Chevrolet Silverado 2002–2005 — technical service bulletin
Bulletin 3105C · NHTSA communication 10009978 · issued Nov 3, 2004
Technical service bulletin
communication type
Power Train
component
2002–2005
model years
8
vehicle entries
Official summary
Ping, pop, snap, or click noise from the propeller shaft. *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.