GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2001 🢒 Catera 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 4L30-E 🢒 2-3 Shift Solenoid Valve Replacement

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

    2. Object Number: 159634 Size: SH
  2. Disconnect the electrical connector from solenoid valve.
  3. Remove the retaining pin (2). Use pliers to pull pin out.
  4. Remove the solenoid valve (1).

Installation Procedure

    Object Number: 159634 Size: SH
  1. Install the solenoid valve (1).
  2. Install the retaining pin (2). Use a soft mallet to drive the retaining pin in.
  3. Connect the electrical connector to the solenoid valve.
  4. Install the transmission filter and the transmission oil pan. Refer to Changing Fluid and Oil Filter .

    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.