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Service bulletins for the 2013 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.

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

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Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
No. 53-202021-01-05. Service bulletin. ENGINE AND ENGINE COOLING. List of approved C40 style engine oils for new and classic Porsche vehicles.
No. 20002020-11-06. Service bulletin. ENGINE AND ENGINE COOLING. Advanced Technical information on a NVH Lubrication kit.
No. 11-152020-10-01. Service bulletin. ELECTRICAL SYSTEM; ENGINE. Information on replacing the control unit for the auxiliary alarm system in the event of fault codes.
No. 31-202020-10-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION. List of approved engine oils for all Porsche models since 2003.
No. 21-132020-10-01. Service bulletin. ENGINE AND ENGINE COOLING. Instructions on how to rework the crankshaft pulse sender in the event of rough running.
No. 33-202020-10-01. Service bulletin. ENGINE AND ENGINE COOLING. Overview of Approved Porsche C20 Engine Oils
No. 16-202020-06-01. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. List of approved A40 engine oils for all applicable vehicles as of 1984.
122-T4N8F-052020-05-05. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING. Porsche intranet posting for Workshop Campaign WLA4.
122-T7L9Z-052020-05-05. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING. Workshop Campaign instructions for WS Campaign WLA4 - Retrofitting Heat Shield.
122-M8J3B-052020-05-04. Service bulletin. ENGINE AND ENGINE COOLING. List of approved C40 engine oils for all Porsche models since 1984.
122-F4J4K-042020-04-02. Service bulletin. ENGINE AND ENGINE COOLING. List of approved engine oils for all Porsche models.
122-T9S3B-022020-02-04. Service bulletin. ENGINE AND ENGINE COOLING. List of approved C30 engine oils for all Porsche vehicles since 1984.
122-Z2X7A-022020-02-04. Service bulletin. ENGINE AND ENGINE COOLING. List of approved C20 engine oils for all Porsche vehicles since 1984.
122-S7K8Z-022020-02-04. Service bulletin. WHEELS; ENGINE AND ENGINE COOLING. List of approved A40 engine oils for all Porsche vehicles since 1984.
122-T6A9F-022020-02-04. Service bulletin. SEATS; WHEELS; ENGINE. Parts withdrawal for various parts that were used in Recall and workshop campaigns.
122-N4W7J-112019-11-01. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. Parts withdrawal bulletin for the coolant pump on 991 and 992 911 models.
122-G2B4B-112019-11-01. Service bulletin. ENGINE AND ENGINE COOLING. List of approved A40 engine oils for Porsche vehicles.
122-X2X7N-072019-07-08. Service bulletin. ENGINE AND ENGINE COOLING. Notice to dealers that coolants will be moved out of the special tool cabinet in the dealer service department in order to make room for new special tools. All coolant tools will be moved to the "Coolant Cart" because they need to be housed in the same place.
122-X4X7D-092018-11-19. Service bulletin. ENGINE AND ENGINE COOLING. Cause The noises can occur if there is excessive spring force tolerance in the oil separator Date of introduction The optimized oil separators are used in production from November 25, 2015. Remedial action In the event of a customer complaint, check the part number of the installed oil separator and replace the oil separator if necessary.
122-P5G7U-072018-08-06. Service bulletin. ELECTRICAL SYSTEM:WIRING; ENGINE. Oil in the wiring harness. If oil is found in the engine wiring harness during a repair, the wiring harness and all the affected components (including the oil pump control valve) must be replaced.
122-L7V6H-032018-03-13. Service bulletin. ENGINE. Information: Subsequent performance increase to 316 kW(430 HP) Engine Type: Standard engine MA103 with engine power of 294 kW (400 hp) General: A parts kit is available for increasing the performance of the standard engine. Increased performance is achieved by implementing the following measures on the engine: ? New cylinder heads with flow-optimized intake ports, valves and valve springs. ? New intake camshafts. ? New resonance intake manifold with switching flaps (material: aluminum sand cast). ? Modified maps for the DME control unit.
122-F5K9C-062017-09-14. Service bulletin. ENGINE; EQUIPMENT:ELECTRICAL. Concerns: DME control unit Information: This is to inform you of a voluntary Workshop Campaign on the above-mentioned vehicles. A new data record is available for the DME control unit. This data record improves the engine running quality at idle speed in order to prevent possible engine speed fluctuations and customer complaints. The improved idling quality only affects engine operating comfort.
122-Y2P7D-052017-09-14. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. Concerns: Vacuum line for exhaust flaps Information: The vacuum line for the exhaust flaps can shorten because of the heat from the engine and become detached from the vacuum units for the exhaust flaps over the service life of the vehicle.
122-K9M6Z-062017-07-28. Service bulletin. ELECTRICAL SYSTEM:WIRING; ENGINE. Concerns: Contacts on connector/wiring harness for DME control unit Information: Damaged contacts on connector/wiring harness for DME control unit. Due to problems caused by damaged contacts on the connector/wiring harness for the DME control unit during electric fault finding.

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