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  1. #1

    Default Volvo Penta AQ431A with a 290 DP drive

    Does anyone know why there is a water drain hole on the bottom of the lower unit. What purpose does it serve and can you safely plug it up?

  2. #2
    Join Date
    Dec 2006
    Location
    Chaumont Bay, N.y., USA
    Posts
    5,145

    Default Re: Volvo Penta AQ431A with a 290 DP drive

    Ayuh,.... What drain hole where,..??

    Got a picture,..??
    Any Grease is Better,... Than No grease at All....

  3. #3
    Join Date
    Dec 2015
    Location
    maplevalley WA
    Posts
    3,470

    Default Re: Volvo Penta AQ431A with a 290 DP drive

    If you are talking about the hole from the water intake that points straight down you can plug it when you put the muffs on just put some tape over it. when in the water it just sucks water anyways no need to plug it.

  4. #4
    Join Date
    Mar 2009
    Location
    Portland, Oregon,
    Posts
    9,091

    Default Re: Volvo Penta AQ431A with a 290 DP drive

    Post this in the Volvo Penta forum
    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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