Oil leak
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Lead Driver
Joined: Sep 2010
Posts: 7,005
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Oil leak
Finally took the time to climb under the hood and wipe everything down, looks like the oil leak is coming out the bottom of the turbo,,,
See where the oil line is under the bottom of the Turbo... any one know where that is/could be coming from?
See where the oil line is under the bottom of the Turbo... any one know where that is/could be coming from?
Hotshot
Joined: Feb 2009
Posts: 10,408
Likes: 75
From: Plankinton, SD
If its the ebpv rod, you can remove it and plug it, easy, or you can get a rebuild kit if you still use/want it. If its the pedestal orings, turbo has to come off. That's not real bad, but one bolt really sucks that is under that housing the ebpv rod goes into. Neither one are expensive if you do it yourself.
Hotshot
Joined: Feb 2009
Posts: 10,408
Likes: 75
From: Plankinton, SD
That is the exhaust back pressue valve. It closes the exhaust in the cold to help in warmup. Lots of us have it unplugged or completely removed. On the turbo pedestal, backside, there is a round cylindrical(that word can't be right) looking thing that has a rod coming out of it towards the pass. side. That is the ebpv rod. If there is oil coming out of where the rod is, that could be your only leak. Look at that first. If its dry, its the pedestal orings. They could both be leaking, you never know.
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Lead Driver
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Hotshot
Joined: Feb 2009
Posts: 10,408
Likes: 75
From: Plankinton, SD
That silver/gray part in your picture with the oil on it has that ebpv housing on it on the back. That's the pedestal, and has orings right above where that oil is too.
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Lead Driver
Joined: Sep 2010
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Thanks. ill look into it further tomorrow when i take breaks from the 77 pissing me off lol Im hoping ill be able to fix it myself, but ive never done anything with a Diesel so i have no idea what id be doing, i have a couple buddy's who use to work with Cat and one of them runs his own Garage now, if i cant figure it out ill get them to give me a hand
FOREIGN GURU
Joined: Jul 2006
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From: Celaya, Gto. MX
All of them has to be changed.
Fleet Owner
Joined: Aug 2004
Posts: 20,419
Likes: 197
From: AZ
Yes, the pedestal and turbo come out, then the turbo comes off the pedestal for those two O rings whick are in between the turbo and pedestal. The other two O rings under the pedestal fit in a recessed area of the block of the motor. I think there is a write up on removing the turbo. Its doable but not fun because its very hard to get at the rear drivers side bolt holding the pedestal to the block.