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Service bulletins for the 2016 ARBOC Spirit of Liberty

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

By type

By component

Bulletins, newest first
AR8752020-06-25. Service bulletin. ELECTRICAL SYSTEM. Complaint: 30A Recessed Breaker not secured with top & bottom bolt through firewall Cause: Hole is cut too large Correction: R/R Circuit Breaker with a Mounting Plate
AR8632019-06-07. Service bulletin. SERVICE BRAKES, HYDRAULIC; ELECTRICAL SYSTEM. AR863-ARBOC 2016, 2017, 2018 SOL Shift Inhibit Add For Service Brake-Complaint-Customer can shift the transmission into drive or reverse without touching the service brake "brake pedal". Cause-FCCC Chassis Design. Correction-Electrical modifications and programming changes to provide a brake transmission shift interlock. Affects 2016, 2017 and 2018 Spirit of Liberty (SOL) buses. Will cover 1 hour labor.
AR8622018-11-19. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC). AR862-Skid Plate Installation-Vehicles Affected-All Spirit of Liberty (SOL) units. Complaint-Skid plate not installed. Cause-Option not selected on Sales Order. Correction-Add skid plate, part # 1309080.
AR8382017-08-25. Service bulletin. SUSPENSION. AR837-FCCC Front Suspension Increase-Complaint-Customer complaint about front end contact with road. Cause-Design. Correction-Add plate under front air springs and change ride height linkage to increase front air spring height. Affects buses 2599 and 2578 2853.
AR8322017-08-10. Service bulletin. SUSPENSION. Weight Assembly For 29' Liberty-Complaint-Unit porpoises and sways under driving conditions. Cause-Not enough weight in front of axle to balance weight distribution. Correction-Add weight per AR832 repair instruction. Affects one bus, SO# 2599.
AR8292016-11-10. Service bulletin. PARKING BRAKE. COMPLAINT-CUSTOMER DOES NOT WANT THE E-BRAKE TO ACTIVATE WHEN THE ENTRY DOOR IS OPENED. CAUSE-ENGINEER DESIGN. CORRECTION-WITH RAMP DEPLOY OR KNEEL SWITCH ACTIVATION, INTERLOCK WILL APPLY E-BRAKE WHICH ALLOWS USE OF THE DOOR WITHOUT A LOCKING MECHANISM. AFFECTS ONLY ARBOC SO-2086, 2142, 2473, 2474, 2515, 2516, 2517, 2523, 2524, 2539, 2545, 2546, 2551, 2565, 2585, 2599, 2604, 2647, 2648, 2578, 2644, 2586, 2587.

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