Mack LR6 Recalls & Complaints by Model Year

NHTSA lists 1 safety recall and 0 owner complaints across 2 model years of the Mack LR6 (2015–2016).

Pick your Mack LR6 model year

• 2015
• 2016

All Mack LR6 recalls (1)

Every NHTSA safety campaign that lists a Mack LR6, most recent first, with the model years each one covers.

1. Engine (engine and engine cooling)

   NHTSA 15V275000 Reported May 11, 2015 2,124 vehicles potentially affected Mack Trucks, Inc.

   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…

   Remedy: 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…

   Model years: 2015, 2016

Other Mack models

• Mack28 complaints
• Anthem (an)12 complaints
• Granite (gr)9 complaints
• CXU6127 complaints
• Ch6 complaints
• Gu6 complaints
• CH6005 complaints
• Cxu5 complaints

Source: NHTSA recall and complaint databases and EPA fuel economy data, October 2026. Complaint counts are owner reports to NHTSA, not verified defects. Recall counts are safety campaigns that list this model year; whether a particular car was already repaired depends on its VIN. How this data is compiled.