Recall 24V558 affects 534 2016-2019 Nova Bus Lfs and Lfs Artic buses for rear brake chamber air leaks. Nova Bus will fix it free.
Nova Bus is recalling 534 2016-2019 Lfs and Lfs Artic buses because a rear-axle brake chamber was improperly manufactured and can leak air. The leak can make the brakes engage unexpectedly, overheat the brakes, and increase the risk of a fire or crash; Nova Bus dealers will complete the recall repair free of charge.
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What's wrong?
The rear axle brake chamber on the 2016-2019 Nova Bus Lfs Artic and Lfs is part of the air brake system. It uses air pressure to move the brake mechanism at the wheel end, turning the driver's brake command into clamping force at the disc brake.
On affected buses, the brake chamber was made with a seal design that does not hold air as intended. Air can leak from the chamber, which leaves the brake partly applied or slow to release. That can cause dragging brakes, extra brake wear, smoke, and heat at the wheel end.
There is no warning sign before failure. The issue starts inside the brake chamber, so an operator is not given a clear dashboard warning or visible cue before the air leak occurs.
Who's affected?
Spans Lfs and Lfs Artic buses across the 2016-2019 model years, with the same brake system component listed for each.
| 2017 Nova Bus Lfs Artic | brake system |
|---|---|
| 2017 Nova Bus Lfs | brake system |
| 2018 Nova Bus Lfs | brake system |
| 2018 Nova Bus Lfs Artic | brake system |
| 2019 Nova Bus Lfs | brake system |
| 2019 Nova Bus Lfs Artic | brake system |
| 2016 Nova Bus Lfs Artic | brake system |
| 2016 Nova Bus Lfs | brake system |
| Units affected | 534 |
| Field incidents | NHTSA has logged 8 field incidents to date. |
The year and model narrow the scope, but the VIN decides. Check your VIN to confirm whether your specific bus is included.
What's the safety risk?
A brake chamber air leak can make the brakes engage without command. That unexpected braking can overheat the brakes, increase fire risk, and increase crash risk. There is no warning sign before it happens, so schedule the recall repair soon. Repair is free at any franchised Nova Bus dealer.
What should I do?
- Check your VIN to confirm your 2016-2019 Nova Bus Lfs Artic or Lfs bus is included in this recall.
- Contact a franchised Nova Bus dealer to schedule the free rear-axle brake chamber inspection and replacement that fixes the air leak and unexpected brake engagement.
- Bring the recall notice if Nova Bus mailed one, and reference recall number 24V558 when you call.
- Stop operating the bus and call Nova Bus if the brakes engage unexpectedly, an air leak is heard, or brake heat is present before the repair.
What happens at the repair
At the dealer, a Nova Bus technician inspects the rear axle brake chamber and replaces it if needed. Parts and labor are covered under the recall. If you already paid for a related brake chamber repair before the owner notice, Nova Bus's standard reimbursement plan covers documented expenses. Bring receipts or repair paperwork to the service desk, or contact Nova Bus customer service for the claim process.
| Reimbursement | Reimbursement available |
|---|
Timeline
| July 25, 2024 | NHTSA published the recall |
|---|---|
| August 1, 2024 | Dealer notification began |
| August 1, 2024 | Dealer notification ended |
| September 22, 2024 | VIN-searchable in NHTSA's database — Check your VIN to see whether this recall applies to your specific vehicle. |
| September 22, 2024 | Interim owner notification (was planned for this date) |
| November 2, 2024 | Owner notification mailed |
Frequently asked questions
What is recall 24V558?
Recall 24V558 covers 534 2016-2019 Nova Bus Lfs Artic and Lfs buses with rear-axle brake chambers that were improperly manufactured. A brake chamber air leak can cause unexpected brake engagement, brake overheating, fire risk, and crash risk. Nova Bus will inspect and replace the brake chamber for free.
What should I do if my 2016-2019 Nova Bus Lfs Artic or Lfs is on this recall?
Check your VIN to confirm your specific bus is included in recall 24V558. If it is, contact a franchised Nova Bus dealer or service center to schedule the brake chamber inspection. Reference recall number CR5619 or NHTSA campaign 24V558 when you call.
Is the recall repair free?
Yes. Federal recall law requires the manufacturer to repair the defect at no cost. Nova Bus will inspect the rear brake chamber and replace it if needed, free of charge, through a franchised Nova Bus dealer or service center.
What is the safety risk in recall 24V558?
The risk is unexpected brake engagement from a rear brake chamber air leak. Per NHTSA campaign 24V558, that condition can overheat the brakes and increase fire risk. Unexpected braking also increases crash risk, especially for a bus in service.
When were owners notified about recall 24V558?
Nova Bus mailed owner notification letters on November 02, 2024. The recall repair is available now. Fleet operators and owners can also contact Nova Bus customer service at 1-800-350-6682 and reference recall number CR5619.
More information
| NHTSA campaign page | nhtsa.gov/vehicle-recalls/24V558000 |
|---|---|
| Nova Bus customer service | 1-800-350-6682 |
| NHTSA recall # | 24V558 |
| NHTSA recall # (full) | 24V558000 |
Source documents
-
Download Quarterly Report (PDF) - Download Recall Document (PDF) (PDF)
- Download Recall Report (PDF)
- Download Recall Investigation Document (PDF) (PDF)
- Download Owner Notification Letter (PDF)
- Download Recall Document (PDF) (PDF)
- Download Recall Acknowledgement (PDF)
This article is generated from NHTSA's primary recall filings and reviewed against the source on May 20, 2026. RecallNotify does not paraphrase NHTSA's consequence language; that text is reproduced as written above. Editorial standards →