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99 suburban consuming oil and water

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Old February 26th, 2008, 8:17 AM
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Default 99 suburban consuming oil and water

I have a 99 suburban with a 350. It is burning oil at the rate of about 2quartsevery 3k. Also, I poured a gallon of Antifreeze in the other day. I haven't really kept track of the water, but I'm guessing that its using a gallon every 7.5 to 10k. My first thought was a head gasket. However, someone else mentioned it might be a intake manifold gasket.
Old February 28th, 2008, 12:43 PM
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Default RE: 99 suburban consuming oil and water

Go with your first theory.
Old June 12th, 2008, 1:42 PM
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Default RE: 99 suburban consuming oil and water

the intake manifold gasket is known to leak i just did mine at 130k
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