Chevrolet Silverado 2001–2002 — technical service bulletin

Bulletin 1522387 · NHTSA communication 10008451 · issued May 26, 2004

Technical service bulletin

communication type

Fuel System, Gasoline

component

2001–2002

model years

vehicle entries

Official summary

Special policy adjustment - injectors - replace. *mj

Vehicles covered

2001 Chevrolet Silverado
2002 Chevrolet Silverado
2001 GMC Sierra
2002 GMC Sierra

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.