Chevrolet Astro 2000 — technical service bulletin
Bulletin 99063 · NHTSA communication 6088999 · issued Oct 1, 1999
Technical service bulletin
communication type
Engine and Engine Cooling
component
2000
model years
10
vehicle entries
Official summary
Information regarding mismachined engine crankshaft on trucks equipped with 4.3l v6 engines. *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.