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Service bulletin FDM-SVC-013

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 id10202953
Published by NHTSA2021-11-04
Manufacturer's numberFDM-SVC-013
Manufacturer's date2021-10-05
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

This bulletin provides instruction for removing the original oil fill and dipstick and installing a new engine oil fill and dipstick. A new oil fill and dipstick was implemented after receiving field reports of leaking dipsticks.

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

Engine

Vehicles listed
OSHKOSH S SERIES

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