Porsche 911 1966–2022 — technical service bulletin
Bulletin No. D599 · NHTSA communication 10209855 · issued Mar 14, 2022
Technical service bulletin
communication type
Engine and Engine Cooling
component
1966–2022
model years
60
vehicle entries
Official summary
Parts information for parts withdrawal involving the valve spring. Part numbers affected are PAB109623 and 958109623.
Vehicles covered
- 1966 Porsche 911
- 1967 Porsche 911
- 1969 Porsche 911
- 1970 Porsche 911
- 1972 Porsche 911
- 1973 Porsche 911
- 1974 Porsche 911
- 1975 Porsche 911
- 1976 Porsche 911
- 1977 Porsche 911
- 1978 Porsche 911
- 1979 Porsche 911
- 1983 Porsche 911
- 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
- 2021 Porsche 911
- 2022 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
- 2002 Porsche 911 Carrera
- 2003 Porsche 911 Carrera
- 2004 Porsche 911 Carrera
- 2005 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.