Question about 1999 Ford Explorer

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Newer oil pan gaskets for Ford, not like original..leaking again

Son changed oil pan gasket on 93 Ford Explorer. The gaskets they sell now, look a little different than the original. Older one had some metal on it someway. Now is leaking again..Even Ford dealer selling the newer ones. How does he get it to stop leaking? Thanks

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  • Shadylady131 May 09, 2009

    I appears it was like blowing the gasket again..loosing a lot of oil..need to replace the gasket again...

  • Shadylady131 May 09, 2009

    Thanks, i'll relay this info....

  • Shadylady131 May 09, 2009

    I pushed the gasket out between the bolt holes, and broke the gasket...any ideas..

  • yadayada
    yadayada May 11, 2010

    U over tightened the gasket bolts, follow the service manual tightening instruction's. DO NOT USE RTV SILICONE SEALER!

  • yadayada
    yadayada May 11, 2010

    never use RTV sealant on an oil pan gasket.

  • yadayada
    yadayada May 11, 2010

    If factory instructionds on bolt tighteneing and installation are not followed to the letter the new gasket will leak. Also the problem is most times the crankshaft rear main seal, unless u are a professional technician you will think it is the pan leaking when in fact it is not.

  • Richard Scordino May 11, 2010

    leak from sides, front back where?

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  • Master
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2 causes for the leaking are:

  • 2 spacing pads between oil pan and engine are not in place or worn
  • over tightening of bolts on oil pan warping the pan and compromising the seal

Posted on May 09, 2009

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  • Master
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Try warming up the engine a little then re-tightening the bolts,if that doesnt work,mark where its leaking and pull the pan back off and apply sealant to that area a little heavier than the rest of the gasket surface,dont use too much on a new gasket,just a really thin coat...USE "ULTRA BLUE" sealant,NOT blue or black RTV silicone,silicone wears out and it can leak after a while..Allow the ultra blue sealant to dry for about 30 minutes before re-assembling it,and clean off all oil from the gasket before applying the sealant,its ok to apply it to both sides of the gasket,and add a glob to all 4 corners where the gasket meets with rubber seals around the crankshaft,but put those globs on right before you put the pan back in place,the sealant has to be wet to squish in enough..i hope this helps

Posted on May 09, 2009

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  • Master
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Check the crankcase ventilation system. If the engine develops crankcase pressure, oil will be forced out even past new seals and gaskets.
Think about this: If a constant vacuum could be maintained in the crankcase, it wouldn't even need any gaskets!

Posted on May 09, 2009

  • Bruce Volkers
    Bruce Volkers May 09, 2009

    Before replacing the gaskets again, make sure crankcase pressure is not playing any part in it. Fix the problem to clear the symptom. Crankcase pressure can also cause oil to be forced past fings and valve stems. If there's blue smoke in the exhaust, it's a sign.

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