Chevrolet Corvette 1997–2002 — technical service bulletin
Bulletin 020420003 · NHTSA communication 634897 · issued Jul 1, 2002
Technical service bulletin
communication type
Power Train
component
1997–2002
model years
6
vehicle entries
Official summary
Subject regarding revised side cover and gasket replacement (rh) / differential carrier cover and seal replacement - right. *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.