502 Volvo DPX troubles Need Help FAST!!!!!!!!!
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502 Volvo DPX troubles Need Help FAST!!!!!!!!!
I have a 2001 commander party cat with a 502 DPX in it. I had it out on the water today and it started to miss slightly and stutter at approx. 60 mph. I slowed it down to 40 mph and then down to 20 mph when it stalled suddenly. I went to start it again and it will not turn over( sounded like a bad bendex in the starter) Got off the lake and got home, pulled the starter and bench tested it and it seemed fine. Now I am stumped as to what it could be. Any thoughts or ideas would be a great help.
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I pulled the plugs and they were a bit wet but I still cannot spin the motor over( by grabbing the belts) I was thinking of pulling the cooling water pump off of the crank pully to try and rotate it. Thanks for another option btw as everyone else seems to think its a spun bearing. It had good oil pressure and was running cool when it happened.Motr has just over 400 hrs on it which I thought was low but am now starting to wonder.
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With the plugs out spin the engine over a bump at a time and see if water comes out of the plug holes . It sounds hydrauliced to me. Are you sure something did'nt freeze and crack ????? If you boat in fresh water i would'nt think risers would be a concern . Pull your dipstick and oil fill cap to check for water in the oil . If you see a light brown foamy substance that is a pretty good indicator of water where it does not belong . Good luck , i hope it's just something minor like a bad headgasket !!!
Last edited by the deep; 04-08-2012 at 10:59 PM.
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I pulled the plugs and they were a bit wet but I still cannot spin the motor over( by grabbing the belts) I was thinking of pulling the cooling water pump off of the crank pully to try and rotate it. Thanks for another option btw as everyone else seems to think its a spun bearing. It had good oil pressure and was running cool when it happened.Motr has just over 400 hrs on it which I thought was low but am now starting to wonder.
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fixx
remove the oil filter and open it up and look for shavings..if all checkes out good then your bearings in the intermediate housing took a chit..bad design and will go bad in a hurry if you dont at leaste put grease in it every season..
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