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  1. #1

    Default aq145a volvo penta

    Hi ,can anybody give me some info on this.I have coolant coming out of my oil cooler after switching the motor off and I allways drain the oil cooler after using boat and noticed green coolant under the engine.I looking for anyone that can tell me what the coolent is coming out of the oil cooler.Im suspecting the heat exchanger may be leaking.any help please.thanks Stan

  2. #2
    Join Date
    Dec 2015
    Location
    maplevalley WA
    Posts
    4,942

    Default Re: aq145a volvo penta

    There should be no coolant in the oil cooler period it is in the raw water loop. Sounds like the heat exchanger is bad is there coolant in the exhaust manifold when you drain it?
    It takes a nickle to go first class!
    If it aint broke dont fix it!!

  3. #3
    Join Date
    Dec 2015
    Location
    maplevalley WA
    Posts
    4,942

    Default Re: aq145a volvo penta

    Hopefully it is just the radiator hose from the circulating pump to the heat exchanger leaking down on the raw water tube would be my guess?
    It takes a nickle to go first class!
    If it aint broke dont fix it!!

  4. #4
    Join Date
    Dec 2005
    Location
    perth, Western Australia, australia
    Posts
    256

    Default Re: aq145a volvo penta

    Quote Originally Posted by kimcrwbr1 View Post
    There should be no coolant in the oil cooler period it is in the raw water loop. Sounds like the heat exchanger is bad is there coolant in the exhaust manifold when you drain it?
    No.no coolent in manifol.yep i will probally take heat exchanger of to check it out.can the insert be repaired and no you know what the material is made of

  5. #5

    Default Re: aq145a volvo penta

    Quote Originally Posted by kimcrwbr1 View Post
    Hopefully it is just the radiator hose from the circulating pump to the heat exchanger leaking down on the raw water tube would be my guess?
    hi does anybody knowbif the heat exchanger internal can be repaird.thanks,stan

  6. #6
    Join Date
    Mar 2009
    Location
    Portland, Oregon,
    Posts
    10,048

    Default Re: aq145a volvo penta

    Quote Originally Posted by stan9923 View Post
    hi does anybody knowbif the heat exchanger internal can be repaird.thanks,stan

    You will be able to see the AQ145A Heat Exchanger components here.

    https://www.marinepartseurope.com/en...-26-15900.aspx


    Many of these parts are no longer available.
    E-Bay may be your best resource.



    .
    Rick ... aka Ricardo..... AQ series Volvo Penta repair
    Portland, Oregon
    28' SDN F/B w/ twin Volvo Penta 5.7L DP's

    Please... no PMs! Post your questions on the forum.

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