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Old 05-09-2018, 05:29 AM   #1
Joviemk7
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Oil leaking on spark plugs

Im at about 47k miles and i just changed my spark plugs and i noticed a bunch of oil on the threads of cyl 1 and 4. I looked into all cylinders and theres no visible oil in either however I think the oil might have came from the top it appears to start by the valve cover gasket?? but anyway it looks like it leaked down from there and Im not sure what to do right now
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Old 05-09-2018, 02:36 PM   #2
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https://youtu.be/I2CSrHgADgo


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Old 05-09-2018, 11:41 PM   #3
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Warranty the valve cover or whatever it's really called gasket.
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(Mostly) Posted by Josh/AWE. Flapper valves are open at idle, close after 1100 RPM during part throttle. Full throttle 1st-4th gear the valves open until throttle let off. 4th gear, 1500 RPM to full throttle closed, closed until 3500 RPM, then open until lift off throttle.
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Old 05-10-2018, 12:18 AM   #4
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Your engine doesn’t have a valve cover. It’s a cylinder head cover that incorperates the top bearings for the camshaft. Also, the gasket is made by using RTV.

I had oil on one of my spark plugs as well and decided to clean it off and recheck at next oil change. Now that I hear you exhibiting this and seeing that YouTube video, I’m wondering if this will be another common problem with these cars. Granted yours is the 1.8L, but still same design for the cylinder head cover if I’m not mistaking. My car only has 18,000miles on it.
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Old 05-10-2018, 04:04 AM   #5
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Originally Posted by BravoMike View Post
Your engine doesnít have a valve cover. Itís a cylinder head cover that incorperates the top bearings for the camshaft.
FWIW, it's a cam cover.
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Old 05-10-2018, 04:30 AM   #6
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FWIW, it's a cam cover.
Indeed it is, thank you for the correction.
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Old 05-10-2018, 09:47 AM   #7
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Any ideas on the next course of action?


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Old 05-10-2018, 11:22 AM   #8
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Any ideas on the next course of action?


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Dealer visit?
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Old 05-10-2018, 10:14 PM   #9
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Dealer visit?
That or buy a tube of RTV (something like Permatex Ultra Black) and get to work pulling that cam cover.
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Old 05-10-2018, 10:42 PM   #10
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10 bucks says they tell you some extra sealant left over from initial assembly and send you on way. The sealant they use stays liquid and is a reddish color and can look like oil at first glance, you don't want to use RTV...
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Old 05-11-2018, 04:49 AM   #11
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That or buy a tube of RTV (something like Permatex Ultra Black) and get to work pulling that cam cover.
If you go this route make sure you get at least the Erwin VW manuals and know what you are getting yourself into. There is a lot connected to the cam cover and you need to release tension on the timing chain.

Like I mentioned above, the cam cover has integral bearings for the cam. Also make use a torque wrench and torque the bolts in the recommended pattern. This is something that a very capable DIYer can do, but the caveat is to not treat it like it's just a valve cover.

Edit: I just looked in the Erwin engine manual again and saw that they reference it as the Cylinder Head Cover.
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Last edited by BravoMike; 05-11-2018 at 05:30 AM.
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Old 05-11-2018, 05:11 AM   #12
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10 bucks says they tell you some extra sealant left over from initial assembly and send you on way. The sealant they use stays liquid and is a reddish color and can look like oil at first glance, you don't want to use RTV...
What's wrong with high temp RTV? Just curious. I see VW sells their branded sealant, but the only description I see for it is "sealant".
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Old 05-11-2018, 06:41 AM   #13
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It's sealant. On two of my plugs and these are engine at 28k miles.

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Old 05-11-2018, 06:57 AM   #14
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Let's assume the OP isn't stupid and knows the difference between sealant and oil.

Here is my post with the same issue. Looks nothing like your plugs and you can be sure I can tell the difference between oil and sealant.

https://www.golfmk7.com/forums/showp...&postcount=149
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Old 05-15-2018, 11:05 PM   #15
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Oil leaking on spark plugs

Iím pretty sure itís oil one of the plugs have that light gold color like fresh oil

Also isnít the sealant for the top red anyway



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Old 05-26-2018, 08:49 PM   #16
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Here are mine 1-4 after 13k miles on plugs and 25k overall on car
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Old 05-26-2018, 11:58 PM   #17
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So Iím guessing this is a normal thing? And maybe no big deal?


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