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  1. #1

    Question 2007 silverado excessive oil usage

    Has anyone had a problem with their 5.3L using moter oil? Mine is using about 2qt. per 3000 mi. The dealer said factory is aware of problem and has a fix. The fix consists of removing oil pan , installing oil deflector , removing & cleaning spark plugs ,filling cylinders with cleaner , and changing oil and filter. This was done to mine at no charge however it has allready used a quart at only 1400 mi. after last oil change. I have owned several 5.3L vehicles non ever used any oil. This truck has only 38000mi. on it. It is the varible disp.(V8 to V4). I havenot read about this problem on this site. I have heard about it on a Surburban site.

  2. #2
    murdog94's Avatar
    Join Date
    Feb 2008
    Cloquet, Minnesota, United States
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    There have been a few who have mentioned it, and there is actually a long thread about it here on the site.. But if the "fix" didnt do what it was supposed to i would bring it back and complain.. Since a quart an oil change is pretty average for most motors, but a quart in 1400 miles is way to much


    1997 Chevy S-10 Blazer 4X4 with 330K miles and counting (Hunting rig).

    2009 Saturn Aura XE (wifes car)

    2011 F-150 Crew 4X4

    "Hold it to the floor till you see God.... Then Brake!!!!"

  3. #3
    stephan's Avatar
    Join Date
    Sep 2010
    Far West, Oregon USA,
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    X2 on Mikes advice. If the deflector didn't fix it, take it back!!
    1988 Chevy C-3500 2wd (no pic)
    350 c.i. 5.7 L Stock Block, 4 Bolt Mains
    L-31 Vortec Heads, Edelbrock Cam & Intake,
    Holley 650, Flowtech Headers, Magnaflow exh.
    Jet Trans 700R4, B&M Ratchet, 4:10 gears,
    3" susp. lift kit "shadetree"
    No rev limiter, No speed limiter lol

  4. #4
    Jr. Apprentice
    Join Date
    Jan 2011
    Mukwonago, WI


    My uncle has this issue with his 2009? I think LTZ. He took it in and the dealership diagnosed it as a problem with the piston ring not sealing and burning oil. not sure what the fix was, just giving you some insight. It's under warranty, take it back to the dealer!

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