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Author Topic: Astra J A16XER Cam Cover Leakage to Spark Plugs  (Read 1653 times)

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polilara

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Astra J A16XER Cam Cover Leakage to Spark Plugs
« on: 02 March 2025, 19:17:03 »
Hello
Changed some weeks ago cam cover gasget as spark plug wells were full of oil and gott P0300. Old seal was hard as glass. I checked today situation by taking coilpack away. There was still minor amount of oil in pots 1 and 2. Driven 500-1000km. So, warped cover? Is this typical. I di not use glue when assembled new gasget. I can order new cover from e.g. Autodoc but just wanted to ask is this typical. 120 000 km driven car from 2009.
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Viral_Jim

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Re: Astra J A16XER Cam Cover Leakage to Spark Plugs
« Reply #1 on: 02 March 2025, 22:56:26 »
May be worth cleaning out the oil and seeing if it happens again.

When I did mine, there was oil up inside the coil packs, which drained out into the plug wells. Not much but a noticable amount. Could be the same for you
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polilara

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Re: Astra J A16XER Cam Cover Leakage to Spark Plugs
« Reply #2 on: 03 March 2025, 19:14:38 »
Thanks Viral_Jim, let's hope the best, usually things are worse.
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polilara

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Re: Astra J A16XER Cam Cover Leakage to Spark Plugs
« Reply #3 on: 11 March 2025, 17:48:03 »
Decided to order FebiBilstein cover from Autodoc. Arrived today and I already took old cover away. Pots 1&2 had some oil around plugs while 3&4 were dry. Now I would like to get some tips.
Is GM Black one recommended around plug wells to improve situation or also everywhere or should I just lubricate the rubber gasget with oil. The new cover came with gasget installed. I would not likr to take it away for oiling but just install how it is as it sits there nicely. Please help, I do not want to make this third time...
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Doctor Gollum

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Re: Astra J A16XER Cam Cover Leakage to Spark Plugs
« Reply #4 on: 11 March 2025, 17:50:11 »
Goo generally only goes on sharp corners such as the cam cutouts or where the cover crosses over a joint between two components.
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polilara

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Re: Astra J A16XER Cam Cover Leakage to Spark Plugs
« Reply #5 on: 11 March 2025, 18:44:38 »
Thanks DG, how about oiling, I put oil to O-rings but how about rubber seals, just dry?
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polilara

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Re: Astra J A16XER Cam Cover Leakage to Spark Plugs
« Reply #6 on: 12 March 2025, 04:40:37 »
The oiling of rubber gasget generally is my question. After cleaning everything some people just assemble it some told better to oil it slightly. Is there any General "rule"?
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Doctor Gollum

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Re: Astra J A16XER Cam Cover Leakage to Spark Plugs
« Reply #7 on: 12 March 2025, 06:32:49 »
If you want it to degrade more evenly then oil it, but they're not desperate to be as a rule. ;)
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polilara

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Re: Astra J A16XER Cam Cover Leakage to Spark Plugs
« Reply #8 on: 12 March 2025, 18:04:07 »
Job jobbed (again), thanks for tips DG. Black silicon in sharp corners and slightly oiled rubber gasget. Let's see, quite simple job, I believe it is ok now. 
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