Chevrolet Astro 2000 — technical service bulletin
Bulletin 99063A · NHTSA communication 6089187 · issued Nov 22, 1999
Technical service bulletin
communication type
Engine and Engine Cooling
component
2000
model years
9
vehicle entries
Official summary
A condition with a mismachined engine crankshaft - inspect engine / replace if required. *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.