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Ok this is gonna be a kinda long post so please be patient. I have a 99psd. I changed the oil last night and noticed quite a bit of oil covering the tranny and oil pan. I have no idea were this could be coming from. A friend told me it could be the high pressure oil pump. Does this make any sense to you guys? He also said that this could explain my hard starting problem in cold weather (<30 F) and lots of white smoke. I have just changed the glow plug relay and fuel filter. I tested the glow plugs a couple of month ago so I really don't think that is the problem.
Please help me out I don't want to just start throwing parts at the truck when I don't know for sure what the problem is.
Let's start with the "I just changed the oil" part of this. First think I would check would be to make sure the pan plug gasket didn't get crushed or deformed.
If the high pressure oil pump was leaking the oil would run down the back of the pan and on the tranny........ You would also have oil in the engine valley
Mine was leaking and when I had it up on the rack while I had my Maganflow exhuast put on, I was talking with my mach. and he said most people who change thier own oil on the 7.3s don't tighten the drain plug tight enough!! He tighened it down really tight and the leak went away!!
My high pressure line on top of engine was leaking and running down back side of the eng. You better get it fixed or it will blow about 3 quarts under hood and on front windshield..I know all to well
how did you test the glow pulgs? I have an oil leak on my truck but i think its the back side of the drivers side valve cover. Have a shop, dealer, (or do it your self) add some dye to the oil and find out exactly where the oil is comming from.
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