GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2000 🢒 Catera 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Converter Clutch Solenoid

Removal Procedure
  1. Remove the front transmission oil pan. Refer to Changing Fluid and Oil Filter .

    2. Object Number: 159640 Size: SH
  2. Disconnect the electrical connectors from the solenoid valves (1, 2).
  3. Remove the solenoid valve retainer bolts and the retainer.

    4. Object Number: 159645 Size: SH
  4. Remove the force motor solenoid valve (3).
  5. Remove the torque converter clutch solenoid valve (4).

Installation Procedure

    Object Number: 159645 Size: SH
  1. Install the torque converter clutch solenoid valve (4).
  2. Install the force motor solenoid valve (3).

    3. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the solenoid valve retainer and the bolts.

    4. Tighten
    Tighten the solenoid valve retainer bolts to 10 N·m (87 lb in).


    Object Number: 159640 Size: SH
  4. Connect the electrical connectors to the solenoid valves (1, 2).
  5. Install the front transmission oil pan. Refer to Changing Fluid and Oil Filter .

    6. 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.

  6. Reset the TAP values. Refer to Transmission General Description .