Chevrolet Astro 2000 — technical service bulletin
Bulletin 010420004A · NHTSA communication 10012705 · issued Oct 1, 2004
Technical service bulletin
communication type
Power Train
component
2000
model years
7
vehicle entries
Official summary
Revised drive pinion flange yoke and or oil seal replacement procedure. *eh updated *eh
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.