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Black sludge in coolant reservoir
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Question
nbone28
2015 Pinnacle CXU613 with the MP8, I’m getting this black like sludge built up in the coolant reservoir, drained the coolant, put a new coolant filter in, & installed a new reservoir. Go to crank it up and the same build up is already happening in the reservoir. Suggestions on what it could be, what to look for/where to look. Thanks.
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