Chevrolet Chevrolet Truck 2000 — technical service bulletin
Bulletin 990420002 · NHTSA communication 6090003 · issued Dec 1, 1999
Technical service bulletin
communication type
Power Train
component
2000
model years
2
vehicle entries
Official summary
Some owners of light duty trucks equipped with automatic transmissions may comment that the vehicles exhibits a clunk noise when shifting between park and drive, park and reverse, or drive and reverse. *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.