Oil on spark plug thread?

SCOOBY24

MEMBER
2012 VAUXHALL CORSA
1.2L
MANUAL
70,000 MILES

Was doing a service this morning and noticed oil on the right-hand side spark plug thread, are there any gaskets that I can replace to prevent oil getting into the treads? I have looked on-line but can't find anything relating to changing the valve gaskets on my car, I have only found rocket gasket replacement, which I have but don't want to fit if there are other gaskets that need replacing.

4 Replies

JACOBANDNICKOLAS

MECHANIC
109,747 POSTS

Hi,

This vehicle isn't offered in the US, so I don't have the specifics. However, I looked up a picture to see how the gasket is made.

From what I can tell, there is a gasket that is part of the valve cover that seals off where the spark plugs would be located. See pic below. I circled what I believe would be the portion of the gasket that seals oil from reaching the plugs.

Take a look and let me know your thoughts.

Take care,

Joe

See pic below.

Image (Click to make bigger)

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Monday, November 11th, 2024 AT 6:16 PM

ALISON SAMWAYS

MEMBER
4 POSTS

Hi Joe,

Thank you so much for taking the time to answer my query.

I also looked online and could only find the same information that you have given me, so it looks probable that this is the gasket that I need to replace, I already have a new one so thanks to your answer I can confidently go ahead and fit it.

Thanks again for your help.

Alison

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Tuesday, November 12th, 2024 AT 6:00 AM

ALISON SAMWAYS

MEMBER
4 POSTS

Hi Joe,

Not sure if you received my reply, (my reply isn't showing) so I just want to make sure that you do, so I'm sending it again.

Thank you so much for taking the time and trouble to look into my query and for answering.

I also looked online and could only find the same information that you have provided me, so it is most likely the cover gasket. I already have a new one, so thanks to your answer I can confidently go ahead and fit it.

Thanks again.

Alison

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Tuesday, November 12th, 2024 AT 6:12 AM

JACOBANDNICKOLAS

MECHANIC
109,747 POSTS

Alison,

Thanks for the update and you are very welcome. If you have a chance, let me know if we are correct. Also, if you have questions, feel free to reach out to me. I'm not sure where you are located, but I would appreciate knowing that things went well for you.

Take care of yourself.

Joe

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Tuesday, November 12th, 2024 AT 7:22 PM