Porsche Boxster 1997 — technical service bulletin
Bulletin 402 · NHTSA communication 10000042 · issued Dec 13, 2002
Technical service bulletin
communication type
Engine and Engine Cooling
component
1997
model years
1
vehicle entries
Official summary
Complaints about the dual mass flywheel due to transmission noises (rattling, knocking noise). *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.