05 STS V8 4 motor oil, 8 quarts? Really?
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Cadillac STS Forum - 2005 through 2012 Discussion, 05 STS V8 4 motor oil, 8 quarts? Really? in Past Cadillac Vehicle Discussion; Hi everyone, I am at 30% on my oil and am trying to prepare to purchase the oil and filter. ...
  1. #1
    STSJr's Avatar
    STSJr is offline Cadillac Owners Fanatic
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    05 STS V8 4 motor oil, 8 quarts? Really?

    Hi everyone,
    I am at 30% on my oil and am trying to prepare to purchase the oil and filter. Mobil 1 5w30, ok, 8 quarts? Does this engine really take 8 quarts?
    Thank you..

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    curtc's Avatar
    curtc is offline OCD - Obsessive Cadillac Disorder
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    Re: 05 STS V8 4 motor oil, 8 quarts? Really?

    Yes it does, more like 7.5 to be exact.
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    1BadCadSTS's Avatar
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    Depends how long you let it drain. I'm anal so I let it drain while I do other things so it ends up being 8 qrts

    The 4.4 sc takes 9 I believe.
    Guy.Seminerio likes this.

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    orange57's Avatar
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    If you are going by the OML, you should be in the 6000 to 10000 mile range between changes, so 8 qts isn't too bad then.

    I had a Jetta with a 2.8L VR6 and that took 6.2 quarts.

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    curtc's Avatar
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    Re: 05 STS V8 4 motor oil, 8 quarts? Really?

    I managed to net almost 12k before my OLM told me to change it, lots of highway driving...The oil still looked fairly clean too.
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    Try going that long on a 3.6...

    BOOM!

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    curtc's Avatar
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    Re: 05 STS V8 4 motor oil, 8 quarts? Really?

    Quote Originally Posted by 1BadCadSTS View Post
    Try going that long on a 3.6...

    BOOM!
    I never went more than 5k with my 3.6....My N* uses about a half quart in between changes...My 3.6 used a quart every 2k or so.
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    Re: 05 STS V8 4 motor oil, 8 quarts? Really?

    My '04 CTS never burned a drop of oil and averaged 11,000/oil change with nary a problem. My stepdaughter is still driving it with no problems.
    Don't mess with Binky Bear!


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    Dk. You bought it new and maintained it though correct? Most people on here are orignal owners and bought oil drinking heaps.

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    curtc's Avatar
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    Re: 05 STS V8 4 motor oil, 8 quarts? Really?

    Minus the questionable 3.6 the 1st Gen CTS is a solid car. I put almost 50k on mine before I traded it in and only had to replace a wheel bearing...Would've kept it if it wasn't for the damn timing chain starting to clatter on startup.
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    Ok! Great! Thank you for information.

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    Re: 05 STS V8 4 motor oil, 8 quarts? Really?

    I don't mind the 8 quarts. Mobil1 in jugs runs around $25. My local guy changes it & the filter & rotates the tires for about another $30. That's about a buck & a half a week for regular maintenance.
    mckellyb likes this.

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    Re: 05 STS V8 4 motor oil, 8 quarts? Really?

    Quote Originally Posted by 1BadCadSTS View Post
    Depends how long you let it drain. I'm anal so I let it drain while I do other things so it ends up being 8 qrts

    The 4.4 sc takes 9 I believe.
    Yup, my V takes 9qts.

    My three previous FWD Northstars took 7.5qts, so 8qts doesn't seem to be that much of a stretch.

  15. #14
    mckellyb is offline Cadillac Owners Enthusiast
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    Re: 05 STS V8 4 motor oil, 8 quarts? Really?

    Large sump capacities, to me, mean you're going to have fewer, if any, lubrication-related engine issues.

    My '95 3.2L I6 W124 Mercedes held 8 litres. Yes, over 8 quarts.

    That engine is in the mid-200K mile area, now, and still doesn't use any.

    I wish I could expand the oil capacity in my wife's 2002 RX300, 'cause it holds only five quarts, but has had M1 since new.

  16. #15
    turnne is offline Cadillac Owners Connoisseur
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    Re: 05 STS V8 4 motor oil, 8 quarts? Really?

    My Mercedes diesels held over 8 quarts and they are all over 300K with their new owners....though a couple of their tranny bit the dust at 240K and 260K


    Warren

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