Chevrolet Express 2004–2005 — technical service bulletin
Bulletin 050604046 · NHTSA communication 10017390 · issued Aug 1, 2006
Technical service bulletin
communication type
Engine and Engine Cooling
component
2004–2005
model years
4
vehicle entries
Official summary
Crank and no start, reduced power, intermittent hesitation, hesitates in high altitude/high ambient temperatures. *tt
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.