Chevrolet Chevrolet Truck 2003 — technical service bulletin
Bulletin 032703 · NHTSA communication 10001873 · issued Mar 27, 2003
Technical service bulletin
communication type
Engine and Engine Cooling
component
2003
model years
2
vehicle entries
Official summary
Engine fan rubbing noise during turns, more commonly found on left turns on 2003 st pick-ups and class style utilities. *tt *jb
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.