Walt1967 Posted March 24, 2015 Share Posted March 24, 2015 Hi guys,friend has a 99kw t800 with 475 cat,problem is the air from air compressor gets hot and melts line to air dryer and won t shut off. also it blow gaskets on fuel filter.anyone had this problem before? Truck has 600000 plus miles on engine. Quote Link to comment Share on other sites More sharing options...
j hancock Posted March 24, 2015 Share Posted March 24, 2015 Maybe the water coolant line is plugged and letting the compressor get too hot? Quote JimIt doesn't cost anything to pay attention. Link to comment Share on other sites More sharing options...
gearhead204 Posted March 24, 2015 Share Posted March 24, 2015 does the comp.cycle on and off, or run nonstop if it runs non stop. you have either unloader issues or air leaks that need attention it could also be a failed check valve that allows the comp. to over work Quote Link to comment Share on other sites More sharing options...
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