Chevrolet Silverado 2001–2003 — technical service bulletin
Bulletin 020730030 · NHTSA communication 634947 · issued Aug 1, 2002
Technical service bulletin
communication type
Power Train
component
2001–2003
model years
6
vehicle entries
Official summary
Some customers may comment that the transmission slips, a shudder, chuggle, or vibration is felt when the transmission shifts from first to second gear. *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.