GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2000 🢒 Montana 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Fluid Temperature Sensor Replacement

Removal Procedure
  1. Remove the case side cover. Refer to Control Valve Body Cover Replacement .

    2. Object Number: 48209 Size: SH
  2. Disconnect the wiring harness assembly from the fluid temperature sensor (391).
  3. Remove the fluid temperature sensor (391).

Installation Procedure
  1. Install the fluid temperature sensor (391).

    2. Object Number: 48209 Size: SH
  2. Connect the wiring harness assembly to the fluid temperature sensor (391).
  3. Install the case side cover. Refer to Control Valve Body Cover Replacement .

    4. Important: It is recommended that transmission adaptive pressure (TAP) information be reset.

    Resetting the TAP values using a scan tool will erase all learned values in all cells. As a result, The ECM, PCM or TCM will need to relearn TAP values. Transmission performance may be affected as new TAP values are learned.

  4. Reset the TAP values. Refer to Adapt Function .