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Service bulletin No. 19-20

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10176847
Published by NHTSA2020-07-01
Manufacturer's numberNo. 19-20
Manufacturer's date2020-06-15
NHTSA componentEQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

NHTSA's summary

List of approved engine oils for classic vehicles.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Equipment and accessories, Labels and manuals

Vehicles listed
PORSCHE 9111996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
PORSCHE 911 (997)2005 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE 911 CARRERA1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE 911 CARRERA 4 CABRIOLET1996, 1997, 1998 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE 911 CARRERA 4 CABRIOLET2003 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE 911 CARRERA 4S2003 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE 911 CARRERA CABRIOLET1996, 1997, 1998 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE 911 CARRERA CABRIOLET2003 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE 911 CARRERA S2005 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE 911 CARRERA S CABRIOLET2005 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE 911 GT22003, 2004, 2005 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE 911 GT32003, 2004, 2005 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE 911 TARGA2003 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE 911 TURBO1997 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE 911 TURBO2001, 2002, 2003, 2004, 2005 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE 911 TURBO S2005 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE 911SC2000 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE 9681997
PORSCHE 9682001
PORSCHE 996 TURBO2002
PORSCHE BOXSTER1996
PORSCHE BOXSTER1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
PORSCHE BOXSTER (987)2005 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE BOXSTER S2000, 2001, 2002, 2003 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE BOXSTER S2005 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE CABRIOLET1999
PORSCHE CARRERA1996 to 1999
PORSCHE CARRERA2001
PORSCHE CARRERA GT2004 to 2005
PORSCHE CAYENNE2003, 2004, 2005
PORSCHE CAYENNE S2003, 2004, 2005 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE CAYENNE TURBO2003, 2004, 2005 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE CAYMAN2005
PORSCHE CAYMAN S2005
PORSCHE GT22002
PORSCHE TARGA1996

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
13V0630002013-02-26. VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR; EQUIPMENT:OTHER:LABELS
20032312003-09-25. Label
03V3510002003-09-24. EQUIPMENT:OTHER:LABELS

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
No. 24042024-04-03. Service bulletin. Special tools and equipment information for the Boxster, Cayman, 911, and Panamera
PIWIS2401e2024-02-08. Service bulletin. Information on PIWIS tester update 42.500.005
PIWIS2302s2023-12-08. Service bulletin. Information for PIWIS tester update 42.300.050 & .052
No. 35-232023-12-07. Service bulletin. Instructions on manufactures certificate for approved Porsche A40 engine oils
No. 33-232023-12-07. Service bulletin. Instructions on manufactures certificate for approved Porsche C30 engine oils
No. 32-232023-12-07. Service bulletin. Instructions on manufacturers certificate for approved C20 engine oils
PIWIS2302r2023-12-07. Service bulletin. Information for PIWIS tester update 42.300.040 & .041
PIWIS2302q2023-12-07. Service bulletin. Information for PIWIS tester update 42.300.035
PIWIS2302p2023-12-07. Service bulletin. Information for PIWIS tester update 42.300.030 - .032
No. D6542023-12-07. Service bulletin. Parts information for parts withdrawal involving the glass roof - 9J0877069EY and 9J0877069DY