case

3

Evaporator Core

Tip
Ensure all seals are in place upon installation.