Chevrolet Corvette 2005–2006 — technical service bulletin
Bulletin 3391 · NHTSA communication 10016706 · issued Sep 28, 2005
Technical service bulletin
communication type
Power Train
component
2005–2006
model years
6
vehicle entries
Official summary
4l60e/4l65e automatic transmission may experience a condition of distressed transmission fluid and/or slipping, late or missed shifts in 2nd, 3rd, and 4th. *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.