Did you get this problem solved? I have a 2002 df70 And it’s doing the same thing
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I have changed the impeller and thermostat but still running hot. The old impeller had disintegrated into quite a few small piece. Im wondering if some of them could have gotten up into the passageways and might be causing a blockage? Motor runs good at 4200 rpm’s for about 15 minutes then shuts...
