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RecallGazette

Vehicle problems, recalls & safety intelligence

Porsche 718 1984–2020technical service bulletin

Bulletin No. 31-22 · NHTSA communication 10217275 · issued Jul 30, 2022

Technical service bulletin
communication type
Engine and Engine Cooling
component
1984–2020
model years
60
vehicle entries

Official summary

Overview of approved engine C40 engine oils for all Porsche models using this oil.

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.