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Old 10-12-2018, 10:42 AM   #1
timl865
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Default Cyl 1 spark plug hole filling with oil.???

Hi, my 97 sc2 DOHC engine keeps filling the #1 cylinder spark plug hole with oil. I changed the valve cover gasket and it didnt help. Did I screw up? I checked the pcv valve and it rattles.. it only has 80k miles on it.

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Old 10-12-2018, 02:58 PM   #2
Waiex191
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Default Re: Cyl 1 spark plug hole filling with oil.???

My '98 was good after a new gasket. Same problem, #1 spark plug well. Others have had issues with the plastic valve cover.

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Old 10-12-2018, 03:26 PM   #3
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Default Re: Cyl 1 spark plug hole filling with oil.???

Yes, that's no uncommon. One common cause of leaks is the plastic valve cover warping. Go down to the junk yard and grab an aluminum cover from an older DOHC. Take the bolts too.

The plug wires could also be changed because the aluminum cover is slightly shorter so the ring on the wire is lower, although its a pretty minor detail and you could probably wait until you change the wires next.

-Robert

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Old 10-12-2018, 04:36 PM   #4
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Default Re: Cyl 1 spark plug hole filling with oil.???

Thanks. That's what I was thinking.

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Old 10-15-2018, 03:17 PM   #5
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Default Re: Cyl 1 spark plug hole filling with oil.???

Does anyone know what size tool I need for the metal valve cover? Is it a torx? Thanks!

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Old 10-15-2018, 03:33 PM   #6
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Default Re: Cyl 1 spark plug hole filling with oil.???

Quote:
Originally Posted by timl865 View Post
Does anyone know what size tool I need for the metal valve cover? Is it a torx? Thanks!
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Old 10-15-2018, 04:27 PM   #7
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Default Re: Cyl 1 spark plug hole filling with oil.???

Thanks. As always this forum is the best!

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