WenmarOpen by Wenmar Pro

Service bulletin No. 1904.2

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 id10202053
Published by NHTSA2021-10-06
Manufacturer's numberNo. 1904.2
Manufacturer's date2021-09-10
NHTSA componentEQUIPMENT

NHTSA's summary

Information on new special tool requirements for all 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

Vehicles listed
PORSCHE 7182017
PORSCHE 718 BOXSTER2017, 2018, 2019, 2020
PORSCHE 718 CAYMAN2017, 2018, 2019
PORSCHE 9112020, 2021
PORSCHE CAYENNE2019, 2020, 2021
PORSCHE CAYMAN2020
PORSCHE MACAN2015, 2016, 2017, 2018, 2019, 2020, 2021
PORSCHE PANAMERA2016, 2017, 2018, 2019, 2020, 2021
PORSCHE TAYCAN2020, 2021
PORSCHE redundant BOXSTER2017
PORSCHE redundant BOXSTER2020 to 2021
PORSCHE redundant CAYMAN2021

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

Recalls for the same vehicles and component
20236622023-12-13. Accessories
20186612018-11-28. Accessories
18V8440002018-11-28. EQUIPMENT

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. 120-19-32024-05-03. Service bulletin. Symptom based workshop manual for a noise symptom - rattling noises from engine compartment. Checking balance shaft bracing wheel and replacing if necessary - G2
No. 120-19-22024-05-03. Service bulletin. Symptom based workshop manual for a noise symptom - rattling noises from engine compartment. Checking balance shaft bracing wheel and replacing if necessary - E3
No. 120-19-12024-05-03. Service bulletin. Symptom based workshop manual for a noise symptom - rattling noises from engine compartment. Checking balance shaft bracing wheel and replacing if necessary - 95B
No. 210-202024-05-02. Service bulletin. Technical information for a complaint - oil leak on intake side of right turbocharger - replace intake pipe
No. 24072024-05-02. Service bulletin. Special tools and equipment information on the Cayenne E-Hybrid tools - frame, mount, ring wrench insert.
No. 24042024-04-03. Service bulletin. Special tools and equipment information for the Boxster, Cayman, 911, and Panamera
No. 2401.22024-04-03. Service bulletin. Instructions on advanced technical information for the windshield seal melting/deteriorating
No. 2401.12024-02-08. Service bulletin. Instructions on advanced technical information for the 911 windshield seal melting/deteriorating
No. 166-21-12024-02-08. Service bulletin. Technical information for Oil Leakage on Cylinder Head Cover: Insert Micro-Self-Locking Screw
No. 166-21-22024-02-08. Service bulletin. Technical information for Oil Leakage on Cylinder Head Cover: Insert Micro-Self-Locking Screw