WenmarOpen by Wenmar Pro

Service bulletins for the 1998 Porsche 911

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.

146 on file from NHTSA, as of 2026-10-19.

By type

By component

Bulletins, newest first
122-Z6Y7L-092019-09-23. Service bulletin. ELECTRICAL SYSTEM. Bulletin outlining PIWIS Tester updates 38.600.030 & 035.
122-E4R8U-092019-09-23. Service bulletin. ELECTRICAL SYSTEM. Bulletin outlining PIWIS Tester updates 38.600.020.
122-B3Y6H-092019-09-23. Service bulletin. ELECTRICAL SYSTEM. Bulletin outlining PIWIS Tester updates 38.600.000, .010, & .015.
122-V3B6B-072019-07-08. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Announcement of a 6 month warranty extension on VAS 581005P R1234yf Service Units for air conditioning.
122-W9D2T-072019-07-08. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Instructions for using VAS 581005P in order to chech and service R1234yf Air Conditioning Unit.
122-N7T9K-052018-05-21. Service bulletin. EQUIPMENT; SUSPENSION:FRONT:SPRINGS:COIL SPRINGS. Subject: Replacing the coil spring on the front axle during repairs Information: Coil spring for the respective chassis no longer available. Notes: During repairs, the faulty coil spring will be replaced by a new coil spring of similar design. A spring plate (compensation part)may also have to be used (see Part Info table). The new coil spring has the same function as the coil spring installed in the vehicle. A faulty coil spring must always be replaced on both sides of the axle. Existing sets containing a coil spring that is no longer available will be interpreted into new sets. Parts Info: The table below shows how the old coil springs (sets) are interpreted into the new coil springs (sets) and which spring plate (compensation part) may also have to be used:
122-J8G5Z-092017-09-14. Service bulletin. SUSPENSION:FRONT:SHOCK ABSORBER; SUSPENSION:REAR:SHOCK ABSORBER. Information: Shock absorber for the respective chassis no longer available
TI-58-122014-08-05. Service bulletin. ELECTRICAL SYSTEM:IGNITION. PORSCHE: PROCEDURAL INFORMATION PROVIDED REGARDING THE REPLACING OF FAULTY CRACKED IGNITION COILS ON CERTAIN VEHICLES. MODEL 1997-2013 BOXSTER (986), BOXSTER/CAYMAN (987), CARRERA (996 & 997). *PE
TI-39-122012-06-14. Service bulletin. EXTERIOR LIGHTING:BRAKE LIGHTS:SWITCH. PORSCHE: THE INSTRUMENT CLUSTER DISPLAYS WARNING OF BRAKE LIGHT REMAINS ON. *PE
PK-D8-162011-06-20. Service bulletin. UNKNOWN OR OTHER. PORSCHE: INFORMATION ON HOW TO READ THE VIN. *RM
PI-D48-132010-12-04. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. PORSCHE: REQUESTS RETURN OF PARTS TO PCNA FOR FUEL PUMP #911 608 110 03. *PE
D772008-07-16. Service bulletin. VISIBILITY:WINDSHIELD WIPER/WASHER:SWITCH/WIRING. PARTS WITHDRAW; PORSCHE CARS NORTH AMERICA REQUESTS RETURN OF THE FOLLOWING UNITS TO PCNA: PART NUMBERS 955 628 320 00 AND 955 628 321 00; DESCRIPTION TIP SWITCH. *PE
D762008-07-16. Service bulletin. FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS. PARTS WITHDRAWN. PORSCHE CARS NORTH AMERIC REQUESTS RETURN OF THE FOLLOWING UNIT TO PCNA, BUT ONLY IN CASES WHERE THE DEFECT IS VISIBLE: PART NUMBER 955 110 235 01, DESCRIPTION FUEL LINE. *PE
1010052005-12-16. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. HANDLING PTFE CRANKSHAFT SEALS. 8JB
13592005-12-14. Service bulletin. ENGINE AND ENGINE COOLING. INSTALLING PTFE (POLYTETRAFLUOROETHYLENE) CRANKSHAFT SEALS ON REPLACEMENT ENGINES. *TT
02042004-12-10. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SECONDARY OIL FILTER BLEED BACK. P/N - 993 107 203 03. *TT
02032004-12-10. Service bulletin. UNKNOWN OR OTHER. EXCHANGE ENGINES AND TRANSMISSIONS FOR WARRANTY. THIS BULLETIN REPLACES BULLETIN WTY0203 DATED 2-15-02. *TT
6032004-07-08. Service bulletin. TIRES. OVERVIEW OF SUMMER TIRES, WHEELS AND SPACER RINGS. *MR
0992003-09-02. Service bulletin. FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:FILLER PIPE AND CAP. FUEL FILLER CAP (SERVICE ACTION) BULLETIN DELETION. *TT
5012002-05-20. Service bulletin. STRUCTURE:BODY. WATER DRAINAGE IN FRONT COWL AREA. *SLC
6A002001-11-16. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION (PRNDL). INFORMATION REGARDING SELECTOR LEVER BUTTON POPPING OFF WHEN SELECTING DRIVE POSITIONS. *YH

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.