GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2003 🢒 Envoy - 2WD 🢒 HVAC 🢒 Heating, Ventilation and Air Conditioning 🢒 Auxiliary HVAC Module Case Sump Replacement

Removal Procedure
  1. Remove the evaporator core-auxiliary. Refer to Auxiliary Air Conditioning Evaporator Replacement .

    2. Object Number: 819795 Size: SH
  2. Remove the HVAC module-auxiliary case sump (4) from the HVAC module.

Installation Procedure

    Object Number: 819795 Size: SH
  1. Install the HVAC module-auxiliary case sump (4) to theHVAC module.
  2. Install the evaporator core-auxiliary. Refer to Auxiliary Air Conditioning Evaporator Replacement .