GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2000 🢒 LeSabre 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T65-E 🢒 Solenoids and Wiring Harness Replacement

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

    2. Object Number: 48209 Size: SH
  2. Use a small flat-bladed tool in order to remove the wiring harness from the solenoid valve(s) (315A, 315B, 322, 334 and/or 440), TFP manual valve position switch (395) and/or the temperature sensor (391) and the internal mode switch (IMS).

    3. Object Number: 48210 Size: SH
  3. Remove the wiring harness (224).
  4. Remove the clips retaining the solenoid(s).

    5. Object Number: 49328 Size: SH
  5. Remove the solenoid(s).

    6. Object Number: 49385 Size: SH
  6. Remove the 2-3 shift solenoid (315B).

    7. Object Number: 49407 Size: SH
  7. Inspect the wiring harness (224).

Installation Procedure

    Object Number: 49385 Size: SH
  1. Install the 2-3 shift solenoid (315B).

    2. Object Number: 49328 Size: SH
  2. Install the solenoid(s).
  3. Install the retaining clips.

    4. Object Number: 48210 Size: SH
  4. Install the wiring harness (224).

    5. Object Number: 49409 Size: SH
  5. Install the wiring harness to the solenoid valve(s) (315A, 315B, 322, 334 and/or 440), TFP manual valve position switch (395) and/or the temperature sensor (391) and the IMS.
  6. Install the case side cover. Refer to Control Valve Body Cover Replacement .

    7. 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.

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