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Service bulletins for the 2016 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.

12 on file from NHTSA, as of 2026-10-19.

By type

By component

Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
AR8422017-08-25. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; SUSPENSION; FUEL SYSTEM, GASOLINE. Complaint: Desiccant Dryer Filters failing within months of installation which potentially leads to failure of pressure transducer and Thomas Compressor. Cause-Tanks need to be drained daily instead of previous instruction of every oil change. Correction- Add 1200651 (pull-cord drain valve), 1401863 (drain tank label), and repalce 2002838 (desiccant filter). Affects units with Valid Air Suspension with Thomas Compressor without pull-cord drain valves. This WO is the same document as AR840 but this customer needs their own document. There are no differences.
AR8412017-08-25. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. Complaint-Dedicated Micros Box Bracket cracking. Cause-Bracket 1309054 does not have enough material between slotted hole and exterior edge of part. Correction- Replace bracket 1309054 with revised bracket 1310546. Affects only Dallas DART buses.
AR8402017-08-25. Service bulletin. SUSPENSION; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. Complaint: Desiccant Dryer Filters failing within months of installation which potentially leads to failure of pressure transducer and Thomas Compressor. Cause-Tanks need to be drained daily instead of previous instruction of every oil change. Correction- Add 1200651 (pull-cord drain valve), 1401863 (drain tank label), and repalce 2002838 (desiccant filter). Affects units with Valid Air Suspension with Thomas Compressor without pull-cord drain valves.
AR8392017-08-25. 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.
AR8332017-08-10. Service bulletin. EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM:WIRING. Dallas DART-Speaker Mofification-Complaint-Rear speakers not functioning. Cause-Speakers wired to GM OEM connection. Correction-Re-wire into PA System. 27 Dallas DART buses affected, built in 2016 (2607, 2685-2691, 2695-2697, 2700-2703, 2710-2712, 2715-2723)

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.