Oil leaking badly
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Freshman User
Joined: Mar 2006
Posts: 25
Likes: 0
Oil leaking badly
I just purcashed a 1990 f250 with the 7.3 diesel in it. It has been sitting for a while.When I got it started oil was running out of what looks like a 2 inch pipe that runs from the front of the motor to the oil filter housing.The end that fits into the housing looks to be leaking. What is this and is there a o ring or something that can be replaced?
Fleet Mechanic
Joined: Sep 2005
Posts: 1,509
Likes: 3
From: Ladner, British Columbia
Yes, your oil cooler is leaking.
Also check your radiator and flush your cooling system if you see oil in your coolant.
Also check for coolant in your oil pan. Do an engine oil and filter change as a minimum before running the truck too much or you could do some serious engine damage. (bearing damage)
Sometimes the oil coolers leak out oil, sometimes they also leak oil into the coolant.
Careful with the cooler gaskets, apparently there are several models of coolers used on the 7.3l diesel and I have seen much confusion about guys getting the wrong parts.
Best of luck..
Seb...
Also check your radiator and flush your cooling system if you see oil in your coolant.
Also check for coolant in your oil pan. Do an engine oil and filter change as a minimum before running the truck too much or you could do some serious engine damage. (bearing damage)
Sometimes the oil coolers leak out oil, sometimes they also leak oil into the coolant.
Careful with the cooler gaskets, apparently there are several models of coolers used on the 7.3l diesel and I have seen much confusion about guys getting the wrong parts.
Best of luck..
Seb...
Post Fiend
Joined: Nov 2003
Posts: 21,285
Likes: 15
From: Nutter Fort, WV
One cooler for the F series, One cooler for the E series in the IDI equiped engines.
1C3Z-6K649-BA small outer O ring, need 2
1C3Z-6C610-BA large inner O ring, need 2
E3TZ-6A636-G gasket
E3TZ-6A636-H gasket
You are looking at about 40 dollars for the parts.
1C3Z-6K649-BA small outer O ring, need 2
1C3Z-6C610-BA large inner O ring, need 2
E3TZ-6A636-G gasket
E3TZ-6A636-H gasket
You are looking at about 40 dollars for the parts.
