Component Description
ENGINE AND ENGINE COOLING:ENGINE
Manufacturer That Filed Defect/noncompliance Report
Mack Trucks, Inc.
Begin Date Of Manufacturing
20100625
End Date Of Manufacturing
20150430
Vehicle, Equipment Or Tire Report
0
Potential Number Of Units Affected
2124
Date Owner Notified By MFR
20150612
Recall Initiator (MFR/OVSC/ODI)
MFR
Mfg
Mack Trucks, Inc.
Report Received Date
20150511
Record Creation Date
20150511
Regulation Part Number
Defect Summary
Mack Trucks, Inc. (Mack) is recalling certain model year 2011-2016 Mack MRU and LEU trucks manufactured June 25, 2010, to April 30, 2015, and 2015-2016 LR6 trucks manufactured from December 18, 2014 through March 6, 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.
Consequence Summary
If engine oil comes into contact with a hot surface, there could be an increased risk of a fire.
Corrective Summary
Cummins will notify owners on behalf of Mack, 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 12, 2015. Owners may contact Mack customer service at 1-800-528-6586 or Cummins Inc. at 1-800-343-7357. Mack's number for this recall is SC0391.
Recall Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Lookup
Body Class
Low Cab Forward Truck Delivery
Vehicle Type
INCOMPLETE VEHICLE
Manufacturer
MACK TRUCKS INC.
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