Chevrolet Silverado 2004 — technical service bulletin
Bulletin 040089020A · NHTSA communication 10008466 · issued Oct 1, 2004
Technical service bulletin
communication type
Unknown OR Other
component
2004
model years
2
vehicle entries
Official summary
Pre-delivery and service guide - parallel hybrid truck. *tt updated *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.