GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2000 🢒 LeSabre 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T65-E 🢒 Fluid Temperature Sensor Replacement

Removal Procedure

    Object Number: 10505 Size: SH
  1. Remove the case side cover. Refer to Control Valve Body Cover Replacement .
  2. Remove the wiring harness from the fluid temperature sensor (391).
  3. Remove the fluid temperature sensor.

Installation Procedure

    Object Number: 48209 Size: SH
  1. Install the fluid temperature sensor (391).
  2. Install the wiring harness assembly with fluid temperature sensor.
  3. Install the case side cover. Refer to Control Valve Body Cover Replacement .
  4. Check the fluid level. Refer to Transmission Fluid Check

    5. 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.

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