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  1. #1

    Default Volvo 5.7 Penta Exhuast Manifold Rear Drain Reduction Sleeve & Plug

    Purchased my boat last year and the previous owner walked me through his winterization process. He said to remove the reduction sleeve off the back end of the manifold to allow for drainage. In doing that, the brass head of the bolt has rounded a bit because it's a pain to get in there with the wrench. Can these be replaced with stainless so they aren't so soft? Is there an easier way to remove/install them?

  2. #2
    Join Date
    Jun 2006
    Location
    Spotswood, NJ, USA
    Posts
    5,131

    Default Re: Volvo 5.7 Penta Exhuast Manifold Rear Drain Reduction Sleeve & Plug

    stay with brass , a good hardware store or marine store for brass plugs

  3. #3
    Join Date
    Mar 2009
    Location
    Portland, Oregon,
    Posts
    12,001

    Default Re: Volvo 5.7 Penta Exhuast Manifold Rear Drain Reduction Sleeve & Plug

    ....... and use a six point wrench!
    Rick ... aka Ricardo..... AQ series Volvo Penta repair
    Portland, Oregon
    28' SDN F/B w/ twin Volvo Penta 5.7L DP drives

    "Intellectual growth should commence at birth and cease only at death." Albert Einstein

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

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