Porsche 911 Turbo 2001 — technical service bulletin
Bulletin 500 · NHTSA communication 10001459 · issued Feb 28, 2003
Technical service bulletin
communication type
Engine and Engine Cooling
component
2001
model years
1
vehicle entries
Official summary
Engine oils approved by porsche. *tt replaced manufacturers tsb number 500 dated 11-30-01. *nm
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.