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  1. M

    Volvo Penta AQ131D getting hot

    So install the clear hose after the fresh water pump and before the heat exchanger?
  2. M

    Volvo Penta AQ131D getting hot

    When I did a search on this issue I found a post where a guy says most over heating issues on these Volvo 125, 131 engines is because the exhaust manifold is corroded. Is that a big concern for a fresh water boat?
  3. M

    Volvo Penta AQ131D getting hot

    As far as the dieseling I have usually seen this happen because of the engine temperature being too high. So I figured if I solved the high temperature it should solve the diesel problem.
  4. M

    Volvo Penta AQ131D getting hot

    Yes that picture was taken before I pulled it out. I thought some vanes looked backwards and I wondered if that could affect the cooling. When I reinstalled the impeller I rotated it so all the vanes are going the correct direction. Do you guys think a few vanes in the wrong direction would...
  5. M

    Volvo Penta AQ131D getting hot

    I didn’t check it with IR or mechanical gauge but it smells hot. I will check the hoses you suggested.
  6. M

    Volvo Penta AQ131D getting hot

    Hello all, I just bought a really nice old boat, an 18 foot open bow Imperial with a AQ131D engine. I know the old Imperials don't get much love but I had a 21 foot with a Merc for years and loved it. Never left me stranded in the middle of the lake. I live in Michigan and the boat has only...
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