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Old 08-16-2014, 09:26 AM   #5
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Join Date: Apr 2009
Posts: 1,912
Thanks Ski, currently the sensor is at the 3 o'clock position. I'll rotate it lower on the hose. I did notice when taking temp readings during the O/H the temp just before the sensor was 170+ and just after the sensor it dropped to 125.

Psneeld; will consider that if the issue continues and all other possibilities are illuminated.

Chris, I had thought of that. The impeller and pump are Tony's Anthens units and have 180 hrs on them. They should be OK, but if the issue continues and I verify the inlet hole is clear, that will be the next step. My guess is though SKI is right since the temps went way down when I increased rpm. Broken impeller and the problem should have gotten worse.
And during this episode the coolant temp never changed, 185 degrees.
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Carver 355 ACMY Twin Cummins Diesels Sold
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