problem with my car, I am confused, maybe you can help?????? - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 03-19-2004, 06:25 PM   #11
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I'd go with the valve guides in a heartbeat. Classic symptoms. Your description is excellent, especially the lack of significant oil consumption.
Thats what I am hoping it is. That way I can fix it when I get around to putting the heads on. The heads I bought are from the newer 3100 and are supposed to flow much better on the exhaust side (and slightly better on the intake), and this set just has new valve guides and seals and springs installed and a few other things, along with a valve job. So hopefully they will wake the car up! When I get around to putting the heads on I will let you know if it fixed the problem or not. In the mean time I am going to pull the oil return line from the turbo off and clean it out, and see if maybe that helps it any.

Thanks,

Shawn
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Old 03-19-2004, 06:43 PM   #12
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Quote:
Originally Posted by dbtk2
Quote:
I'd go with the valve guides in a heartbeat. Classic symptoms. Your description is excellent, especially the lack of significant oil consumption.
Thats what I am hoping it is. That way I can fix it when I get around to putting the heads on. The heads I bought are from the newer 3100 and are supposed to flow much better on the exhaust side (and slightly better on the intake), and this set just has new valve guides and seals and springs installed and a few other things, along with a valve job. So hopefully they will wake the car up! When I get around to putting the heads on I will let you know if it fixed the problem or not. In the mean time I am going to pull the oil return line from the turbo off and clean it out, and see if maybe that helps it any.

Thanks,

Shawn
I'd agree with the above. At worst it'* your seals/guides, at best it'* your PCV or oil return line.

Cheers,
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Old 03-19-2004, 09:22 PM   #13
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I there any oil in the tube between the turbo outlet and the throttle body. Bad turbo seals can cause this also. If the oil return line is restricted the oil can be forced past the seal and get sucked in at the throttle body. My cousins GN was doing the same thing. A trip to the local napa auto parts store and ordered a seal kit, cleaned the return line, installed the seals and all is ok. It would only lose about half a quart in 3000 miles. Now there is a slight usage about a 10th of what it use to burn. But then again the motor has 110k on it.
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Old 03-19-2004, 10:04 PM   #14
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Originally Posted by Bob 86
I there any oil in the tube between the turbo outlet and the throttle body. Bad turbo seals can cause this also. If the oil return line is restricted the oil can be forced past the seal and get sucked in at the throttle body. My cousins GN was doing the same thing. A trip to the local napa auto parts store and ordered a seal kit, cleaned the return line, installed the seals and all is ok. It would only lose about half a quart in 3000 miles. Now there is a slight usage about a 10th of what it use to burn. But then again the motor has 110k on it.
I know the turbo can cause this problem, but there is no oil in the pipes or anything. I am thinking that the turbo could be going (there are other reasons why I am thinking that (like it getting louder and taking much longer to spool)) but I don't think the turbo is the cause of the oil. I may take the pipes off shortly to make sure there is no oil in there, but I had them off when I put my radiator in my car about a month ago and they were clean then.

If it is the turbo, that is BAD news. To get it rebuilt it is like a few hundred just for the parts. Not only that, but the turbo is a really tiny turbo that I'm planning on hopefully upgrading in the near future, so why would I want to dump money into the stock one. Maybe I'll just have to upgrade sooner than I thought...

Shawn
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