ARBOC Specialty Vehicles Recalls Spirit of Freedom and Spirit of Mobility Buses for Brake System Defects

Source: NHTSA · United States

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ARBOC Specialty Vehicles is recalling 871 transit buses because incorrectly installed rear brake lines may cause the anti-lock brake system (ABS) to malfunction, increasing crash risks.

What this NHTSA vehicle recall tells you, and what most readers miss

This notice was issued by NHTSA on March 21, 2026 and geographically references United States. Its severity classification of "high" signals how the issuing agency weighs the risk of harm if no action is taken — "critical" and "high" tier alerts typically carry direct consumer actions, while "medium" and "low" tend toward informational guidance or monitoring advisories. The category it belongs to — Vehicle Recalls — determines the regulatory framework behind it, which shapes what remedies (refunds, replacements, recalls, evacuations) are available to affected individuals and who holds statutory responsibility for enforcement.

Most readers skim a notice like this, check whether they are personally affected, and move on. The more useful lens is to read it as a data point about the issuing system: how quickly NHTSA detected the hazard, how precise the geographic or product-identifier scope is, and whether similar notices have clustered in the same category or region in the last 90 days. Cluster patterns frequently precede a broader regulatory action — a single localized NHTSA vehicle recall is isolated; three of them within a quarter often indicate a supply-chain, infrastructure, or seasonal driver that will keep producing notices until something structural changes.

For decision-making, Areazine pairs each alert with the original agency URL, the full agency name, and a timestamp so you can verify the notice against the primary source before acting on it. Tags on this item (recall, product-safety, nhtsa, transit-bus) map to related alerts in the same area of risk — browsing them together gives a clearer picture than any single notice alone, because the shape of an ongoing issue only becomes visible across multiple sequential alerts.

What Happened

ARBOC Specialty Vehicles, LLC (ARBOC) has initiated a recall for certain transit buses due to a manufacturing defect involving the hydraulic service brakes. According to the National Highway Traffic Safety Administration (NHTSA), the rear brake lines on these vehicles may have been installed incorrectly. This error can cause the anti-lock brake system (ABS) modulator valve to malfunction. Consequently, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 105, which governs "Hydraulic and Electric Brake Systems."

Which Products Are Affected

The recall affects approximately 871 units. The following models and years are included in this action:

  • ARBOC Spirit of Freedom: Model years 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, and 2026.
  • ARBOC Spirit of Mobility: Model years 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, and 2026.

What You Should Do

ARBOC will provide instructions to owners on how to reroute and re-connect the rear brake lines. This repair will be performed free of charge. Owner notification letters are expected to be mailed by April 24, 2026. Owners may contact ARBOC customer service directly at 1-866-953-5555 for more information regarding the repair process.

Why This Matters

The malfunction or loss of the rear ABS system can significantly increase the risk of a vehicle crash, posing a serious safety hazard to the driver, passengers, and others on the road.

Source

Information provided by the National Highway Traffic Safety Administration (NHTSA), Campaign Number 26V137000.

Original source: NHTSA Official Notice ↗

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Frequently Asked Questions

Common questions about this NHTSA vehicle recall.

What is this NHTSA vehicle recall about?
ARBOC Specialty Vehicles is recalling 871 transit buses because incorrectly installed rear brake lines may cause the anti-lock brake system (ABS) to malfunction, increasing crash risks.
Which agency issued this alert?
This alert was issued by NHTSA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects United States. Check with NHTSA for the most current geographic scope.
Where can I find more Vehicle Recalls updates?
Browse the full Vehicle Recalls feed on Areazine at areazine.com/recalls/vehicles/ for the latest updates from NHTSA and other agencies.