by v7guy » Wed Jan 08, 2014 2:40 am
Not to kick a man while he's down, but did you seriously find no oil on the dipstick and then drive home anyway? That's one of the quickest and best ways available to completely destroy the motor. Don't ever do that, ever.
Have you popped the radiator cap to see if any oil is in the coolant?
Does the gauge show that you have oil pressure?
Is the pcv hose still attached to the intake?
Generally speaking you get milky oil from water being whipped up in the oil. It could just be condensation from not driving it for awhile, or frequent short drives, could be seeping coolant.
The pcv tube is known to kick oil up into the intake (GM seems to live doing this), it's likely one of the reasons we have to clean the throttle body regularly, but that looks excessive from what I've seen in these motors.
I would fill it up with oil, clean up the motor, start it up and see where it's spewing from.
One of the quickest ways I can think of to lose a lot of oil quick to the outside of the motor is if the oil pressure sensor broke, I've seen the top of those snap off and since they're plumbed to pressurized oil passages they dump the oil out in a minute or two. Maybe a cracked cam cover, or intake would do it. But I've never seen that happen.
Some of the guys here have a lot more time with these particular motors though, maybe they'll have some more thoughts.
Oh yeah, did I mention that you shouldn't drive a vehicle if the motor doesn't have oil in it? Cause you shouldn't. Not for 5 minutes, or 30 minutes, hell, don't run the thing at all. I'll be surprised if you haven't spun a rod or crank bearing already.
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