Recall 15V343 covers 3,200 2007-2016 Freightliner 114SD, M2, LT8500, and Saf-T-Liner Hdx trucks and buses for oil-contact fire risk. Repair is free at any franchised Freightliner dealer.
Freightliner is recalling 3,200 2007-2016 114SD, M2, LT8500, and Saf-T-Liner Hdx vehicles with Cummins Westport ISL G engines. Excess crankcase pressure can detach the vent tube elbow, letting engine oil reach hot surfaces and increasing fire risk; the dealer repair will be free once Freightliner makes it available.
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What's wrong?
The crankcase ventilation breather on these 2007-2016 114SD, M2, LT8500, and Saf-T-Liner Hdx vehicles helps manage pressure inside the engine. On trucks and buses equipped with the Cummins Westport ISL G engine, a vent tube assembly routes crankcase vapors away from the engine instead of letting pressure build where oil is moving.
The problem is at the 90-degree elbow in that vent tube assembly. Excessive crankcase pressure can push the elbow off the crankcase ventilation breather. Once it detaches, engine oil can escape the intended path and reach hot engine surfaces.
An owner or driver is not given a listed early symptom in the recall filing. There is no warning sign before failure. If the vehicle is included, the safer assumption is that the vent tube elbow needs the recall inspection and repair before continued service.
Who's affected?
Spans 114SD, M2, LT8500, and Saf-T-Liner Hdx vehicles across 10 model years, all tied to the engine component.
| 2009 Freightliner 114SD | Engine |
|---|---|
| 2011 Freightliner M2 | Engine |
| 2009 Freightliner M2 | Engine |
| 2010 Freightliner M2 | Engine |
| 2008 Freightliner M2 | Engine |
| 2007 Freightliner M2 | Engine |
| 2012 Freightliner M2 | Engine |
| 2013 Freightliner M2 | Engine |
| 2008 Sterling LT8500 | Engine |
| 2009 Sterling LT8500 | Engine |
| 2015 Freightliner M2 | Engine |
| 2008 Freightliner 114SD | Engine |
| 2011 Freightliner 114SD | Engine |
| 2012 Freightliner 114SD | Engine |
| 2013 Freightliner 114SD | Engine |
| 2014 Freightliner 114SD | Engine |
| 2015 Freightliner 114SD | Engine |
| 2016 Freightliner 114SD | Engine |
| 2012 Thomas Built Buses Saf-T-Liner Hdx | Engine |
| 2010 Freightliner 114SD | Engine |
| 2007 Freightliner 114SD | Engine |
| 2015 Thomas Built Buses Saf-T-Liner Hdx | Engine |
| 2014 Thomas Built Buses Saf-T-Liner Hdx | Engine |
| 2013 Thomas Built Buses Saf-T-Liner Hdx | Engine |
| 2011 Thomas Built Buses Saf-T-Liner Hdx | Engine |
| 2016 Freightliner M2 | Engine |
| 2014 Freightliner M2 | Engine |
| Units affected | 3,200 |
The year and model narrow the scope, but the VIN decides. Check your VIN to confirm whether your specific vehicle is included.
What's the safety risk?
Engine oil on a hot surface raises fire risk. Drive cautiously, avoid ignoring oil-related concerns, and schedule the recall repair soon. Repair will be free at any franchised Freightliner dealer once available.
What should I do?
- Check your VIN to confirm your 2007-2016 Freightliner 114SD, M2, LT8500, or Saf-T-Liner Hdx is included in this recall.
- Check your mail for the Freightliner owner notice that was mailed on June 12, 2015.
- Contact a franchised Freightliner dealer and ask whether recall number 15V343 is open for your VIN.
- Schedule the free vent-tube elbow securing and ECM software update that limits crankcase pressure and helps prevent oil from reaching hot engine surfaces.
- Avoid operating the truck or bus if you smell oil, see oil near the engine, or notice smoke. Ask the dealer whether towing or mobile guidance is available.
What happens at the repair
At the dealer, a Freightliner technician secures the ends of the 90-degree elbow on the crankcase ventilation vent tube assembly. The technician also reprograms the electronic control module with software that adjusts engine output under misfire conditions to limit crankcase pressure. The dealer repair will be free once available. DTNA has a general reimbursement plan on file, so owners who already paid for this related repair should bring documentation and ask the service desk how to submit it.
| Reimbursement | Reimbursement available |
|---|
Timeline
| June 3, 2015 | NHTSA published the recall |
|---|---|
| June 12, 2015 | Owner notification mailed |
| July 27, 2015 | Dealer notification began |
| July 27, 2015 | Dealer notification ended |
| July 27, 2015 | Interim owner notification (was planned for this date) |
Frequently asked questions
What is recall 15V343?
Recall 15V343 covers 3,200 2007-2016 Freightliner 114SD, M2, LT8500, and Saf-T-Liner Hdx vehicles with certain Cummins Westport ISL G engines. Excess crankcase pressure can detach the 90-degree vent tube elbow, letting engine oil contact hot surfaces and increasing fire risk.
What should I do if my 2007-2016 Freightliner 114SD, M2, LT8500, or Saf-T-Liner Hdx is on this recall?
Check your VIN to confirm your specific vehicle is included in recall 15V343. If it is, contact a franchised Freightliner dealer to schedule the vent tube elbow securing work and ECM software reprogramming. Reference recall number 15V343 when you call.
Is the recall repair free?
Yes. Federal recall law requires the manufacturer to repair the defect at no cost, and the recall remedy says dealers will perform these repairs free of charge. The repair includes securing the 90-degree elbow ends and reprogramming the ECM software.
What is the safety risk?
The safety risk is fire. If excess engine crankcase pressure detaches the 90-degree vent tube elbow, engine oil can reach hot surfaces. Freightliner's remedy secures the elbow ends and updates the ECM software to limit crankcase pressure under misfire conditions.
What if I bought this Freightliner vehicle used?
The free recall repair still applies. Recalls follow the VIN, not the original owner. Check your VIN to confirm whether your specific 114SD, M2, LT8500, or Saf-T-Liner Hdx is included, then call a franchised Freightliner dealer with recall number 15V343.
More information
| NHTSA campaign page | nhtsa.gov/vehicle-recalls/15V343000 |
|---|---|
| Freightliner customer service | 1-800-745-8000 |
| NHTSA recall # | 15V343 |
| NHTSA recall # (full) | 15V343000 |
Source documents
-
Download Recall Document (PDF) (PDF) - Download Owner Notification Letter (PDF)
- Download Recall 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 →