Summary: Navistar is recalling certain model year 2013 International 8600, 2012 and 2013 Durastar, 2011-2013 ProStar, and 2012 WorkStar trucks, manufactured from November 23, 2010, through April 02, 2012, and equipped with piston spring brake feature code 04EVP. The piston bore area of the parking brake chamber may have an air leak could result in the parking brake not fully releasing.
Consequence: If the parking brake does not fully release, the service brakes may lock up without warning, increasing the risk of a crash.
Remedy: Navistar will notify owners, and dealers will replace the spring brake chamber free of charge. The safety recall is expected to begin on, or before, November 12, 2012. Owners may contact Navistar at 1-331-332-1590.