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SMU - Revised Crankshaft Rear Oil Seal Replacement, Crankshaft Rear Oil Seal Installation and Special Tools

Subject:Revised Crankshaft Rear Oil Seal Replacement, Crankshaft Rear Oil Seal Installation and Special Tools

Models:2003 Cadillac DeVille, Seville
2003 Oldsmobile Aurora



This bulletin is being issued to revise the Crankshaft Rear Oil Seal Replacement procedure, the Crankshaft Rear Oil Seal Installation procedure and the Special Tools in the Engine Mechanical-4.0L and Engine Mechanical 4.6L sub-sections of 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.

The improper tool (J 44642) was called out in the following procedures. The correct tool is the J 45930 Crankshaft Rear Oil Seal Installation Tool.

    • Aurora - Crankshaft Rear Oil Seal Replacement - SI Document ID #1152289
    • DeVille, Seville - Crankshaft Rear Oil Seal Replacement - SI Document ID #1199997
    • Aurora, DeVille, Seville - Crankshaft Rear Oil Seal Installation - SI Document ID #1014912
    • Aurora, DeVille, Seville - Special Tools - SI Document ID #822186