Recall 15V296 covers 1,809 2007-2015 Nabi Clfw, Lfw, and Brt transit buses for engine-oil fire risk. Repair is free at any franchised Nabi dealer.
Nabi is recalling 1,809 2007-2015 Clfw, Lfw, and Brt transit buses because excessive engine crankcase pressure can detach the 90-degree elbow in the vent tube assembly. If engine oil reaches a hot surface, fire risk increases, and Nabi dealers will complete the recall repair free of charge.
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What's wrong?
The Cummins CNG engine in the affected 2007-2015 Nabi Clfw, Lfw, and Brt transit buses uses a crankcase ventilation breather to move pressure and oil vapor out of the crankcase. The vent tube assembly connects to that breather through a 90-degree elbow, so the engine can route those vapors instead of trapping pressure inside the crankcase.
On affected buses, excessive crankcase pressure can force that elbow to detach from the breather. Once the elbow separates, engine oil can escape from the ventilation path and reach hot engine surfaces. Buses with clamps on the vent tube have the corrected setup, because the clamp keeps the connection secured.
There is no warning sign before failure. An operator is not given a clear dashboard alert or drivability symptom tied to the elbow separating, so the issue is handled by checking whether the bus is included and whether the vent tube clamp remedy is present.
Who's affected?
Spans the Clfw, Lfw, and Brt bus models across 2007-2015 model years, all tied to the engine component.
| 2007 Nabi Clfw | Engine |
|---|---|
| 2014 Nabi Lfw | Engine |
| 2007 Nabi Lfw | Engine |
| 2013 Nabi Clfw | Engine |
| 2012 Nabi Clfw | Engine |
| 2011 Nabi Clfw | Engine |
| 2008 Nabi Clfw | Engine |
| 2012 Nabi Lfw | Engine |
| 2009 Nabi Lfw | Engine |
| 2008 Nabi Brt | Engine |
| 2010 Nabi Brt | Engine |
| 2011 Nabi Brt | Engine |
| 2009 Nabi Brt | Engine |
| 2007 Nabi Brt | Engine |
| 2010 Nabi Clfw | Engine |
| 2009 Nabi Clfw | Engine |
| 2015 Nabi Lfw | Engine |
| 2013 Nabi Lfw | Engine |
| 2011 Nabi Lfw | Engine |
| 2010 Nabi Lfw | Engine |
| 2008 Nabi Lfw | Engine |
| 2015 Nabi Brt | Engine |
| 2014 Nabi Brt | Engine |
| 2013 Nabi Brt | Engine |
| 2012 Nabi Brt | Engine |
| Units affected | 1,809 |
| Field incidents | NHTSA has logged no 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?
Engine oil that reaches a hot surface increases the risk of a fire. Schedule the recall repair soon, and treat oil smell, visible oil, or smoke as a reason to stop the vehicle and call service before driving again. Repair is free at any franchised Nabi dealer.
What should I do?
- Check your VIN to confirm your 2007-2015 Nabi Clfw, Lfw, or Brt transit bus is included in this recall.
- Contact a franchised Nabi dealer to schedule the free 90-degree vent-elbow securing and ECM software update that limit crankcase pressure and help keep engine oil off hot surfaces.
- Reference recall number 15V296 and Nabi recall 20152 when you call.
- Bring the owner notice if you have it.
- Keep the bus out of service if you see engine oil near hot surfaces, and ask the dealer how to move it safely.
What happens at the repair
At the dealer, a Nabi technician secures the ends of the 90-degree elbow in the crankcase vent tube assembly so it stays attached to the crankcase ventilation breather. The technician also reprograms the electronic control module, or ECM, with software that adjusts engine output during misfire conditions to limit crankcase pressure. These recall repairs are free of charge, with parts and labor covered under campaign 15V296.
Timeline
| May 19, 2015 | NHTSA published the recall |
|---|---|
| June 12, 2015 | Owner notification mailed |
| June 16, 2015 | VIN-searchable in NHTSA's database — Check your VIN to see whether this recall applies to your specific vehicle. |
| June 16, 2015 | Interim owner notification (was planned for this date) |
Frequently asked questions
What is recall 15V296?
Recall 15V296 covers 1,809 2007-2015 Nabi Clfw, Lfw, and Brt transit buses. Excessive engine crankcase pressure can detach the 90-degree elbow from the crankcase ventilation breather, allowing engine oil to contact hot surfaces. Dealers secure the elbow ends and reprogram the ECM for free.
What should I do if my 2007-2015 Nabi Clfw, Lfw, or Brt is on this recall?
Check your VIN to confirm your specific bus is included in recall 15V296. If it is, contact a franchised Nabi dealer or Nabi customer service at 1-256-241-1298 to arrange the repair. Reference recall number 15V296 when you call.
Is the recall repair free?
Yes. Federal recall law requires manufacturers to repair safety defects at no cost, and Nabi says the elbow securing work and ECM software reprogramming are free. Use a franchised Nabi dealer or authorized service path for the recall repair.
What is the safety risk?
The safety risk is fire. If the vent tube elbow detaches, engine oil can reach hot engine surfaces and increase the risk of a fire. Confirm the VIN, then schedule the free dealer repair so the elbow is secured and the ECM software is updated.
More information
| NHTSA campaign page | nhtsa.gov/vehicle-recalls/15V296000 |
|---|---|
| Nabi customer service | 1-256-241-1298 |
| NHTSA recall # | 15V296 |
| NHTSA recall # (full) | 15V296000 |
Source documents
-
Download Owner Notification Letter (PDF) - Download Recall Report (PDF)
- Download Quarterly Report (PDF)
- Download Recall Acknowledgement (PDF)
This article is generated from NHTSA's primary recall filings and reviewed against the source on June 1, 2026. RecallNotify does not paraphrase NHTSA's consequence language; that text is reproduced as written above. Editorial standards →