wmtesta Posted June 28, 2012 Share Posted June 28, 2012 (edited) I am having a problem with the fan clutch on mack's MP8 engine first fan clutch went at around 30,000 miles another one lasted a week replaced with the current one that lasted 4 months the truck has 175,000 miles what can be the issue with these fan clutches breaking is it just bad material or some other problem. Edited July 7, 2012 by wmtesta Quote Link to comment https://www.bigmacktrucks.com/topic/25909-2009-mack-gu713-fan-clutch-problems/ Share on other sites More sharing options...
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