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RecallGazette

Vehicle problems, recalls & safety intelligence

Porsche 718 1984–2021technical service bulletin

Bulletin No. 08-21 · NHTSA communication 10189703 · issued Mar 5, 2021

Technical service bulletin
communication type
Engine and Engine Cooling
component
1984–2021
model years
60
vehicle entries

Official summary

List of approved C40 engine oils for new and classic Porsche vehicles MY 1984 and newer.

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.