Vent tube may detach from engine breather
Defect Summary
Motor coach industries (mci) is recalling certain model year 2011-2012 d4000 motorcoaches manufactured november 12, 2011, to july 11, 2012, and 2014-2015 d4500 motorcoaches manufactured july 4, 2014, to april 30, 2015. excessive engine crankcase pressures may cause the 90-degree elbow of the vent tube assembly to detach from the crankcase ventilation breather, possibly allowing engine oil to come into contact with hot surfaces.
Safety Consequence
If the engine oil comes into contact with a hot surface, it can increase the risk of a vehicle fire.
Corrective Action
Mci will notify owners, and cummins service centers will administer the repairs which include securing the ends of the 90-degree elbow and reprogramming the electronic control module (ecm) with software that can adjust the engine output under misfire conditions to limit crankcase pressures. these repairs will be performed free of charge. the recall began on june 18, 2015. owners may contact mci customer service at 1-800-241-2947 or cummins inc. At 1-800-343-7357. mci's number for this recall is sb 423.
Similar Recalls
Other recalls from Motor Coach Industries, Inc or involving Engine And Engine Cooling.
FAQ: Recall 15V276000
Your rights, the repair process, and what each field on this page means.
What is recall 15V276000?
NHTSA recall 15V276000 was issued by Motor Coach Industries, Inc on May 12, 2015. It addresses: Vent tube may detach from engine breather. The recall affects approximately 243 vehicles, with the defect involving the Engine And Engine Cooling component.
How do I get this recall repaired?
Contact any authorized Motor Coach Industries, Inc dealer and reference NHTSA recall ID 15V276000 or the manufacturer campaign number SB 423. Under federal law, the repair is completely free regardless of vehicle age or owner history.
Is my vehicle included in this recall?
The only way to confirm is to look up your 17-character VIN at nhtsa.gov/recalls. NHTSA's tool will tell you if VIN-by-VIN this exact recall applies.
How long do I have to get a recall repair done?
There is no expiration on most federal safety recalls. Even if your vehicle is years old and you bought it used, the manufacturer is required to perform the repair at no cost.
Where does the data on this page come from?
All information on this page is sourced directly from the U.S. Department of Transportation public dataset for NHTSA recalls. Last refreshed: 2026-05-22. For the most current official notice, visit nhtsa.gov/recalls.