1993 Eldo...ALL THE OIL CAME OUT
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Northstar Engines and System Technical Discussion Discussion, 1993 Eldo...ALL THE OIL CAME OUT in Cadillac Engine Technical Discussion; Hello all. I'm posting for my brother...any help would be great. He has a 1993 Eldo 100k plus miles. While ...
  1. #1
    yngceo is offline Cadillac Owners Member
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    1993 Eldo...ALL THE OIL CAME OUT

    Hello all. I'm posting for my brother...any help would be great. He has a 1993 Eldo 100k plus miles. While driving on I-70 around Fredrick, MD, he experienced SMOKE EVERYWHERE and had to pull over. Luckily he was by a rest area and was able to pull over.

    He has a large, unstoppable oil leak. Most if not all of the engine oil has poured out of the engine . Put the car on jackstands and the leak SEEMS to be leaking right between the engine and the transmission, but I can't really see. Any suggestions? He has had this engine for less than two months (used). Anyhelp would be great. Thank you.

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  3. #2
    lry99eldo is offline Cadillac Owners Fanatic
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    Re: 1993 Eldo...ALL THE OIL CAME OUT

    No other way to say it, your brother is SOL, will have to pull it again, remove and replace all gaskets and seals. There will be, and I say this with all truth, no "easy" fix. Do not attempt any oil seal or stop leak additive, do not use sandpaper or scotchbrite to clean seal surfaces, and don't do it half assed in any way, shape, or form. Get a manual on what ever engine he has and read it FIRST to completely understand what it is you are about to do or have done. Once the engine is pulled be sure to clean it as good as new and look for cracks, broken or worn spots, pulled or broken threaded bosses and so on. Also look at the aeal areas for gasket material protruding or completely missing, it may help shorten the investigation.
    Please don't think I'm assuming you and your brother are dimwits, just some stern words of caution. These leak things are always a pain and no way around doing it other than 100% correctly. Wish I had a number for you to call Madam La Rue for a love potion to fix all your woes but that number just doesn't exist.
    lry99eldo

  4. #3
    BeelzeBob's Avatar
    BeelzeBob is offline I'm a Cadillac Fanatic!
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    Re: 1993 Eldo...ALL THE OIL CAME OUT

    Well....first thing.....is this a Northstar engine or a 4.9...??? Could be either in a 93 Eldo I think.

    If it is a Northstar then it sounds more like an oil cooler hose ruptured.

    Realistically, there is no seal or plug that could suddenly "blow out" in the area between the engine and the transmission. A Northstar could leak or seep oil in that area but it wouldn't have a catostrophic leak in that area. Just no passage or place to leak like that.

    There are oil cooler lines on the engine from the oil filter adapter that could have ruptured.


    If the engine is a 4.9 then there is the possibility of a severe pressurized oil leak in the area of the engine behind the flex plate....between the engine and transmission. If that is the case and it is a 4.9 then it is likely an easy fix. Remove the oil filter adapter on the top of the engine and pull the oil delivery tube out of the block with a pair of pliers. Simply pull the tube you will see when the oil filter adapter is off and it will come out. It may have rusted thru or something...??? Replace it with a new one from Cadillac. Simple.


    One thing to do is to refill the engine with oil and start it up momentarily to see where the leak is.....

  5. #4
    BeelzeBob's Avatar
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    Re: 1993 Eldo...ALL THE OIL CAME OUT

    Quote Originally Posted by lry99eldo
    No other way to say it, your brother is SOL, will have to pull it again, remove and replace all gaskets and seals. There will be, and I say this with all truth, no "easy" fix. Do not attempt any oil seal or stop leak additive, do not use sandpaper or scotchbrite to clean seal surfaces, and don't do it half assed in any way, shape, or form. Get a manual on what ever engine he has and read it FIRST to completely understand what it is you are about to do or have done. Once the engine is pulled be sure to clean it as good as new and look for cracks, broken or worn spots, pulled or broken threaded bosses and so on. Also look at the aeal areas for gasket material protruding or completely missing, it may help shorten the investigation.
    Please don't think I'm assuming you and your brother are dimwits, just some stern words of caution. These leak things are always a pain and no way around doing it other than 100% correctly. Wish I had a number for you to call Madam La Rue for a love potion to fix all your woes but that number just doesn't exist.
    lry99eldo

    uh...what exactly could leak this severely and this suddenly in that area...???

    This type of incident is more indicative of an oil cooler line bursting or something like that...not a leak or seepage from the oil pan or oil distribution plate as is typically reported.

  6. #5
    budkidd@fuse.net is offline Cadillac Owners Member
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    Re: 1993 Eldo...ALL THE OIL CAME OUT

    i would like to know what your problem is becausei have a leak there to

  7. #6
    budkidd@fuse.net is offline Cadillac Owners Member
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    Re: 1993 Eldo...ALL THE OIL CAME OUT

    i have a leak there,let me know,the fix

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