Common Oil Leak Locations
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New User
Joined: Mar 2014
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From: Metro Detroit
Common Oil Leak Locations
Being that I'm still new to the forums, I haven't read everything, but this is something I have been searching all over for and not found. I have an oil leak that "looks like" it could be a rear main seal. However, what i've read is that the 7.3 L diesels very rarely have this problem and its usually something else. So, my questions is, what are the most common oil leaks on the 7.3? I have to do some more digging into mine. it leaks about 1 drop /day. So my question is, is there a thread on this that I"m missing? Please chime in and leave me your .02!
Thanks in advance!
BTW, if it makes a difference, I have a 2000 EX 4x4 w/ 201500 miles
Thanks in advance!
BTW, if it makes a difference, I have a 2000 EX 4x4 w/ 201500 miles
Senior User
Joined: Sep 2013
Posts: 465
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From: Coolidge, AZ
I'd take a look deep into the valley of the motor. One of 2 things you might see, are some oilmost likey from bad o-rings on the turbo/pedistal or fuek from the fuel bowl. I thought i had an oil leak(thursday last week) and it turned out to be a fuel leak that was loosing up some cruded up oil from previous leak i had't had the chance to clean off.
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Joined: Jan 2012
Posts: 2,693
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From: West of Chicago
The most common 7.3 oil leaks are
EBPV actuator
Pedestal O rings
HPOP non-serviceable plug
HPOP oil lines (large lines to heads)
Low pressure Oil pump (LPOP)
more than likely its the EBPV actuator leaking.
They tend to drip slowly and leak down the back of the heads looking like a rear main leak. Clean out the valley really good and go for a drive. When you get back shut it off and take a moirror and a flashlight and start hunting
EBPV actuator
Pedestal O rings
HPOP non-serviceable plug
HPOP oil lines (large lines to heads)
Low pressure Oil pump (LPOP)
more than likely its the EBPV actuator leaking.
They tend to drip slowly and leak down the back of the heads looking like a rear main leak. Clean out the valley really good and go for a drive. When you get back shut it off and take a moirror and a flashlight and start hunting
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Joined: Mar 2014
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From: Metro Detroit
I'll be checking into it this weekend. I've noticed it enough that I won't park it in my garage and driveway, but its not a problem and i wouldn't hesitate to drive it anywhere right now cause the leak is so slow. After reading, I didn't think it was the rear main, so i'll have to check all these suggestions and see what I can find!
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