How bad is this?
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Senior User
Joined: Jan 2007
Posts: 142
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From: Bama!
This morning I checked the fuel drain assembly, it is functioning normally, and I double checked the liquid in the valley. It wasn't watered down diesel, it was watered down oil. The truck is collecting oil in the bottom of the valley, about 1/10 of a quart from the four hours of driving. So now I am thinking I have a slow leak at my HPOP.
Interesting thing was that the fuel reservoir would not drain at all until I loosened the filter housing... rough idle sound like a clogged return line to anyone else?
Would the water in the power steering fluid account for the odd steering behavior?
Interesting thing was that the fuel reservoir would not drain at all until I loosened the filter housing... rough idle sound like a clogged return line to anyone else?
Would the water in the power steering fluid account for the odd steering behavior?
Last edited by iasrap; Jan 30, 2008 at 10:11 AM.
Posting Guru
Joined: Nov 2003
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From: THUNDER BAY
If you wan,t to drive this truck you are going to have to go through everything every electrical connection,everything to do with the fuel system,the oil will have to be changed several times all fluids as well,powersteering, difs,tranny,brakes and after that you will still be chasing problems guaranteed
I wish you luck
I wish you luck
Posting Guru
Joined: Feb 2008
Posts: 1,795
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From: Lubbock, Texas
Got my buddy's truck running that was underwater, but there are some.... issues
There is vapor coming out of my buddy's dip stick when the engine is running.
-I'm thinking blow-by, but I do not want to tell him that until I am sure, since that is a real bummer.
His idle is real rough, and I already unpluged the EBP. Supports blow by theory I guess.
.
There is vapor coming out of my buddy's dip stick when the engine is running.
-I'm thinking blow-by, but I do not want to tell him that until I am sure, since that is a real bummer.
His idle is real rough, and I already unpluged the EBP. Supports blow by theory I guess.
.
What is a "blow-by"?
Post Fiend
Joined: Apr 2004
Posts: 12,835
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From: Silver Lake Dunes, MI
Blow-by is the compression/cylinder pressure that escapes past the piston rings into the crankcase. all engines have some, diesel's have more than gassers due to the higher cylinder pressure. Excess pressures happen when there are damaged or worn pistons, rings, or cylinder walls
Posting Guru
Joined: Feb 2008
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From: Lubbock, Texas
so if I were to have gas escaping from my dip stick when the engine is running....then I probably have a similar blow-by situation too? Is a little gas escaping through the dip-stick normal?
Post Fiend
Joined: Apr 2004
Posts: 12,835
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From: Silver Lake Dunes, MI
you might just be missing the seal that keeps the dip stick all sealed up. If it pushes the dip stick out of the tube you have a problem. Pretty much measuring back pressure requires a special gauge and our trucks have quite a bit anyway don't be worried about it. One good way to check is to remove the fill cap on the valve cover. the vapor should be steady. if it puffs like a steam train then you have one cylinder that has cylinder leakage more than the others.
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Post Fiend
Joined: Oct 2003
Posts: 5,903
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From: MICHIGAN
One way to tell if you have excessive blowby is when you find your dip stick poking up out of it's tube a bit...
If you think you have too much blow by....clean your CCV housing. It's right under the intake hose going to the turbo sitting on top the valve cover. But this usually isn't a problem.
Posting Guru
Joined: Feb 2008
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From: Lubbock, Texas
Thanks guys. After I posted I did some searches through the FTE records and found directions on how to clean the CCV screen and some more information on blow-by.
TJ-I think I am missing the dip-stick seal... I pulled it out this morning and I can see all the way inside of the dip-stick handle.
TJ-I think I am missing the dip-stick seal... I pulled it out this morning and I can see all the way inside of the dip-stick handle.
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