Titanbuilder Posted July 16, 2019 Share Posted July 16, 2019 I have a 2006 CHN and the front hub caps have no plug or window to check oil/grease level. They are made like a fruehauf trailer hub cap with threads an screw in, looking for something to replace them a window/plug. Also does anyone know the size socket to remove the caps looks to be 4 1/2 or so,thanks. Quote Link to comment Share on other sites More sharing options...
Mack Technician Posted August 9, 2019 Share Posted August 9, 2019 Unitized hub........what did you do to it????? Quote Link to comment Share on other sites More sharing options...
Titanbuilder Posted February 20, 2020 Author Share Posted February 20, 2020 Nothing,just had a little play. 724k should they just be replaced at 1mil miles? Quote Link to comment Share on other sites More sharing options...
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