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Old March 23rd, 2006, 02:41 PM   #1
Just a Spouse
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Default Ring seal - leaks

Can a 'ring' leak cause oil to leak so that it is low in the oil pan, but not leaking on the ground so you can't easily see that it is leaking? This is on a chevy engine.

Thanks!

Sorry, I'm not very mechanical.
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Old March 23rd, 2006, 02:45 PM   #2
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What specifically makes you think its a issue with the rings? (I assume you mean piston rings).

If you have bad rings, a compression test probably would show this, and I'd expect blowby/pressure in the crankcase.

If you have bad valve seals that are leaking into the chamber, it could cause some oil consumption issues.

Are you seeing blue smoke from the exhaust?
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Old March 23rd, 2006, 03:12 PM   #3
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Quote:
Originally Posted by Haggar
What specifically makes you think its a issue with the rings? (I assume you mean piston rings).

If you have bad rings, a compression test probably would show this, and I'd expect blowby/pressure in the crankcase.

If you have bad valve seals that are leaking into the chamber, it could cause some oil consumption issues.

Are you seeing blue smoke from the exhaust?
No blue smoke, one of our daughters took it to a dealership that said it is leaking around the seals, but I'm not sure if I can trust what they tell a cute blonde who is clueless about cars and engines....
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Old March 23rd, 2006, 03:54 PM   #4
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Well, if oil is going away, its gotta be going somewhere.

If its leaking externally, enough to drop the levels between oi changes, well, its obvious, since theres going to be oil all over the engine somewhere.

If not, then its getting consumed/burned. There really isn't anywhere else for it to go.

I'd try pulling the plugs and looking at them. Bad valve seals usually make for oily looking plugs.

Also look inside the air intake, see if its really oily/sludgy.
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Old March 23rd, 2006, 05:10 PM   #5
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before you condem the engine and rings try changing the oil and using some good quality oil. I have seen cheap crappy oil burn past rings in good engines with nothing wrong, sometimes just changing out the cheap stuff will save the day
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