# Service bulletins for the 2017 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.

7 bulletins from NHTSA, as of 2026-10-19.

- [AR861](/bulletins/10144772.md), 2018-09-17, Service bulletin: SUSPENSION. AR861\-Upper Shock/Track Bar Mount Inspection and Repair. Complaint\-Upper plates previously installed in AR839 are cracking and pulling away from frame. Cause\-Insuffiecient/bad welds not holding under loads. Correction\-Inspect/correct welds including drilling 1/8" stop holes into frame at the end of cracks and weld per procedure. Vehicles Affected\-All Spirit of Mobility \(SOM\) units with Reyco Granning rear suspension where AR839 has already been completed.
- [AR860](/bulletins/10144771.md), 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. \(Buses between SO\# 2202 and 2736\)
- [AR847](/bulletins/10118554.md), 2017-10-05, Service bulletin: ELECTRICAL SYSTEM. AR847\-Loose Thermo King Power \& Ground Lugs Inspection\-Repair. Complaint\-Power/Ground lugs looseat connection points at circuit breaker or ground bar. Cause\-Lugs incorrectly crimped or loose connections at circuit breaker or ground bar. Correction\-Review lugs for secure installation and lug crimp \(repair as needed\)
- [AR845](/bulletins/10118552.md), 2017-10-05, Service bulletin: ELECTRICAL SYSTEM. AR845\-Replacing Underhood 100A with 120A Circuit Breaker. Complaint\-100A circuit breaker tripping prematurely. Cause\-Manufacturing tolerances of the breaker and the temperature derate curve associated with the breaker. Correction\-Replace underhood 100A with 120A circuit breaker. Affects 2017 SOM units with 100A circuit breakers with aftermarket electrical equipment installed.
- [AR842](/bulletins/10115846.md), 2017-08-25, 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.
- [AR841](/bulletins/10115845.md), 2017-08-25, 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.
- [AR840](/bulletins/10115844.md), 2017-08-25, 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.

JSON: [/v1/vehicles/2017_arboc_spirit-of-mobility/bulletins](/v1/vehicles/2017_arboc_spirit-of-mobility/bulletins)

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