Tinkering last night thought id check plugs .The one nearest the cam belt was loose as in i could move it around .The other 4 needed 1\4 turn slightly worrying. It now feels a liitle quicker any one had this anomalalaly. 
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No, but I have heard others talk about it. Have you done a search on it at all?
Cheers,
SteveThe Perfectionist
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Audi Class Concours winner Stoner Park 2014, ADI Concours D'Elegance Class Winner 2008, Runner up 2014. Winner, S2Forum Show'n'Shine Billing 2006 & 2008.
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It is quite a common problem, there is specific torque for these but i can't remember what it is. Hopefully someone else will post the figure.
IainComment
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going by the AAN manual torque should be 30nm
Benthe best intentions are fraught with disappointment - gil grissom
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1994 ABY Avant - it's getting thereComment
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Happened to me a while back, tightened plugs and felt an improvement. a few months later when car was serviced by dialynx, plugs were found to be loose. was told that once plugs have been tightened once and sealing washers have been flattened, if you remove them and try to refit them again they will work loose again. I was a little sceptical about this
, but 3k miles after they fitted new plugs, they are still tight. 
94 S2 Avant, Crystal Silver, slightly modded
89 Vw Golf mk2
12 Mercedes e250cdi, silver, daily commuterComment
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Think its this that also caused Doug to go large on his after the 3rd plug came out from where it belongs and stripped the end of the thread out with it.
Ive noticed mine come loose a few times as well, i tend to check them from time to time just to make sure now.Ant
2007 Mk5 Golf GTi, 3 door, DSG, REVO Stg 2 and other goodies
2011 Kawasaki Z1000
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same here. They have come loose a couple of times. I now check them often.Comment
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In that case I won't touch mine as they were new a few thousand miles ago....The Perfectionist
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Audi Class Concours winner Stoner Park 2014, ADI Concours D'Elegance Class Winner 2008, Runner up 2014. Winner, S2Forum Show'n'Shine Billing 2006 & 2008.
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Yes its a common niggle - I think it can be caused by over-tightening the plugs - causing the sealing washers to flatten, grip to be reduced and the plug to loosen.
Gotta wonder if some kind of funkier / better seal washer can be found to reduce this problem.
PaulPaul Nugent
Webmaster http://S2central.net
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1994 S2 Coupe ABY - aka Project Lazarus
2001 A6 allroad 2.5TDi - family tank
2003 S4 Avant 4.2 V8 - daily burble
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