WenmarOpen by Wenmar Pro

Service bulletin 500

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 id624980
Published by NHTSA2001-11-16
Manufacturer's number500
Manufacturer's date2001-06-01
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:GASOLINE

NHTSA's summary

APPROVED ENGINE OILS. *YH

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine

Vehicles listed
PORSCHE 911 TURBO2001 (the catalog's model; the bulletin names a series or trim of it)

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

Other bulletins for the same vehicles and component
No. D7472025-12-05. Service bulletin. Parts information for parts withdrawal involving the pressure sensor. The vehicles affected are cars that use the part number 9A790605201
No. D7452025-12-05. Service bulletin. Parts information for parts withdrawal involving the Thermostat (PAB121115C). The cars affected are ones that use this part number.
No. D7442025-11-06. Service bulletin. Parts information for parts withdrawal involving the wiring set for engine and wire set. The vehicles affected are cars that use the part numbers in the PDF.
No. D7432025-11-06. Service bulletin. Parts information for parts withdrawal involving the thermostat on certain vehicles. The cars affected are cars that use part number PAB121115D
No. 12-252025-11-06. Service bulletin. Manufacturers certificate for allocation of approved engine oils from MY20
No. D739.12025-10-08. Service bulletin. Parts information for parts withdrawal involving the belt latch. 9Y0857755D and 9Y0857755E, the vehicles affected use the part numbers mentioned.
No. D7402025-10-08. Service bulletin. Parts information for Parts Withdrawal - Air Line (9Y1616719 & 9Y2616719). The vehicles affected are cars that use the part numbers mentioned
No. D7392025-10-08. Service bulletin. Parts information for parts withdrawal involving the belt latch. Part numbers 9Y0857755D & 9Y0857755E are involved. The vehicles considered would use the part numbers mentioned.
No. D727.12025-10-08. Service bulletin. Parts information for parts withdrawal involving the compressor. Part numbers 971260601Q, 971260601QU,971260601QX, 971260601RU, 971260601SU, 971260601SX, 971260601R, 971260601RX are all affected. The vehicles that use any of the part numbers listed should be considered for this.
No. 32-252025-09-08. Service bulletin. Manufacturers certificate for overview of approved Porsche A40 engine oils. The vehicles affected are cars that use A40 engine oils. MY1997-2020