GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2004 🢒 Rainier 🢒 HVAC 🢒 Heating, Ventilation and Air Conditioning 🢒 Auxiliary Evaporator Drain Hose Replacement

Removal Procedure
  1. Remove the HVAC module-auxiliary. Refer to Auxiliary HVAC Module Replacement .

    2. Object Number: 816352 Size: SH
  2. Remove the HVAC module pass through seal (3) from the HVAC module-auxiliary (1).
  3. Remove the evaporator drain hose-auxiliary (2) from the HVAC module-auxiliary (1).

Installation Procedure

    Object Number: 816352 Size: SH
  1. Install the evaporator drain hose-auxiliary (2) to the HVAC module-auxiliary (1).
  2. Install the HVAC module pass through seal (3) to the HVAC module-auxiliary (1).
  3. Install the HVAC module-auxiliary. Refer to Auxiliary HVAC Module Replacement .