TSB PIT3271P — Buick, Cadillac, Chevrolet, GMC, Pontiac and Saturn Service bulletin

PIT3271P is a service bulletin filed with NHTSA by Buick, Cadillac, Chevrolet, GMC, Pontiac and Saturn, covering 33 Buick, Cadillac, Chevrolet, GMC, Pontiac and Saturn models across the 2003–2018 model years. NHTSA's summary reads: This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its…

NHTSA's file names Buick Enclave (2008–2009); Buick LaCrosse (2005–2009); Cadillac CTS (2003–2009); Cadillac Escalade (2003–2009); Cadillac SRX (2004–2009); Chevrolet Avalanche (2003–2009); Chevrolet Aveo (2004–2009); Chevrolet Blazer (2003–2008); Chevrolet Cobalt (2005–2009, 2011–2012, 2016–2017); Chevrolet Colorado (2004–2009), and 23 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. PIT3271P 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 PIT3271P, its date, and NHTSA's own summary from the public file.