05 Wrangler 2.4l 4 cyl starved of oil and now ticking quite badly - Page 2 - JeepForum.com
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Go Back JeepForum.com > General Technical Discussions > Engines & Drivetrain > 05 Wrangler 2.4l 4 cyl starved of oil and now ticking quite badly

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Unread 09-23-2012, 06:51 AM   #16
SeaspanKing
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Join Date: Jul 2012
Posts: 25
A few years ago one of the boats I worked on blew a oil line and the low oil alarm didnt go off after a few hours of oil starvation every bearing in the engine was damaged. Resulting in about $50,000 damage. So things could be worse.

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Unread 09-24-2012, 11:43 AM   #17
rouxbicon
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2003 TJ Wrangler 
 
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Location: Baton Rouge, La
Posts: 524
One question I would ask is whether or not the CEL ever came on during this ordeal, or did the oil pressure "gauge" ever go to zero? (Remember that since it is an '05, it is not a real gauge but only an idiot light with a needle.)

If not then it is probably ok, since the engine never lost oil pressure. As long as there was enough oil in the pan for the pump to suck up, nothing should have been damaged in the short term, since oil pressure would have remained normal. Of course you wouldn't want to run very long like that.


True story (non-Jeep). On vacation several years ago in our F150 with 125k miles on it, we experienced sudden PCV valve failure(unknown to me at the time) which caused our oil consumption to go through the roof. Checked the oil a week or so into the trip and found it 3.5 quarts low out of 6 qt capacity. But no warning light, so we never lost pressure. Filled it up with oil, changed the PCV valve, and we're still driving it today with 213k.
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Unread 09-25-2012, 07:45 PM   #18
ajdinger
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Join Date: Sep 2012
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Quote:
Originally Posted by rouxbicon
One question I would ask is whether or not the CEL ever came on during this ordeal, or did the oil pressure "gauge" ever go to zero? (Remember that since it is an '05, it is not a real gauge but only an idiot light with a needle.)

If not then it is probably ok, since the engine never lost oil pressure. As long as there was enough oil in the pan for the pump to suck up, nothing should have been damaged in the short term, since oil pressure would have remained normal. Of course you wouldn't want to run very long like that.

True story (non-Jeep). On vacation several years ago in our F150 with 125k miles on it, we experienced sudden PCV valve failure(unknown to me at the time) which caused our oil consumption to go through the roof. Checked the oil a week or so into the trip and found it 3.5 quarts low out of 6 qt capacity. But no warning light, so we never lost pressure. Filled it up with oil, changed the PCV valve, and we're still driving it today with 213k.
Evidentially the oil pressure gauge did go to zero several time before the noise began. At this point it's just painful to think that the damn thing was screaming about a problem and it was ignored.
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