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Service bulletin 201217REV-OLHR

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 id10185571
Published by NHTSA2021-01-30
Manufacturer's number201217REV-OLHR
Manufacturer's date2021-01-15
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

The attached owner notification letter regarding Product Upgrade campaign 201217REV was mailed 1/15/2021 to the owners of certain model year 2021 Holiday Rambler Endeavor (manufactured 6/24/2020- 9/28/2020) and Navigator (manufactured 6/24/2020- 9/4/2020) Class A diesel motorhomes. The purpose of this owner notification letter is to inform the owners of certain model year 2021 Holiday Rambler brand Endeavor and Navigator Class A diesel motorhomes about Product Upgrade 201217REV. On motorhomes affected by this Product Upgrade, there may be inadequate clearance between the oil fill tube and adjacent chassis components. Adjusting the position of the oil fill tube mounting bracket will correct this condition.

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
HOLIDAY RAMBLER ENDEAVOR2021
HOLIDAY RAMBLER NAVIGATOR2021

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