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Old 02-03-2014, 09:45 PM   #1
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Default 2010 Impala using oil WHY ?

I have a '10 Impala that is using oil.
I've only had the oil changed at the dealership and last time I asked them about this I was told the Impalas are known for it.
Does anyone here know Why ?
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Old 02-04-2014, 07:07 AM   #2
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A gummed up or stuck PCV valve is the first thing I would check out.
Next knowing exactly what weight and oil the dealership is using would be helpful.
Is is still under warranty?
Consider going to a better synthetic oil may really help.
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Old 02-04-2014, 07:34 AM   #3
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how much, every gm i have ever had lost 1 to 1.5 qts per 5k oil change, new or old
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Old 02-04-2014, 12:38 PM   #4
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I use to use about 2+ quarts every 5k and that was because my Buick PA liked to leave its signature everywhere it went!
Since I changed the oil pan gasket, I now only loose about 3/4 quart at 5k.
I believe that Gm'* standard for oil loss is what Justin mentioned for acceptable losses.
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Old 02-05-2014, 09:52 PM   #5
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I've only had the oil changed at the dealership everytime.
I would imagine they would use 5w 30 G.M. oil actually the wife is the one to get the oil changed.
P.C.V. Valve ? I looked at the manual today and didn't see one ?
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Old 02-05-2014, 10:22 PM   #6
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Is it the 3.5L? It'* probably under the engine cover, on the front valve cover. Should be a vacuum hose coming off it with a "T" at the throttle body
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Old 02-06-2014, 11:32 AM   #7
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Thanks I will look today.
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