Oil Leak Problem
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Cadillac DeVille 1985 to 2005 including:
1985-1992 Fleetwood, 1993 Sixty Special, All FWD Forum Discussion, Oil Leak Problem in Past Cadillac Vehicle Discussion; Hey guys, I uploaded a video on youtube awhile ago and I was wondering if someone can help me out. ...
  1. #1
    vctrfs is offline Cadillac Owners Member
    Automobile(s): 2000 Deville Base
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    Oil Leak Problem

    Hey guys, I uploaded a video on youtube awhile ago and I was wondering if someone can help me out. I dunno if its the oil pan thing, that would be expensive to replace or a sensor. I just wanted to see if you guys can help me out with a second look on it. Also, with my safety inspection due, will this hinder it at all? I want to pass, but I am worried that if they see the leak they will fail me. Any advice is really appreciated.


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  3. #2
    basscatt's Avatar
    basscatt is offline Cadillac Owners 10000+ Posts
    Automobile(s): 89 Coupe DeVille, 95 Sedan DeVille, 03 SLS, two 02 DHS's
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    Re: Oil Leak Problem

    regarding the oil leak -

    from your description - it sounds more like the rear cam cover is leaking -
    and the oil is dripping onto the hot exhaust - and burning -

    but it could be more than just that -

    does your state inspect for oil leaks?

    regarding the state inspection -

    not sure if the oil leak will cause you to fail -
    but I can GUARANTEE you will NEVER pass -
    with the CHECK ENGINE light on -

    check for Diagnostic Trouble Codes -

    if you don't know how - go here and read the ENTIRE post -

    http://www.cadillacforums.com/forums...odes-dtcs.html

    if you have any codes - post them here -
    ALONG WITH THEIR DEFINITIONS -

  4. #3
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
    Automobile(s): White Diamond '03 DHS (with DTS floor shift)
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    Re: Oil Leak Problem

    Why are you trying to remove the IAC valve? If you are trying to clean it, leave it be. It rarely needs cleaning. Just clean the TB bore and throttle plate. I have yet to clean an IAC valve, but I do my TB every spring. If you really do need to remove it, get a drift on the screw head (screwdriver will work if need be. Just be sure that the screwdriver is seated in the drive slots). One good hard sharp rap with a hammer should break the corrosion bond between the steel screw and the aluminum TB and the screw should come out with ease.

  5. #4
    vctrfs is offline Cadillac Owners Member
    Automobile(s): 2000 Deville Base
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    Re: Oil Leak Problem

    I really appreciate everything said so far guys. This video was a bit older and I cleaned out the IAC that was mentioned. But the oil leak is definetly still an ongoing thing, and its definetly burning by the rear cam. Is this something that will be easy to replace or fix? I live in New York(long island).

  6. #5
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
    Automobile(s): White Diamond '03 DHS (with DTS floor shift)
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    Re: Oil Leak Problem

    Chances are the leak is from the pan gasket or the halfcase seal (most common leak points). Either one is a big expensive job.

  7. #6
    basscatt's Avatar
    basscatt is offline Cadillac Owners 10000+ Posts
    Automobile(s): 89 Coupe DeVille, 95 Sedan DeVille, 03 SLS, two 02 DHS's
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    Re: Oil Leak Problem

    FIRST you really need to determine EXACTLY
    where the oil leak/leaks is/are coming from -

    the best way is to get the car up on a hoist -

    Is this something that will be easy to replace or fix?
    EASY is a relative word - EASY for who? -
    and EASY compared to what?

    IF it IS the rear cam cover gasket - it ISN'T brain surgery -
    but a gasketectomy isn't a 30 minute job either -

    are you contemplating doing this yourself -
    or having it done?

    if you are having someone else do the work -
    you DO NOT need to go to the dealer -
    but I WOULD strongly recommend using someone EXPERIENCED -
    working on a Northstar motor -

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