TSB 24-NA-141 — Buick, Cadillac, Chevrolet and GMC Service bulletin

24-NA-141 is a service bulletin filed with NHTSA by Buick, Cadillac, Chevrolet and GMC, covering 25 Buick, Cadillac, Chevrolet and GMC models across the 2000–2009 model years. NHTSA's summary reads: GM is receiving damaged (cracked or broken) transmission cores returned to the reman facilities. The damage is being caused either in the removal process by the technician, or inadequate packaging or shipping. This bulletin advises the dealers to be more careful not to damage…

NHTSA's file names Buick LaCrosse (2005–2006); Cadillac CTS (2003–2006); Cadillac Escalade (2000–2006); Cadillac SRX (2004–2006); Chevrolet Avalanche (2002–2006); Chevrolet Aveo (2004–2009); Chevrolet Blazer (2000–2008); Chevrolet Camaro (2000–2002); Chevrolet Cobalt (2000, 2002, 2005–2006); Chevrolet Colorado (2004–2006), and 15 more vehicles listed on this page. A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.

No. 24-NA-141 is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.

Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under 24-NA-141, its date, and NHTSA's own summary from the public file.