WenmarOpen by Wenmar Pro

Service bulletin AS5-25

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 id11022191
Published by NHTSA2025-08-27
Manufacturer's numberAS5-25
Manufacturer's date2025-08-08
NHTSA componentPOWER TRAIN

NHTSA's summary

Axle whine under no-load conditions - guidance for diagnosis and customer communication

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

Transmission and driveline

Vehicles listed
INEOS GRENADIER2024, 2025

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
SSM 620 Axle Breather2026-02-04. Service bulletin. Request for supporting images of axle breather and surrounding area prior to replacement.