cool fuel module

  1. GoFastr

    What other maintenance to do while engine is out?

    I have to change the intake water hose coming from the transom and there is no room under or behind my engine while it is in the boat to do this. My fuel pump and cooler assembly also seems to be flopping around under the engine too instead of attached to the port engine mount. I suspect the...
    • GoFastr
    • Thread
    • cool fuel module engine removal under engine maintenance water leak
    • Replies: 6
    • Forum: Sport Boats
  2. B

    Cool fuel 3 class action lawsuit

    http://www.chimicles.com/mercruiser-mercury-marine-cool-fuel-module-defect-lawsuit found this on a other forum I called them and waiting for a call back. also I Called Hardin Marine to ask them if they a fix for the cool fuel issue In the way of a aftermarket setup and he told me he has never...
  3. M

    Mercruiser 5.0 MPI voltage fades to the cool fuel module, seeking advice

    Searay 2005 Sundeck Serial Number OW063935. We have replaced the cool fuel module and the sea water pump, both are now new. When we put a gauge on the fuel rail we have 5 lbs of pressure. If we put a bulb on it and pump up pressure, it will run but slowly goes down and dies. Stumped!! Any...
  4. M

    2005 240 Sundeck, replaced electric fuel valve, still won't stay running

    5.0 Bravo 3R, the boat has an electric fuel valve which has a line from the fuel tank to the cool fuel box with the fuel pump. The valve became too hot to touch and the boat would not start. I just replaced the valve. My understanding is this valve shuts off the fuel in case of a fire and has to...
  5. M

    5.0 MPI Bravo 3 (2005) Mercruiser won't accelerate to full throttle

    I have a 2005 Searay 240 Sundeck with a 5.0 MPI Bravo 3 I/O engine. It has a Cool fuel box. It had been running fine and at full acceleration would top out at approximately 48 to 50 MPH. Suddenly during use it slowed down and now tops out at about 32 MPH. It will not go above that. I...
  6. T

    Water Leak - Gen 3 Cool Fuel

    I noticed a significant water leak at the intake of my Cool Fuel block. I spoke with Mercury and they informed me that they changed the design and I needed to purchase a new Cool Fuel Block and a new hose kit. No other option was available and it is over $500 worth of parts. After further...
    • The-Russ
    • Thread
    • cool fuel leak cool fuel module cool fuel water leak gen 3 cool fuel
    • Replies: 2
    • Forum: General Discussion
  7. L

    Water Leak at Cool Fuel Module

    2006 240 Sundancer, 5.0 MPI Found a leak where the water hose goes into the side of the Cool Fuel Module. It is coming from the upper pipe, between the bracket and the module body. Has anyone had this problem? I was wondering if this is a simple fix or if the entire module has to be...
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