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How-to: Bleeding upper timing chain tensioner

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Re: [gti-vr6] Bleeding upper chain tensioner "G.A. Chaussee" <gc4n@virginia> Fri, 09 May 2003 09:19:29 -0400
Fixed my timing chain problem "Cullen Foresman" <csf01@msn> Thu, 15 May 2003 11:17:17 -0700

From: "G.A. Chaussee" <gc4n@virginia>
To: list@gti-vr6
Subject: Re: [gti-vr6] Bleeding upper chain tensioner
Date: Fri, 09 May 2003 09:19:29 -0400
I was just reading about this (never actually did it myself). You need
to use a thin piece of wire to press down on the relief valve in the
end of the tensioner. Supposedly the piston will magically retract.


From: "Cullen Foresman" <csf01@msn>
To: <list@gti-vr6>
Subject: Fixed my timing chain problem
Date: Thu, 15 May 2003 11:17:17 -0700
Just wanted to let you all know that I finally fixed my chain problem.
Apparently the new style upper tensioners (for single roller upper
chain?) aren't bleed the same way as the old ones, there isn't
even a hole in the end of the piston so the sticking a wire in it
technique won't work.  I couldn't find anything on how to do it so
I just submerged the filler holes (bolt head end) in some oil then
fully compressed the piston and slowly raised it back up to fill the
tensioner with oil.  I'm not sure that it was necessary but I also
briefly unscrewed the bolt with a rag under it to catch oil while
the engine was running just for a second to make sure everything got
filled up.  It seems to have worked fine.

Only thing is now my lifters just stated ticking, which they never
did before.  I'm sure its nothing but it would've been nice to have
known so I could have checked them with a feeler gauge while I was
in there.  Oh well.

Thanks for all the help.

BTW: I'm going to be selling my bug in a month or so and I want
to put about half the money (maybe $1,500-2,000 US) into my gti.
Any advice/ideas on what would be the best mods for that amount
of money on a currently stock car?Get more from the Web.  FREE MSN
Explorer download :

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