Chevrolet Silverado 2001–2002 — technical service bulletin
Bulletin 41 · NHTSA communication 637387 · issued Jan 1, 2002
Technical service bulletin
communication type
Power Train
component
2001–2002
model years
4
vehicle entries
Official summary
Some vehicles equipped with the allison lct1000 transmission may experience a very harsh 2-1 downshift at a stop or on throttle reapply. *tt
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.