GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2001 🢒 Catera 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 4L30-E 🢒 1-2,3-4 Shift Solenoid Valve Replacement

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

    2. Object Number: 159636 Size: SH
  2. Disconnect the shift solenoid electrical connector.
  3. Remove the retaining pin (2). Use pliers to pull pin out.
  4. Remove the shift solenoid valve (1).

Installation Procedure

    Object Number: 159636 Size: SH
  1. Install the shift solenoid valve (1).
  2. Install the retaining pin (1). Use a soft mallet to drive the retaining pin in.
  3. Connect the shift solenoid electrical connector.
  4. Install the transmission filter and the 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.