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For 1990-2009 cars only

SMU - Revised Crossmember/Body Mount Bolt Installation Information

Subject:Revised Crossmember/Body Mount Bolt Installation Information

Models:1999-2005 Cadillac Full-Size Pickup and Utility Models
1999-2005 Chevrolet Full-Size Pickup and Utility Models
1999-2005 GMC Full-Size Pickup and Utility Models



This bulletin is being issued to revise all repair procedures that include reinstalling the front engine crossmember-to-frame bolts or any body mount bolts in the Frame and Underbody sub-section of the Service Manual. Please replace the current information in the Service Manual with the following information.

The following information has been updated within SI. If you are using a paper version of this Service Manual, please make a reference to this bulletin on the affected page.

Before reinstalling front engine crossmember-to-frame bolts or any body mount bolts, you must do the following:

  1. Remove all traces of the original threadlocking material.
  2. Clean the threads of the bolt with denatured alcohol, or equivalent, and allow to dry.
  3. Apply Threadlocker, P/N 12345493, (Canadian P/N 10953488).