oil leaking, source unknown.
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Elder User
Joined: Oct 2010
Posts: 701
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From: Western PA
oil leaking, source unknown.
Well a mysterious oil leak has oil dripping from the oil pan to tranny area. it only leaks the first few minutes after i shut my truck off after a drive lasting atleast 10 min or so. i checked the hpop lines snap fittngs where an oring had let go before causing similar symptoms. the top of the motor and turbo all look dry minus the valley where a small ammount always seems to build up. anyone have any ideas, rear main is hopefully not the problem :/
Logistics Pro
Joined: May 2011
Posts: 4,832
Likes: 668
From: Maine
Oil in the valley means you have a leak, the drain hole is in the back of the engine and it drains down the back between the engine/tranny. It looks like a rear main, but that is extremely rare on these engines.
Check out the HPOP/fittings if it's in the front, and the turbo pedestal/turbo for leaks. Mine was leaking from the turbo pedestal and the EBPV in the pedestal. Clean it up, locate, and fix. The turbo is not that hard to remove if you can follow directions and are handy with a wrench. Takes .5-1 hour to remove, and about the same back in.
Check out the HPOP/fittings if it's in the front, and the turbo pedestal/turbo for leaks. Mine was leaking from the turbo pedestal and the EBPV in the pedestal. Clean it up, locate, and fix. The turbo is not that hard to remove if you can follow directions and are handy with a wrench. Takes .5-1 hour to remove, and about the same back in.
Laughing Gas
Joined: Aug 2012
Posts: 915
Likes: 3
From: Palatka, FL
My vote is the EBPV actuator in the pedestal also as shown in pictures above. I just deleted my EBPV and put a van pedestal on it to get rid of this leak.
How many miles are on your machine?
Dwayne
How many miles are on your machine?
Dwayne
Posting Guru
Joined: Jul 2008
Posts: 1,302
Likes: 1
From: Morehead, Ky.
Check here also. It may be rare, but it happens. It is a plug on the left front, right beside the HPOP. It is an oil pressure check valve, and has an O'ring on it.
http://i238.photobucket.com/albums/f...h_PB080005.jpg
http://i238.photobucket.com/albums/f...h_PB080005.jpg
Senior User
Joined: Apr 2012
Posts: 110
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From: garland tx
well good bad news found my leak it is the EBPV actuator if you drive the truck for about 30 min.s and then that a light under the turbo pipe and look under the turbo and you can see the oil running down
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Elder User
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From: garland tx
well my vally looked wet but did not feel wet and the pedesta was dry untill i drove it and when i stoped with motor runing i started looking and thats when i found it the oil runs off fast do to the heat from the turbo it hard to see under there but you can
Laughing Gas
Joined: Aug 2012
Posts: 915
Likes: 3
From: Palatka, FL
Oil pan leak require engine removal unless you want to cut cross member and re-weld it back together.
The oil from the EBPV actuator in the pedestal leak will only be in the very back of the valley near the drain(hole at back of valley on passenger side) hole that dumps to the back of the engine between the oil pan and transmission to make it REALLY LOOK like a oil pan leak. 95% chance that it is the EBPV actuator in the pedestal.
I wonder how many people have pulled the engine and re-sealed the oil pan to only realize that the pedestal was leaking at the EBPV actuator after they already pulled the engine
I am sure they will not admit it.
Dwayne
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