more oil questions

Discussion in 'General Motoring' started by Privacy, please, Dec 31, 2003.

  1. When my engine is off the dipstick shows that there is just about no oil in
    the system. When the engine is running the dipstick shows that it is full
    and then some. What would cause this? And is it normal for wisps of white
    smoke to come out of the dipstick tube when checking the oil? (With the
    engine on.)

    Also, when getting the oil changed it was jet black in color and fairly
    sticky. What would cause this?

    Because it was black and sticky they said there is some sort of "engine
    flush" that can be done. Legitimate service or just another way to take
    Privacy, please, Dec 31, 2003
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  2. Privacy, please

    Joe Dufu Guest

    Always check the oil when NOT running.

    You are dangerously low on oil. Probably 2 quarts low would be my guess.
    Add a quart, let it sit for 3 minutes without running it. Check again.
    Repeat as needed and with smaller amounts until you show full.

    Joe - V#8013 - '86 VN750 - joe @ yunx .com
    Ask me about "The Ride" on July 31, '04:
    Joe Dufu, Dec 31, 2003
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  3. Privacy, please

    C. E. White Guest

    When the engine is running, oil is being thrown all around the inside
    the crankcase. Some of it lands on the dip stick, some of which id high
    up the stick. This runs down the stick. When you pull it out, it looks
    like the oil level is hight - it isn't. You should check your oil with
    the engine off, after enough time has elasped to allow most of the oil
    to drain back into the sump. The white stuff coming out of the dip stick
    tube is likely to be water vapor and is probably normal. However,
    checking the oil with the engine running is not normal - don't do it.

    Instead of paying for an engine flush, just use good quality oil and
    change it more often. If the oil is really dirty, I suggest doing a
    couple of 1000 mile oil changes.

    C. E. White, Dec 31, 2003
  4. Privacy, please

    Dan Hicks Guest

    The oil should be checked with the engine off (and after it has set
    for 2-3 minutes to "drain down"). Make sure the car is level. When
    the engine is running the oil is splashing around and cannot be
    measured accurately.

    The whisps of white smoke are "blowby" exhaust. A little is OK, but
    lots indicates bad rings.

    Oil will normally be dark (though not jet black) even after 100
    miles or so. It should not be particularly "sticky" or "gooey",
    though -- it should flow about as freely as when new. Jet black
    would suggest combustion products are ending up in the oil (bad
    rings or valve seals). Sticky would suggest either lots of
    combustion products or a coolant leak.
    Dan Hicks, Jan 1, 2004
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