Chevrolet Silverado 2001–2002 — technical service bulletin
Bulletin 031001 · NHTSA communication 627870 · issued Oct 3, 2001
Technical service bulletin
communication type
Power Train
component
2001–2002
model years
4
vehicle entries
Official summary
Information regarding a 1-2 shift shutter, which may occur on light throttle acceleration, usually when the vehicle is thoroughly warmed up. *yh
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.