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Oil Seeping Through Gasket


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#1 Contsis

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Posted 30 September 2019 - 10:43 AM

Unmolested 87 Quest 67k miles - car runs excellent.

Been noticing for  a while now seeping around the head gasket and I believe also the oil pan gasket.
My concern is with the head gasket - what option do I have and what are ramifications if not repaired long term?
Can it be torqued down or does have to be replaced? - not sure I could tackle either one.

Thanks





#2 Dad

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Posted 30 September 2019 - 11:28 AM

Probably not the head gasket  but near it, most likely rear cam plug or valve cover gasket

#3 croquest87

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Posted 30 September 2019 - 11:30 AM

I would replace valve cover gasket/half moon.   Distributor O ring  and back of the head plug.  New oil cap.  Probably all dried out or to hard or to soft to seal. Pretty much all gaskets in question. Head gasket rarely leaks and if it does  you will know it.
Like Randy stated above.

Edited by croquest87, 30 September 2019 - 11:31 AM.


#4 FRO

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Posted 04 October 2019 - 09:55 AM

Is it seeping out of the front of the head, where the timing chain would be?

#5 Contsis

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Posted 07 October 2019 - 01:59 PM

View PostFRO, on 04 October 2019 - 09:55 AM, said:

Is it seeping out of the front of the head, where the timing chain would be?

Yes - just above the water pump where the gasket sticks out.

Thanks

#6 TexasQuest

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Posted 07 October 2019 - 06:09 PM

Timing cover gasket is leaking.
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View PostJohnnyWadd, on 04 March 2010 - 10:01 PM, said:

my shaft was big i dont know what your talking about.

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#7 croquest87

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Posted 07 October 2019 - 07:19 PM

Also between head gasket and timing cover small amount of sealant needs applied when installing head gasket.If your timing cover was ever removed for timing replacement  that needs to be re applied before installing the cover.It is the very top of cover  that gets re cut along with the block when resurfacing it. Also noted in your service manual pretty sure in cylinder head install. I used ultra black high temp and oil resistant.No issues ever.

Edited by croquest87, 07 October 2019 - 07:24 PM.


#8 Contsis

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Posted 08 October 2019 - 06:47 AM

Any concerns if left alone? I would like to have all the gaskets replaced at some point but not now, especially with the car running so nice. the seeping appears to be very very minor.

Thanks

#9 croquest87

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Posted 08 October 2019 - 11:16 AM

View PostContsis, on 08 October 2019 - 06:47 AM, said:

Any concerns if left alone? I would like to have all the gaskets replaced at some point but not now, especially with the car running so nice. the seeping appears to be very very minor.

Thanks
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