Buick Rainier 2004–2012 — technical service bulletin
Bulletin PIP4581B · NHTSA communication 10057671 · issued Mar 1, 2015
Technical service bulletin
communication type
Engine
component
2004–2012
model years
6
vehicle entries
Official summary
General motors: 2004-2007 buick rainer, chevrolet, gmc , hummer , oldsmobile , saab 97x. Customers complain of engine rattled after engine repairs which required crankshaft balancer removal & replacement. *lj
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.