Chevrolet Silverado 2001–2004 — technical service bulletin
Bulletin 01932 · NHTSA communication 10006495 · issued May 4, 2004
Technical service bulletin
communication type
Power Train
component
2001–2004
model years
8
vehicle entries
Official summary
Allison lct1000 dark or discolored transmission fluid with no loss of performance. *mr
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.