Chevrolet Silverado 2007–2008 — technical service bulletin
Bulletin 070417002 · NHTSA communication 10023936 · issued Oct 1, 2007
Technical service bulletin
communication type
Power Train
component
2007–2008
model years
10
vehicle entries
Official summary
Whine type noise coming from rear of vehicle (diagnose and replace rear propeller shaft). *nj
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.