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Service bulletin 1HD-A2G3B-12

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 id10090284
Published by NHTSA2017-02-03
Manufacturer's number1HD-A2G3B-12
Manufacturer's date2016-09-28
NHTSA componentENGINE

NHTSA's summary

WE HAVE HAD REPORTS OF POSSIBLE OIL OR COOLANT LEAKS WITH MILWAUKEE-EIGHTâ„¢ EQUIPPED VEHICLES.

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine

Vehicles listed
HARLEY-DAVIDSON FLHP2017
HARLEY-DAVIDSON FLHR2017
HARLEY-DAVIDSON FLHTCUTG2017

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