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Unread 06-04-2014, 03:01 PM   #31
remmons
Some assembly required.
2002 KJ Liberty 
 
Join Date: Mar 2010
Location: Vernal, Utah
Posts: 1,832
I had read elsewhere on this forum that Power Steering Stop Leak was used to stop an engine oil leak in our KJ's, so I had bought a bottle and tried it out. I had went on a 1100-1200 mile round trip this past few days to pick up my daughter for the summer. I had bought a pint of Lucas Power Steering stop leak and poured it all into my crankcase, and within the third tank of gas there was no more oil usage. The last three tanks of gas I didn't have to add any oil to my engine. So what ever was leaking was apparently fixed by the stop leak. I can only hope that this doesn't create any problems in the future.

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"Make something 'fool-proof', and nature will just produce better fools."
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Unread 06-05-2014, 07:57 PM   #32
streetglideok
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2005 KJ Liberty 
 
Join Date: Jul 2011
Location: Colorado Springs, Colorado
Posts: 2,450
Sure hope not. I'm not a fan stop leak type products. Did you try using an engine flush cleaner in the engine, followed by an oil change? That would have been my first choice. You still have the oil baffle in the oil filler neck, right?
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Unread 06-06-2014, 09:25 AM   #33
remmons
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2002 KJ Liberty 
 
Join Date: Mar 2010
Location: Vernal, Utah
Posts: 1,832
Quote:
Originally Posted by streetglideok View Post
Sure hope not. I'm not a fan stop leak type products. Did you try using an engine flush cleaner in the engine, followed by an oil change? That would have been my first choice. You still have the oil baffle in the oil filler neck, right?
I'm not a fan of any type of a miracle-in-a-can either, but I was getting tired of dumping in $5.00 bottles of oil on every or every other tank (I use Valvoline semi-synthetic blend). But since a typical stop leak works on rubber seals, I figured at the least I can narrow down the culprit.

I know engines, I have built a few V8's in my lifetime, and I know the characteristics of leaks and such, but when this particular rig didn't show any signs of a leak (even though there was heavy oil consumption), this had baffled me to no end. Usually, with any type of leak, there are SOME signs given, i.e. wet parts, drip stains on the road surface, etc. But not this one. So this is telling me that the leaking is ONLY occurring while I am driving, BUT, there should still be some sign of an oil leak left behind on something underneath. Also, if it was burning it off, the plugs and the exhaust would have signs of oil burning, but neither revealed any signs of oil burning. And at a quart every 250-500 miles, there would be a very strong evidence of heavy oil usage.
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Robert.

Quoted from eflightray on RCGroups.com;
"Make something 'fool-proof', and nature will just produce better fools."
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Unread 06-07-2014, 10:19 AM   #34
streetglideok
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2005 KJ Liberty 
 
Join Date: Jul 2011
Location: Colorado Springs, Colorado
Posts: 2,450
Problem with that is, technology. Building old American V8s are like putting together a Tamiya R/C car these days. What applied to the old engines doesn't on the new ones. Due to the cleaner burning nature of the newer engines, and emissions systems with that, they can burn oil or have oil burn off without signs. When you get to the point of an engine smoking now, it's really burning it. Oils today are totally different than they were 10-20 years ago, let alone 30-40. The EPA has forced them to back off on certain additives in the oil, leading to sludging of oil rings much more often now, as well as burn off. There are likely signs, but they won't be of the type you are used to seeing.
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Unread 06-07-2014, 11:36 AM   #35
remmons
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2002 KJ Liberty 
 
Join Date: Mar 2010
Location: Vernal, Utah
Posts: 1,832
Quote:
Originally Posted by streetglideok View Post
Problem with that is, technology. Building old American V8s are like putting together a Tamiya R/C car these days. What applied to the old engines doesn't on the new ones. Due to the cleaner burning nature of the newer engines, and emissions systems with that, they can burn oil or have oil burn off without signs. When you get to the point of an engine smoking now, it's really burning it. Oils today are totally different than they were 10-20 years ago, let alone 30-40. The EPA has forced them to back off on certain additives in the oil, leading to sludging of oil rings much more often now, as well as burn off. There are likely signs, but they won't be of the type you are used to seeing.
Now you're making me feel old.
__________________
Robert.

Quoted from eflightray on RCGroups.com;
"Make something 'fool-proof', and nature will just produce better fools."
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Unread 10-17-2014, 10:43 PM   #36
remmons
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2002 KJ Liberty 
 
Join Date: Mar 2010
Location: Vernal, Utah
Posts: 1,832
Recently I have had my oil light come on briefly, so I had replaced my oil pressure switch (OPS). While doing so I had noticed a bunch of oil inside the connector. I wonder if this also was my mysterious oil loss location. I'm going to keep an eye on this location and see what it does.
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Unread 11-05-2014, 06:36 PM   #37
remmons
Some assembly required.
2002 KJ Liberty 
 
Join Date: Mar 2010
Location: Vernal, Utah
Posts: 1,832
Just to give an update. Ever since when I had replaced my oil pressure switch I have not had any more oil loss. Plus my oil light on my dash has not came on while driving either. It's just one of those weird things that can happen.
__________________
Robert.

Quoted from eflightray on RCGroups.com;
"Make something 'fool-proof', and nature will just produce better fools."
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hidden oil leak , mysterious oil leak , oil leak

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