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Service bulletin 511278

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 id10185506
Published by NHTSA2021-02-01
Manufacturer's number511278
Manufacturer's date2021-01-11
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

As per Ford Motor Company Recall 20V413, The affected vehicles may have a missing under body heat shield, thermal insulator patch under the floor mat, or covers for the seat bolts and the seat pedestal. This may cause elevated temperatures on the interior cabin floor or seat attachments during certain high load and high ambient temperature driving conditions. Contact with exposed skin at these locations could cause skin irritation and/or a minor burn.

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
FOREST RIVER ROCKPORT2019
STARCRAFT BUS ALLSTAR MVP2021

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

Other bulletins for the same vehicles and component
5113792021-08-03. Service bulletin. Per FCA’s Recall 21V439, the engine calibration software may not warn of low oil volume.