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Manicooler - remove and inspect or not?-gctid340080

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  • Guest's Avatar
    Guest replied
    OK. Thanks.

    Leave a comment:


  • dmcb
    replied
    Bob, if no one has welcomed you to BOC, welcome.

    I suggest you post your question on the Motoryachts section. There are a lot of very knowledgeable people there who know Hinos.

    They may not come to this section however.

    Leave a comment:


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    Guest started a topic Manicooler - remove and inspect or not?-gctid340080

    Manicooler - remove and inspect or not?-gctid340080

    I have a 1994 3288 w/150 Hinos. I have read a lot on the BOC about the manicoolers but am not sure if I need to remove and inspect them or not? Here is some information:

    - 1250 hrs

    - Third owner

    - Boat was in fresh water, boat house kept on Columbia river until 2011

    - Just drained coolant and it came out clear green with no signs of rust, looking into the manicooler from the filler tube things are clean and bright, no signs of build up or corrosion.

    - Recent coolant tests showed Ph of 8.8 port and 8.6 starboard and 1 ppm aluminum for each sample. Ph is a little low but not excessively low (
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