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Old 01-31-2003, 06:34 PM   #1
RT66Z06
 
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LS6 Excessive Oil Consumption/Engine Knock

If you have a Z06 model year 2001-2003 you may want to take a look at two service bulletins from Chevrolet. You can view them on my site at http://www.rjsmith.com/z06.html#service

Service Bulletin #894549 deals with excessive oil consumption in 2001-2002 LS1 and LS6 engines, while Service Bulletin #1206539 deals with an engine knock or "tick" sound which affects 2001-2003 LS6 engines only.

The fix for excessive oil consumption may be as simple as replacing the valley cover or as complex as replacing the number 2 compression ring on all 8 pistons.

Ray
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Old 01-31-2003, 07:23 PM   #2
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Re: LS6 Excessive Oil Consumption/Engine Knock

Quote:
Originally posted by RT66Z06
If you have a Z06 model year 2001-2003 you may want to take a look at two service bulletins from Chevrolet. You can view them on my site at http://www.rjsmith.com/z06.html#service

Service Bulletin #894549 deals with excessive oil consumption in 2001-2002 LS1 and LS6 engines, while Service Bulletin #1206539 deals with an engine knock or "tick" sound which affects 2001-2003 LS6 engines only.

The fix for excessive oil consumption may be as simple as replacing the valley cover or as complex as replacing the number 2 compression ring on all 8 pistons.

Ray
Ray, thank you for the superb link. Much thanks!
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Old 01-31-2003, 07:41 PM   #3
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Re: Re: LS6 Excessive Oil Consumption/Engine Knock

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Originally posted by Patrick96LT4
Ray, thank you for the superb link. Much thanks!
You're welcome.

The site looks cool with the blue background.

Ray
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Old 01-31-2003, 08:05 PM   #4
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Glad you like it, the site is staying this way for a long long long time!

I had to quit fiddling anyway, the "main page" needed to get done.... hehehe....
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Old 01-31-2003, 08:56 PM   #5
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Thanx for the info, muchly appreciated. Will add it to my files in case I have to argue with the dealer
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Old 02-01-2003, 06:31 AM   #6
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There is also an issue with a "jingaling" noise with the 2002 Z06. The problem is with the H-pipe design and the last word I heard was the Corvette Engineers knew about the problem and are working on it.

For everyone's info, the noise can be "fixed" by going with an aftermarket X-pipe. Big Law Man had this problem with his '02 EB Z06 and it's all gone, that noise was driving him nuts.
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