Timing Belt on Scirocco 16V

[lord_verminaard at yahoo.com (Brendan Doyle)]

Like another lister said, this is a stupid way to tension the belt.  The Bentley fails to mention that if the 90* turn is with girly German hands or big manly American (or Canadian) hands.  :P  I guess it's all relative.  The last time I did an 8-valve, I put it on there to what I *thought* was a good snug 90* turn, but it whined a little so I backed it off just a tad and it was fine.  After that, it was close to 170* turn but they never mention how hard to turn the belt.  :)

Brendan

----- Original Message ----
From: "Janzen, Lawrence" <lwjanzen@xxxxxxxxxxx>
To: scirocco-l@xxxxxxxxxxxx
Sent: Wednesday, July 25, 2007 12:34:45 PM
Subject: Timing Belt on Scirocco 16V

I have just replaced the timing belt, drive belt tensioner roller and
the 3 V-belts on my '87 Scirocco 16V.  After starting it, there was a
hollow-whirring sound coming from the timing belt area.  Thinking it was
the lower timing belt cover rubbing on the vibration damper, I took it
all a part again. Nope, it wasn't the lower cover.  It turns to be the
tension on the drive belt tensioner roller.  In the RB manual it states
"On 8-valve engines, you should be able to twist the belt no more that
90 degrees. On PL(16-valve) engines, you should be able to twist the
belt no more than 45 degrees."  If I run the timing belt set at 45
degrees, the tensioner roller makes this hollow-whirring sound.  If I
run the timing belt set to 90 degrees, this sound goes away and
everything sounds normal.  Timing belt and all V-belts are all
Continental and the roller is SKF.  

Has anyone had this problem before?  Is this normal?  Can I run a risk
of having the timing belt set to 90 degrees?

Larry
'87 Scirocco 16V


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