GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1860081  Size: SH
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  2. Disconnect the transmission control module (TCM) wiring connectors.
  3. Remove the TCM and nuts.

Installation Procedure

Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1860081  Size: SH
  1. Install the TCM retaining nuts.
  2. Tighten
    Tighten the TCM retaining nuts to 15 N·m (11 lb ft).

  3. Connect the electrical connectors.
  4. Connect the negative battery cable.