Gregball Posted August 14, 2017 Share Posted August 14, 2017 Any suggestions as to why my r model mack e7 300hp would run hot at hwy speed and normal in the city? I changed t-stat and flushed radiator. New viscous fan clutch also. Any help would be appreciated. Thanks. Quote Link to comment https://www.bigmacktrucks.com/topic/50770-1995-r-model-runs-hot/ Share on other sites More sharing options...
0 Mps Posted September 7, 2017 Share Posted September 7, 2017 I had one doing the same thing it was turbo no fins left. Not gettin proper boost choking it out. Quote Link to comment https://www.bigmacktrucks.com/topic/50770-1995-r-model-runs-hot/#findComment-379136 Share on other sites More sharing options...
0 Mack Technician Posted September 24, 2017 Share Posted September 24, 2017 Had similar issue on DMM. Plugged radiator cores. So bad couldn't rod it out, had to install a new core. Water traveled through, but only on 25% of cores. Actual internal plug was exact shape of fan footprint. Quote Link to comment https://www.bigmacktrucks.com/topic/50770-1995-r-model-runs-hot/#findComment-380523 Share on other sites More sharing options...
0 Mack Technician Posted September 24, 2017 Share Posted September 24, 2017 List your solution when you find it. Helps the base. Quote Link to comment https://www.bigmacktrucks.com/topic/50770-1995-r-model-runs-hot/#findComment-380524 Share on other sites More sharing options...
Question
Gregball
Any suggestions as to why my r model mack e7 300hp would run hot at hwy speed and normal in the city? I changed t-stat and flushed radiator. New viscous fan clutch also.
Any help would be appreciated. Thanks.
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https://www.bigmacktrucks.com/topic/50770-1995-r-model-runs-hot/Share on other sites
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