GM Service Manual Online
For 1990-2009 cars only

Tools Required

Scan Tool

Removal Procedure


    Object Number: 523621  Size: SH
  1. Remove the IP cluster bezel. Refer to Instrument Panel Cluster Trim Plate Bezel Replacement .
  2. Remove the instrument cluster bolts.
  3. Remove the instrument cluster.
  4. Gently pull the cluster straight out in order to disconnect the electrical connector.

Installation Procedure


    Object Number: 523621  Size: SH
  1. Align the instrument cluster to the IP carrier alignment pins.
  2. Install the instrument cluster bolts.
  3. Tighten
    Tighten the instrument cluster bolts to 2.2 N·m (19 lb in) in the following sequence:

    2.1. Upper left
    2.2. Lower right
    2.3. Upper right
    2.4. Lower left
  4. Install the IP cluster bezel. Refer to Instrument Panel Cluster Trim Plate Bezel Replacement .
  5. Synchronize the IP cluster. Refer to the following procedure:

Instrument Panel Cluster Synchronization

When installing a new IP cluster it must be synchronized to the supplemental inflatable restraint (SIR) module in order to synchronize the new cluster, perform the following steps:

  1. Connect the Scan Tool to the data link connector (DLC).
  2. Proceed to the SPECIAL FUNCTIONS key under INSTRUMENT PANEL CLUSTER.
  3. Select the SYNCHRONIZE IPC and SIR key.
  4. The screen will display: IPC and SIR modules-Now synchronizing modules.
  5. If the procedure is completed successfully the screen will display: Module Synchronization Complete.
  6. If communication is lost with the SIR or IPC, the screen will display: Loss of Communications with Vehicle - Check Diagnostics Link Connector - Check Ignition (On/Off).