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Service bulletin AR823

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 id10200393
Published by NHTSA2021-08-16
Manufacturer's numberAR823
Manufacturer's date2016-03-01
NHTSA componentVISIBILITY; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:COMPRESSOR; ENGINE

NHTSA's summary

Vehicles Affected: Spirit of Mobility Units with Thomas Air Compressors installed without a one?way check valve on the air tank.

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, Glass, wipers and mirrors, Heating and air conditioning, A/C compressor

Vehicles listed
ARBOC SPECIALTY VEHICLE ARBOC SPECIALTY VEHICLE

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