Service bulletins for the 2015 ARBOC Spirit of Mobility
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.
9 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Body and frame are shown. Show all
| AR860 | 2018-09-17. Service bulletin. STRUCTURE:FRAME AND MEMBERS. 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) |
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| AR839 | 2017-08-25. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; SUSPENSION:REAR:SHOCK ABSORBER; STRUCTURE; SUSPENSION:FRONT:SHOCK ABSORBER. 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. STRUCTURE; STRUCTURE:FRAME AND MEMBERS. 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) |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.