Re: details of timing belt procedure (C-GT)

[quk@sievers.com (Phil Payne)]

In message <337CBD7F.2F74@qnet.com> Ken writes:

> > Is it neccesary that the belt be over those gears to hold things in place while the crankshaft center bolt 
> > is broken loose?
> 
> It would really suck if the tranny popped out of gear (assuming you try
> that method of hold the crank still) while turning the bolt.  Without
> the belt on, ouch!  This happened to a lister recently.  Remember,
> folks?

Yup.  I cautioned the laddie about this very eventuality.
 
> If I understand it correctly, slack is slack.  You shouldn't be able to
> push it down more than 'X' amount, with the lobe "off" or "facing away"
> from the lifter.  If you're He-Man (registered trademark), then you
> might just push the valve open, in which case it would seem like there
> was play.  If you're that strong, though, you should ride a bicycle with
> really high gearing, cause you don't need a car! ;-)  (also, you could
> hold the crank still while you twist off the pulley bolt.  Seriously
> tho, if it moves down more than the "whatever" measurement (what it is 1
> mm?), then it's bad.  It's recommended you replace them in sets.

It's 0.1mm - i.e., not a lot.  Sod all, in fact.  The Audi documentation 
is quite happy to replace them singly - you (and many others) might feel 
that the effort involved in getting in there justifies doing them all at
once.

--
 Phil Payne
 phil@sievers.com
 Committee Member, UK Audi [ur-]quattro Owners Club