WenmarOpen by Wenmar Pro

Service bulletin SIL 15-WT-01 Rev

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 id10117305
Published by NHTSA2017-09-14
Manufacturer's numberSIL 15-WT-01 Rev
Manufacturer's date2017-01-31
NHTSA componentEQUIPMENT:MECHANICAL

NHTSA's summary

Announces product improvement that decreases the clearance between the planetary spindle and the spindle retaining ring and increased hardness in the spindle retainer. Also details dimensions and interchageability of part numbers.

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
ALLISON TRANSMISSION

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