Chevrolet Silverado 2004 — technical service bulletin
Bulletin 10192004 · NHTSA communication 10013039 · issued Oct 19, 2004
Technical service bulletin
communication type
Wheels
component
2004
model years
2
vehicle entries
Official summary
20 inch plus wheels are no longer to be installed on this body style. *eh
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.