Chevrolet Silverado 2006 — technical service bulletin
Bulletin 3549 · NHTSA communication 10016970 · issued Oct 19, 2005
Technical service bulletin
communication type
Power Train
component
2006
model years
2
vehicle entries
Official summary
Bulletin-sit-bulletin-1703724: rubbing noise from the rear propshaft. *sc
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.