balmainjack Posted October 13, 2012 Share Posted October 13, 2012 just bought1/2009 mack trident 500 hp egr engine just worried about the high oil temp 110 celcius water temp 100 celcius weather was 25 celcius, truck has done 500.000 km drives great and performs great truck ws fully loaded. messaging from australia, Quote Link to comment https://www.bigmacktrucks.com/topic/27790-mp8-500hp-temps/ Share on other sites More sharing options...
Mackpro Posted October 15, 2012 Share Posted October 15, 2012 Oil temps seem to run alttle warm in the MP8's ( compared to the older Mack engines) which is normal. The coolant temp should be around 190(F) with 210 in a hard pull in the summer heat. We replaced alot of water/coolant pumps and fan clutches on these engines. We replaced 2 Cool Logic electronic fan clutches on the same 2012 CHU 505 in 3 months. Water pumps seem to fail around 200 -300 thousand miles. Quote Link to comment https://www.bigmacktrucks.com/topic/27790-mp8-500hp-temps/#findComment-141762 Share on other sites More sharing options...
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