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Thread: Oil leaking around distributor

  1. #1
    Join Date
    Feb 2013
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    Riverstone nsw
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    Lightbulb Oil leaking around distributor

    I need help my xj is leaking oil through the distributor and out off the drain hole all along the block and over the starter so change distributor and happening again don't no what to look for 1995xj

  2. #2
    Join Date
    Sep 2009
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    29,847

    Default Re: Oil leaking around distributor

    Can you send us some pics of what is happening?
    230 hp 4.3L Chevy
    Built 4L60E with manual lockout
    Atlas 4 speed
    Griffin radiator
    On board air
    Warn 9.5ti on custom bumper
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    lockers
    And a bunch of other stuff

  3. #3
    Join Date
    Apr 2010
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    Paradise, CA
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    132

    Default Re: Oil leaking around distributor

    There is only a small washer like seal for the distributor. If your crankcase is pressurized enough to leak a decent amount out of the distributor hole, you may have other issues. Is your CCV clear? Do you have oil in your airbox? Is the hold down bolt tight?
    1. 1990 XJ Laredo AW4-4.0L-NP231 D35/D30-OPEN cooling-3.5 full pack-etc.-etc.
    #2. 1988 MJ Pioneer AW4-4.0L-NP231J-D30/D44 LSD - OPEN cooling - 3" lift - 31's

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  4. #4
    denverd1's Avatar
    denverd1 is offline Level: Uber Jeep Cherokee Trailer Queen
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    Dec 2011
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    Default Re: Oil leaking around distributor

    check that hold down clamp again. But, like paradise said, if you case has too much pressure, it can point to other problems. Oil coming out of your dipstick too?

    Could be a valve problem or worn rings. you could pull the valve cover and run the engine to see if some valves aren't opening. maybe an exhaust valve isn't staying open long enough. How many miles are on it?

    A compression would tell you more
    Wheelin' East Texas in a RED XJ

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  5. #5
    Join Date
    Jun 2014
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    Dundee,Il
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    Default Re: Oil leaking around distributor

    Ive got the same issue but no leak from drain hole on dist. new gasket replaced 2 days ago, hold down is tight.....do I change the gasket as I know its clean mating surface on block and dist. I got 1/4 turn out of it maybe a little more but it was leaking worse then with no gasket now. 94 4.0

  6. #6
    Join Date
    Mar 2009
    Location
    Katy, Texas
    Posts
    27,332

    Default Re: Oil leaking around distributor

    Might be a blow by issue. Consider doing a compression test.

  7. #7
    Join Date
    Jun 2014
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    Dundee,Il
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    336

    Default Re: Oil leaking around distributor

    its leaking at idle if that helps. Im in it now. needed a flashlight to check but looks like its coming out above the hold down gasket below the pick up housing

  8. #8
    Join Date
    Jun 2014
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    Dundee,Il
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    336

    Default Re: Oil leaking around distributor

    its coming out where the dizzy bowls out for the pick up, I see a little box looking design directly where the shaft meets the pick up hosuing

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