Classic Audi Technical Mech/Tech Engine » Rocker cover replacement studs

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Old 17-10-21, 10:51 AM   #1
mouse5673
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Default Rocker cover replacement studs

Hoping someone has come across this. I have a leak from my rocker cover seal and wanted to replace but the studs at the front end which also hold the back of the timing belt guard are very short, 1 looks like it had broke in the past. Had a look at removing 1 to see if it can just be replaced with a bit of threaded rod but it seems to be 2 different sizes or maybe has a fixed nut halfway down for some reason. Don't want to take it apart to investigate further as I don't want to be trying to fix it without the right bits.
Had a look online but can't find anything there that gives me full confidence.
Car is audi 80 b4 saloon 2.0e

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Old 17-10-21, 02:21 PM   #2
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The studs are usually M6 and they have a shoulder on them. The shoulder stops them being inserted too far.They are available to buy on their own. Are you sure the rear cambelt cover is held by these studs for the cam top cover because that's not normal ?

Removal would require a stud extractor which is high risk as you risk the cylinder head needing machined if they break. If you take the cover and gasket off, you'll be able to see how much stud is available to grip with the extractor.
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Old 18-10-21, 11:53 AM   #3
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It's is m6 just wasn't sure what was going on underneath. The cover looks like it's supposed to be held on the way it is. There's nothing else there that could do the job.
Any suggestions on where to get replacements?
I managed to get the stud loose with a double nut but the shoulder as I now know it is was stopping it as the rocker cover was still in place.
Is there a reason the shoulder is stopping it going in so far? Was wondering if I could just replace them with m6 socket heads instead?

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Old 18-10-21, 02:49 PM   #4
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The shoulder will probably prevent the stud coming out if the cover is still there.

There's 2 sections of thread. The bit you can see at the top which the nut threads onto. On the other side of the shoulder there is the thread that screws into the head. Without the shoulder, they would always come out when you removed a nut for the cover.

N 101 863 01 is the stud part number. But M6x1.0 exhaust studs should do the job. Readily available from fastener suppliers. Clarik Engineering who are fairly local to you may do them.
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Old 20-10-21, 03:19 PM   #5
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Have you tried Pete Reeve at quattrocorner.com
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Old 24-10-21, 09:21 AM   #6
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Thanks guys,
Not been getting notifications for this forum for some reason so sorry for the late reply.



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