GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the evaporator core. Refer to Air Conditioning Evaporator Core Replacement .

  2. Object Number: 825391  Size: SH

    Important: Carefully remove the evaporator temperature sensor using needle nose pliers.

  3. Remove the evaporator temperature sensor from the evaporator core.

Installation Procedure

    Important: The evaporator temperature sensor location is critical.


    Object Number: 825391  Size: SH
  1. Install the evaporator temperature sensor to the evaporator core.
  2. The evaporator temperature sensor should be approximately 3.5 cm (1.4 in) from the side and 5.0 cm (2.0 in) from the bottom corner of the evaporator core.

    Important: Align the evaporator temperature sensor wires with the opening in the upper HVAC module case. Improper alignment will pinch and may cut the evaporator temperature sensor wires.

  3. Install the evaporator core. Refer to Air Conditioning Evaporator Core Replacement .