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Service bulletins for the 2018 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.

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

By type

By component

By trouble code

Only bulletins with component: Brakes are shown. Show all

Bulletins, newest first
No. D7522026-02-05. Service bulletin. SERVICE BRAKES. Parts information for parts withdrawal involving the caliper without brake pads. The part numbers affected are in the attached PDF. The vehicles associated are cars that use the part numbers in the PDF.
No. D7492025-12-05. Service bulletin. SERVICE BRAKES. Parts information for parts withdrawal involving the brake disc 9Y0615301AJ
D7192025-06-02. Service bulletin. SERVICE BRAKES. Parts information for Parts Withdrawal - 1 Set of Brake Pads for Disk Brake. Vehicles included are all cars that use part number 992698451R
No. D6892024-08-06. Service bulletin. SERVICE BRAKES. Parts information for parts withdrawal involving the brake hose 9J1611707F and 9J1611708F
No. D6842024-07-02. Service bulletin. SERVICE BRAKES. Parts information for parts withdrawal involving the retainer for brake hose/brake line
No. D6812024-06-05. Service bulletin. SERVICE BRAKES. Parts information for parts withdrawal involving the retainer for brake hose/pressure difference sender. (9J1611845C, 9J1611846C, PAB906051C)
No. 1801.42022-04-05. Service bulletin. SERVICE BRAKES. Advanced technical information for a brake squeal.
ATIALL416052021-06-28. Service bulletin. EQUIPMENT; SERVICE BRAKES. Understanding and addressing brake squeal complaints.
ATI991415032021-06-28. Service bulletin. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:ROTOR; SERVICE BRAKES, HYDRAULIC; SERVICE BRAKES, AIR:DISC:ROTOR. Clicking Noise From Front PCCB Rotors -
122-S6Q2R-062021-03-06. Service bulletin. EQUIPMENT; SERVICE BRAKES. Resubmitting at request of Mr. Bernard Hardgrave. Advanced technical information on brake fluid for all Porsche vehicles.
No. 1503.12020-12-02. Service bulletin. SERVICE BRAKES. Advanced technical information on a clicking sound from front PCCB rotors on certain 911 Turbo S models.
No. 20172020-10-01. Service bulletin. SERVICE BRAKES, HYDRAULIC. New Special tools information on VAS 6627A/11 Brake Caliper Drilling Template.
122-R7L3B-092019-09-23. Service bulletin. SERVICE BRAKES, HYDRAULIC. Technical bulletin detailing clicking noise from the front Carbon Ceramin Brakes (PCCB) on 911 Turbo and Turbo S models in the 991 generation. Bulletin advises dealers to submit a Technical Support request immediately due to the customer sensitivity of the issue.
122-M3V5H-062019-06-24. Service bulletin. PARKING BRAKE. Adjusting Parking Brake for brake shoes which were too long on one end.
122-C9S9Q-122019-02-25. Service bulletin. WHEELS; SERVICE BRAKES, HYDRAULIC. Loose M6 Screws Securing PCCB Rotors to Wheel Hub
122-X3R3E-062018-06-25. Service bulletin. SERVICE BRAKES. Information: Due to an allocation error, there is a possibility that the air guides for the brake discs on the front axle were not supplied with the affected vehicles during the production process. As a result, the air guides may not have been fitted during the sales check at the dealership. Remedial Action: Fit air guides for brake discs in the front wheel housing

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