Mercruiser Cool Fuel 3 Paint Flaking Issues 10 12 17 Youtube From 2007 2009, the inside cap of the cool fuel had paint that would flake off and clog the fuel delivery system. while the boat was still in warranty they. 41,557. jun 27, 2017. #2. blackened plugs is a over rich fuel mixture which can not be caused by the pump. the pump can output 60 psi pressure but only happens if something else fails like the fuel pressure regulator or a clog in the return system. other causes of black plugs is the map sensor, clogged flame arrestor, tps or vacuum leak.
Mercruiser Cool Fuel 3 Painted On Inside Of The Upper Cover 10 о 135. cape cod. boat info. 2007 sea ray 290 slx. engines. twin mercruiser mag 350 mpi w bravo iii. so i have a serious issue with the cool fuel module leaking sea water at the inlet to the body. its about to let go and i need to replace the module. a full replacement is $1300 per engine but the body replacement only is $500 per engine only. Hi as the title says i have some questions regarding the mercury gen 3 cool fuel module and the new replacement module. i have found some signs of the dreaded paint pealing when i removed the assembly to look at my fuel filters as well as on the bottom opening of my fuel pressure regulator. i have a 2006 496 mag ho bbc engine with low hours on. This is a boat that was having fuel delivery issues. there was a problem that the inside of these units were painted back in 2007 when this boat was made. it. The early model "gen 3 cool fuel module" that many of us have on our sterndrive searays has major design issues, and not just the issue of corrosion at the raw water coolant lines that frank w posted a while back. a larger issue concerning the fuel itself. it seems that there is a known paint delamination issue with the inside of the module.
New Mercruiser Gen Iii Cool Fuel Module Service Bulletin This is a boat that was having fuel delivery issues. there was a problem that the inside of these units were painted back in 2007 when this boat was made. it. The early model "gen 3 cool fuel module" that many of us have on our sterndrive searays has major design issues, and not just the issue of corrosion at the raw water coolant lines that frank w posted a while back. a larger issue concerning the fuel itself. it seems that there is a known paint delamination issue with the inside of the module. Oct 28, 2012. #10. check the brass bypass plug on the engine side of the module. there is a check ball and a spring inside. when you remove the plug you will see that the spring has cut groves into the plug, when this happens it locks the spring down and the ball cannot move causing excessive pressure. Mercruiser decided for some reason that it was a good idea to use their phantom black paint on the inside of the cool fuel module. any gas with ethanol makes the paint flake off and it all gets into the fuel system, injectors, rails, everything. it was only a problem in the early generation 3 modules, which was 2005, and has since been.
New Mercruiser Gen Iii Cool Fuel Module Service Bulletin Oct 28, 2012. #10. check the brass bypass plug on the engine side of the module. there is a check ball and a spring inside. when you remove the plug you will see that the spring has cut groves into the plug, when this happens it locks the spring down and the ball cannot move causing excessive pressure. Mercruiser decided for some reason that it was a good idea to use their phantom black paint on the inside of the cool fuel module. any gas with ethanol makes the paint flake off and it all gets into the fuel system, injectors, rails, everything. it was only a problem in the early generation 3 modules, which was 2005, and has since been.
Gen 3 Cool Fuel Module Mercruiser Offshoreonly
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