Chevrolet Silverado 1999–2003 — technical service bulletin
Bulletin 020417001A · NHTSA communication 634895 · issued Jul 1, 2002
Technical service bulletin
communication type
Power Train
component
1999–2003
model years
10
vehicle entries
Official summary
Concerns with launch shudder / vibration on acceleration. *tt
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.