Bigh361 Posted August 15, 2014 Share Posted August 15, 2014 Hey guys i have a problem with my transmission it drives fine when you first take off and about 20 miles down it starts making a noise like a slip or something loose and when you pull over to a complete stop and start again it goes away and another 20 or 30 miles it does it again need help really bad dont know what is wrong Quote Link to comment https://www.bigmacktrucks.com/topic/36707-transmission-making-noise/ Share on other sites More sharing options...
br549 Posted August 15, 2014 Share Posted August 15, 2014 Does it have a mack t200 or t300 mack transmission in it? If so it could be the sync assy or an air problem to the sync valve or cylinder o rings. It also could be the power divider slipping if it has mack rear ends in it. Have you put any new tires on it, if so is it when the problem started? Tires on mack rear ends have to be match up real close I have seen people put 4 new tires on one axle and leave worn out tires on the other axle and it will go down the road and make a big pop & you think the transmission is coming out. 1 Quote Link to comment https://www.bigmacktrucks.com/topic/36707-transmission-making-noise/#findComment-256129 Share on other sites More sharing options...
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