Porsche 718 1984–2020 — technical service bulletin

Bulletin No. 04-23 · NHTSA communication 10232392 · issued Feb 13, 2023

Technical service bulletin

communication type

Engine and Engine Cooling

component

1984–2020

model years

vehicle entries

Official summary

Overview of approved engine C40 oils for all Porsche models that use C40 oil.

Vehicles covered

2017 Porsche 718
2017 Porsche 718 Boxster
2018 Porsche 718 Boxster
2019 Porsche 718 Boxster
2020 Porsche 718 Boxster
2017 Porsche 718 Boxster S
2018 Porsche 718 Boxster S
2019 Porsche 718 Boxster S
2020 Porsche 718 Boxster S
2017 Porsche 718 Cayman
2018 Porsche 718 Cayman
2019 Porsche 718 Cayman
2020 Porsche 718 Cayman
2017 Porsche 718 Cayman S
2018 Porsche 718 Cayman S
2019 Porsche 718 Cayman S
2020 Porsche 718 Cayman S
2019 Porsche 718 Spyder
2020 Porsche 718 Spyder
1984 Porsche 911
1987 Porsche 911
1988 Porsche 911
1989 Porsche 911
1990 Porsche 911
1991 Porsche 911
1992 Porsche 911
1993 Porsche 911
1994 Porsche 911
1995 Porsche 911
1996 Porsche 911
1997 Porsche 911
1998 Porsche 911
1999 Porsche 911
2000 Porsche 911
2001 Porsche 911
2002 Porsche 911
2003 Porsche 911
2004 Porsche 911
2005 Porsche 911
2012 Porsche 911
2013 Porsche 911
2014 Porsche 911
2015 Porsche 911
2016 Porsche 911
2017 Porsche 911
2018 Porsche 911
2019 Porsche 911
2020 Porsche 911
2005 Porsche 911 (997)
2006 Porsche 911 (997)
2007 Porsche 911 (997)
2008 Porsche 911 (997)
2009 Porsche 911 (997)
2010 Porsche 911 (997)
2011 Porsche 911 (997)
1997 Porsche 911 Carrera
1998 Porsche 911 Carrera
1999 Porsche 911 Carrera
2000 Porsche 911 Carrera
2001 Porsche 911 Carrera

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.