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Thread: Oil Usage?

  1. #1

    Default Oil Usage?

    My vehicle recently had it's second oil change/service at 14,000 miles. Just prior to the service I noticed the oi llevel was down about 1/2 quart. I checked for leaks and did not find any. The dealership advised me that this was within specs. For a vehicle with this small amount of miles on it, I don't think I should be using any oil . Anybody have any comments or thoughts..

  2. #2

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    How many miles since last oil change? And a 1/2 qt in 5000 miles is normal.

  3. #3
    Master Mechanic daddytech's Avatar
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    Did GM suddenly change the oil change frequency requirements?? I've always known the recommended mileage for an oil change to be 3,000 miles 4,000 if you use most synthetics because it gives you that cushion. never heard anyone going 5,000 miles

    That kind of time between oil changes losing half a quart of oil usage i would think would be expected. Even with the synthetics I would expect a little loss personally.

  4. #4
    Sr. Apprentice Steban's Avatar
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    1/2 a quart of oil usage is normal. The rings have gaps in them and it is normal to get a bit of oil past them that will burn. Also your engines needs to warm up and different metals expand at different rates, so you could have a very small amount of oil burning past the rings due to that. I would worry about 1/2 quart every oil change.

  5. #5
    Legend cascott325's Avatar
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    Quote Originally Posted by daddytech View Post
    Did GM suddenly change the oil change frequency requirements?? I've always known the recommended mileage for an oil change to be 3,000 miles 4,000 if you use most synthetics because it gives you that cushion. never heard anyone going 5,000 miles

    That kind of time between oil changes losing half a quart of oil usage i would think would be expected. Even with the synthetics I would expect a little loss personally.

    i run synthetic in mine, i usually change every 8000 miles. i just keep a weary eye on my oil level and its coloration. the longer its been since a change, the more often i check. besides, these new vehicles have oil life meters on them that tell you the breakdown of your oil. technology is impressive
    2000 silverado with a 5.3l v8, shorty headers, upgraded plugs, 10 mil wires, magnaflow high flow cats, flowmaster 80 series muffler(2 in 2 out) w/ 18 inch stainless silverline tips. i have a k&n CIA. its a 4x4 z71 offroad package. Ls model.
    extended cab 160k miles, truxedo low profile bed cover, diablo sport predator tuner.
    reman tranny @ 130k miles
    Chris

  6. #6
    Master Mechanic daddytech's Avatar
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    Quote Originally Posted by cascott325 View Post
    i run synthetic in mine, i usually change every 8000 miles. i just keep a weary eye on my oil level and its coloration. the longer its been since a change, the more often i check. besides, these new vehicles have oil life meters on them that tell you the breakdown of your oil. technology is impressive
    I own a 99 with a 350 motor in it , mine doesn't have all the super fancy toys on it like yours aparently does. lol

    Hell I thought I was in high cotton when I got one that had heated seats and mirrors. made me feel like I was driving a cadillac or something. but I wouldn't trade mine with the 350 off just yet, not till i see some proof on the newer motors being more durable than the 350 any how.

    plus even the newer ones are kinda hard to find with the police package on them for sale already.

    does it make a difference that I run Mobil 1 and even they don't recommend more than 5,000 miles ??? if not it's ok, just curious.

  7. #7

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    Im not a chevy guy yet but will be one day. In my 3.0 Ranger I change my oil every 15,000 miles or 1 year whichever comes first. It has 80,000 miles on it and the oil level is the same every time I change it. You guys should look into amsoil, its some amazing stuff.

  8. #8

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    THE 91 K5 HAS 150,000 MILES ON IT AND I STILL ONLY USE 1/2 QUART EVERY 3000 GOTTA LOVE A REAL TRUCK!!!

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