Oil burning issues with '01 models?
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Le Mans Master
Joined: Sep 2016
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Oil burning issues with '01 models?
The '01s seem to have the most issues with oil burning. What was different about this particular year model that may have caused this issue? What was done with the later models to correct it?
Le Mans Master
Joined: Sep 2013
Posts: 8,900
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From: Wisconsin
The only time my '01 used oil was crossing South Dakota. For that 350 miles we averaged 85 to 90 MPH with a 100 degrees outside temp. Other than that it doesn't use any oil between oil changes.
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I had the same problem with my '00 6 speed coupe. One quart of oil every 1200 or so miles. Had the dealer repair under warranty.
The problem was with the rings and the cylinder bore on mainly manual tranny cars operated at higher RPMs.
Here's a document on the problem.
The problem was with the rings and the cylinder bore on mainly manual tranny cars operated at higher RPMs.
Here's a document on the problem.
Safety Car
Joined: Jun 2013
Posts: 4,309
Likes: 13
From: FW/d Texas
I had the same problem with my '00 6 speed coupe. One quart of oil every 1200 or so miles. Had the dealer repair under warranty.
The problem was with the rings and the cylinder bore on mainly manual tranny cars operated at higher RPMs.
Here's a document on the problem.
The problem was with the rings and the cylinder bore on mainly manual tranny cars operated at higher RPMs.
Here's a document on the problem.
Last edited by C5Txfan; Jan 19, 2017 at 05:50 PM.
Melting Slicks
Joined: Dec 2005
Posts: 2,017
Likes: 169
From: SE VA VA
The official solution to the LS1 oil consumption issue was to replace 1 ring on 1 cylinder.
My (first month of 2001 production) C5 was right on the edge of what was considered excessive.
Dealers mechanic at the time was of thhe opinion that to tear down the engine to replace a single ring was likey more detrimental than putting in an extra quart between normal changes.
Only driving 10k miles /year, I was inclined to agree, so I never did GMs recommended repair.
Oil consumption eventually stopped, and no long term negative effects.
Still have the car...116k miles on it now.
My (first month of 2001 production) C5 was right on the edge of what was considered excessive.
Dealers mechanic at the time was of thhe opinion that to tear down the engine to replace a single ring was likey more detrimental than putting in an extra quart between normal changes.
Only driving 10k miles /year, I was inclined to agree, so I never did GMs recommended repair.
Oil consumption eventually stopped, and no long term negative effects.
Still have the car...116k miles on it now.
Le Mans Master
Joined: Sep 2013
Posts: 8,900
Likes: 1,074
From: Wisconsin
The official solution to the LS1 oil consumption issue was to replace 1 ring on 1 cylinder.
My (first month of 2001 production) C5 was right on the edge of what was considered excessive.
Dealers mechanic at the time was of thhe opinion that to tear down the engine to replace a single ring was likey more detrimental than putting in an extra quart between normal changes.
Only driving 10k miles /year, I was inclined to agree, so I never did GMs recommended repair.
Oil consumption eventually stopped, and no long term negative effects.
Still have the car...116k miles on it now.
My (first month of 2001 production) C5 was right on the edge of what was considered excessive.
Dealers mechanic at the time was of thhe opinion that to tear down the engine to replace a single ring was likey more detrimental than putting in an extra quart between normal changes.
Only driving 10k miles /year, I was inclined to agree, so I never did GMs recommended repair.
Oil consumption eventually stopped, and no long term negative effects.
Still have the car...116k miles on it now.
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Melting Slicks
Joined: Mar 2001
Posts: 2,671
Likes: 850
From: New Jersey
My 01 (built Oct 2000) uses maybe a quart every 3000 miles. 69,000 miles. I have owned it since new, oil and filter every 3000 miles, Mobil-1 5W-30.
Last edited by ersatz928; Jan 21, 2017 at 10:55 AM.