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  1. #1
    Join Date
    Jan 2009
    Posts
    7

    Default Walter V Drive Warning Light Won't Go Out

    I have a 2005 22' Launch with a Walter RV 26D V Drive and the low oil pressure warning light is staying on. I've checked the wiring and it's good. Hoses are good and the unit is filled properly. I pulled the filter, and it was clean, oil was clean and not black. I pulled the pressure switch and ran the engine in gear momentarily, and the unit pumped oil out of the hole, so pump appears to be good. I tested the switch with air pressure and it doesn't switch until 18 psi, is the switch bad? I thought it was supposed to switch at 8 psi?
    Last edited by DDickey; 03-18-2019 at 09:52 PM.

  2. #2
    Join Date
    Jan 2009
    Posts
    7

    Default Problem Solved

    It was indeed the oil pressure switch, it's actually supposed to switch at 2psi. For your reference the Indmar part number for the switch is 903004S, and it's a bit pricy.

  3. #3
    Join Date
    Aug 2009
    Location
    London, Ontario, Canada
    Posts
    1,187

    Default

    Thanks for posting update
    2009 21v Worlds 340 Cat
    run your engine after you change the oil
    Doug

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