# Service bulletins for the 2013 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.

6 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. \(Buses between SO\# 2202 and 2736\)
- [AR856](/bulletins/10136815.md), 2018-05-14, Service bulletin: ENGINE AND ENGINE COOLING. AR856\-Customer concern about location of Thomas Compressor in wet areas. Cause\-Engineering design for placement. Correction\- Relocate Thomas Compressor to driver side rear of vehicle.
- [AR854](/bulletins/10129773.md), 2018-03-05, Service bulletin: ELECTRICAL SYSTEM. AR854\-Change Electrical Body to Aux Battery Connections. Complaint\-Electrical body connections tied to starter battery instead of aux battery. Cause\-Electrical design. Correction\-Relocate battery connection and add jumper harness between circuit breaker and solenoid. Vehicles Affected Chevy SOM/SOF.
- [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 \(repair as needed\)
- [AR844](/bulletins/10118551.md), 2017-10-05, Service bulletin: SUSPENSION. AR844\-Lower Shock Bracket Replacement\-Complaint\-Restricted shock compression with new upper shock mount location \(AR839\). Cause\-New location of upper shock bracket completed in AR839 \(if completed previously\). Correction\-Remove both existing lower shock brackets and replace. Affects all SOM units with Reyco Granning rear suspension.

JSON: [/v1/vehicles/2013_arboc_spirit-of-mobility/bulletins](/v1/vehicles/2013_arboc_spirit-of-mobility/bulletins)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%202013%20ARBOC%20Spirit%20of%20Mobility&page=https%3A%2F%2Fopen.wenmarpro.com%2Fmakes%2Farboc%2Fspirit-of-mobility%2F2013%2Fbulletins&vehicle=2013%20ARBOC%20Spirit%20of%20Mobility)