Chevrolet Astro 2003 — technical service bulletin
Bulletin 04012004 · NHTSA communication 10009197 · issued Apr 1, 2004
Technical service bulletin
communication type
Suspension
component
2003
model years
2
vehicle entries
Official summary
An interference condition between the lower ball joint rubber boots and the steering knuckles that may cut the boots that are intended to seal the ball joints. Dealers are to modify the steering knuckles and replace the lower ball joint. *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.