Service bulletin M1600

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.

NHTSA's summary

SERVICE BULLETIN M1600: 2023 MILWAUKEE EIGHT OIL PAN FASTENER CHANGE. PURPOSE: This bulletin informs dealers that there is a running change for the oil pan fastener on all Milwaukee-Eight powered Softail and Touring models. As of Monday July 31, 2023, Powertrain Operations (PTO) in Menomonee Falls, WI is building all Milwaukee-Eight Softail and Touring powertrain models with new oil pan fasteners (Part No. 12600369). The old fasteners (Part No. 4741A) will still remain available for dealer purchase. The oil pans for the Softail and Touring models were updated to accept the new fastener geometry. Their Part Numbers have been superseded to (-A). Touring will be (Part No. 24400180A) and Softail will be (Part No. 24400208A). The new fastener will not fit with an old oil pan but the old hardware will still be available for dealer purchase. The old fastener CAN be used with a new (-A) oil pans. The fastener torque has not been changed.

The document

• NHTSA's copy of the document (PDF)
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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

Engine, Transmission and driveline

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