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Power Strokes
7.3 Tech
Head gasket vs injector cup? coolant leak
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[QUOTE="CTFFEMT, post: 1278168, member: 9572"] Hey looking for help and where to start. Recently installed a water meth system on my truck. Last week I got on the throttle hard for about a three second burst. Nothing out of the ordinary seemed to happen but when I got to my destination, I had a good sized coolant puddle under the truck and on the left side of the motor / engine bay. Got back in the truck and drove home, no loss of power, no DTCs, but when I got home, coolant leak again. Didn't drive it for a couple days. Figured my degas bottle cap failed and got a new one along with refilling some coolant. Drove it again yesterday, fired up no problem, running smooth but then heard a hissing noise whenever I got on the throttle. Again, got to my destination and had a puddle of coolant under the truck and the passenger side engine bay. Now with the hood up and my buddy on the throttle, I am able to see that with RPMs 1500 and above, the coolant level in the degas bottle will rise rapidly to the point where it blows past the cap and out the small hole on the outside of the lip on the degas bottle spraying the passenger side of the engine bay. I am not able to see any diesel in the coolant itself. no coolant on the oil dipstick. I had a short ride home so I fired it up and drove home (slow). This time, white smoke out the tailpipe and slight abnormal idle. I am thinking it has to be either an injector cup or a blown head gasket. I do not think I have a radiator or coolant system blockage as I am not overheating and at idle, the coolant level remains stable. Where do I begin??? drain oil? drain coolant? pull valve covers and look for a bad cup? I do not see any coolant or any fluid leak around the head gasket / where the heads meet the block. Anything else that could cause this besides head gasket or failed injector cup? I do have a coolant filtration system, could that be why I am not seeing diesel? I pulled and rebuilt the motor 2 years ago. I didn't change the injector cups. It does have head studs. I can provide a full list of mods if needed. Thank you [/QUOTE]
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Head gasket vs injector cup? coolant leak
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