Chevrolet Sierra 1999–2001 — technical service bulletin
Bulletin 010101 · NHTSA communication 623497 · issued Jan 1, 2001
Technical service bulletin
communication type
Fuel System, Gasoline
component
1999–2001
model years
12
vehicle entries
Official summary
Some vehicles may experience repeat fuel pump failures. *slc
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.