SOHC - 2.3L & 2.5L Lima Engines Discussions and Topics specific to the Lima 4 cylinder engines

Massive oil leak

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Old Aug 25, 2018
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Willcnr09's Avatar
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Massive oil leak

so I started the truck up for the first time after rebuilding it. Took a second to fire but it started up. About 10 seconds into it running it through about at least a quart of oil if not more on the ground and just about everywhere within 5 feet of it. Oil pan shows no sign of leaking. It all came from the front of the motor, not sure if it came from the crank or the oil pump. I’m thinking it’s the oil pump. But why would it throw out so much oil like that? The oil gauge read normal before it shitted itself
 
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Old Aug 25, 2018
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What year 4cyl engine?

oil pump is inside the engine so..............wouldn't leak on the outside

Front main seal, crank seal, can leak ALOT of oil quickly

Oil filter can leak ALOT of oil
 
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Old Aug 25, 2018
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It is a 2001 2.5l automatic. I ended up pulling the sprocket for the oil pump off and behind it was completely dry, which leads me to believe it’s somewhere around the crank. The guy at the machine shop that I had clean and bore the block installed the crank and the seals.
 
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Old Aug 25, 2018
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I know it’s a bad photo but here is a shot of how much came out after a quick little clean up. All the fluid there is oil that came out.
 
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Old Aug 25, 2018
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My guess is the front seal.
 
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Old Aug 27, 2018
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Out of curiosity, to change the front seal, do I have to remove the engine? I know I’ve got to pull the timing belt and all that good stuff off. Also if I pull the seal with a few quarts of oil in it will oil start draining from where the seal was?
 
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Old Aug 27, 2018
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I'm pretty sure on a 3.0 you can do it without pulling the engine. Not sure on the 4 cyl.
 
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Old Aug 27, 2018
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I’m not at home to look at the book and couldn’t find much online for my truck, but I know I can get access to that area with it in place. I remember some kind of plate that goes on the front of the block by the gear behind the harmonic balancer but I don’t remember if that has to come off to remove the gear. If that’s the case then more than likely it will have to come out.
 
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Old Aug 27, 2018
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on my 3.0 I think I had to take off the crank timing pully
 
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Old Aug 27, 2018
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Can anyone explain the installation of the timing cover gasket? Have a hunch, I’ve looked into it a little bit but didn’t know there was a special way to install it?
 
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