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03-24-2010, 07:49 PM
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#1 |
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Registered User
Join Date: Sep 2005
Location: Bienfait, Saskatchewan, Canada
Posts: 308
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07 avy
I have an 07 Avalanche 5.3 and two weeks ago I pulled my car trailer about 2 hours to pick up some house materials (about 1500 pounds). Well I checked the oil the day before and it was fine, the next morning after getting back my low oil light was on. When I checked the oil it was barely on the dipstick. It has not done this since, I made the same trip this past weekend with about 3000 pounds and it didn't lose a drop I can not figure this out after it happened I was worried and did a compression test and all was fine all plugs looked like they were burning good etc. Any ideas whatwould cause this? I read that when these engines switch to 4 cyl the valves are oil activated I wondered if this could have something to do with it, maybe one stuck or something.
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2013 avalanche 5.3l 1971 Gmc 350 1958 Gmc fleetside |
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04-04-2010, 11:51 AM
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#2 |
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Happy to be here
 
Join Date: Mar 2000
Location: Cypress, TX
Posts: 39,021
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Re: 07 avy
That 's a good one. In the past I have heard of odd oil consumption on 5.7 Vortec motors. I don't think I have ever heard of an issue on LSx motors.
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