GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Warning: Refer to Battery Disconnect Warning in the Preface section.


    Object Number: 1256119  Size: SH
  1. Disconnect the negative battery cable.
  2. Remove the glove box lower panel cover. Refer to Instrument Panel Storage Compartment Replacement.
  3. Turn the sensor to release it from the HVAC module.
  4. Disconnect the electrical connector.

Installation Procedure


    Object Number: 1256119  Size: SH
  1. Install the coolant temperature sensor into the HVAC module and turn the sensor to lock it.
  2. Connect the electrical connector.
  3. Install the glove box lower panel cover. Refer to Instrument Panel Storage Compartment Replacement.
  4. Connect the negative battery cable.