Chevrolet S10 2001–2004 — technical service bulletin
Bulletin 040420003 · NHTSA communication 10011054 · issued Sep 1, 2004
Technical service bulletin
communication type
Power Train
component
2001–2004
model years
8
vehicle entries
Official summary
Diagnostic information on rear axle vent hose to avoid moisture/water intrusion. *tt
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.