Service bulletin AR860

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)
Type	Service bulletin
NHTSA id	10144771
Published by NHTSA	2018-09-17
Manufacturer's number	AR860
Manufacturer's date	2018-08-02
NHTSA component	STRUCTURE:FRAME AND MEMBERS

NHTSA's summary

AR860-Front Pivot Mount Inspection and Repair. Complaint-Pivot mount bolts having repeated premature failure. Cause-Spring pivot bolt movement allowed by elongated mounting hole. Correction-Inspect/replace bolt. Labor allowance 2 hours per unit. Vehicles affected-Units that have completed AR831 and built with the front pivot mount bolted to the ARBOC frame without welding. (Buses between SO# 2202 and 2736)

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

Body and frame

Vehicles listed
ARBOC SPIRIT OF MOBILITY	2009 to 2012
ARBOC SPIRIT OF MOBILITY	2013, 2014, 2015, 2016, 2017

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

Recalls for the same vehicles and component
19V870000	2019-12-09. STRUCTURE:EMERGENCY:ESCAPE/EGRESS/EXIT

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
AR839	2017-08-25. Service bulletin. AR839-Upper Shock/Track Bar Mount Replacement. Complaint-Cracking at upper shock and track bar mounts on chassis frame. Cause-Concentrated stress loads. Correction- Drill 1/8" stop holes into frame at the end of the cracks and weld provided retrofit bracket in affected areas.
AR831	2017-08-10. Service bulletin. Front Pivot Mount Reinforcement-Complaint-Pivot Mounts 1306500-18 (RS) and 1306500-19 (CS)= bolts coming loose/shearing causing bracket failure. Cause-Inferior bracket support leading to bolt shearing and pivot mount movement. Correction-Add gussets and welding per instruction. Vehicles Affected-Units built with the front pivot mount bolted to the ARBOC frame without welding (SOM only between SO# 2202 and 2736)