MCI 2015 MCI D4500 Recall
Check Your Product
According to the National Highway Traffic Safety Administration (NHTSA)
Product
2015 MCI D4500
Brand
MCI
Lot Codes / Batch Numbers
Not specified in NHTSA notice. Check official source for details.
Products Sold
Model Year 2015
Motor Coach Industries is recalling certain 2015 MCI D4500 vehicles due to engine and engine cooling:engine issues. If the engine oil comes into contact with a hot surface, it can increase the risk of a vehicle fire..
Summary derived from NHTSA notice
Reason for Recall
As stated by NHTSA
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.
Reported concern (NHTSA)
If the engine oil comes into contact with a hot surface, it can increase the risk of a vehicle fire.
Recommended Action
Per NHTSA guidance
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.
Verify this information on the official source
For complete details and official instructions, check the National Highway Traffic Safety Administration (NHTSA) directly.
View official NHTSA recall noticePage updated: Jan 10, 2026