Timing belt idler pulley (4kq)

[Shawn Manny]

THANKS for the feedback, we tried a bolt in the larger threaded
section and didnt feel comfortable really torquing on it...I'll give
the 2 pry vars a whirl...
Just out of curiosity (call it morbid) what would happen if I just
left it be....

Shawn


On Wed, 16 Mar 2005 16:25:14 -0500, Fred Munro <munrof at sympatico.ca> wrote:
> I'm reaching back into the dim recesses of my memory here (from the days
> long ago when I owned a '86 5ktq) but if this idler pulley is the same as
> that on the old I5 10V turbo, there is an easier way to get the pulley off.
> If you look closely at the idler pulley, you'll note that the bolt is
> smaller diameter than the hole in the pulley and the hole in the pulley is
> threaded. You can match up a bolt to the threaded section. This gives you a
> couple of removal options. You can insert the bolt through a plate that is
> held away from the block on standoffs, thread the bolt into the pulley, and
> remove it that way. I think I slid a short piece of rod into the hole for
> the bolt to bear on, and extracted the pulley by threading in a bolt.  The
> new pulley goes in easier if you leave it in the freezer for a few hours and
> drive it in while it is cold. Don't try to pull it in with the bolt or
> you'll snap off the bolt.
> 
> HTH
> 
> Fred Munro
> '94 S4
> 
> 
> -----Original Message-----
> From: quattro-bounces at audifans.com
> [mailto:quattro-bounces at audifans.com]On Behalf Of Chris Semple
> Sent: March 16, 2005 3:20 PM
> Cc: 'Audi quattro list'
> Subject: RE: Timing belt idler pulley (4kq)
> 
> > -----Original Message-----
> > From: quattro-bounces+chris=force5auto.com at audifans.com
> > [mailto:quattro-bounces+chris=force5auto.com at audifans.com]On Behalf Of
> > Aaron Jongbloedt
> 
> > Sorry, I miss understood you.  I used a 3-jaw gear puller
> > from Sears.  Put
> > that bolt back in part way and use the gear puller to pull it off.
> > aaron...
> 
> I'd be wary of this approach, that bolt is very thin(m6?), and won't take
> much torque before shearing off in the oil pump housing. Try and lever the
> idler roller off with two prybars first if you've got the option. They
> usually jump off with a little coaxing.
> 
> -Cheers
> Chris Semple
> Concord NH
> '92 S4, 124k
>   '93 E350 Club, 301k
>      '04 F350 DRW, 33k
> 
> > > Aaron....the bolt that holds the pulley to the motor is out already,
> > > but the pulley assy. is still stuck in place,seems I need
> > some sort of
> > > puller and its not covered in the Bentley or Haynes...
> 
> > > > > whats the trick to remove the idler pulley on my 4kq?
> > Im changing the
> > > > > timing belt and want replace the bearing in the idler
> > pulley while
> > > > > i've got it all apart. Couldn't seem to get it to come
> > loose at all? I
> > > > > got the bolt that holds it on off, but the damn thing
> > is stuck on
> > > > > there pretty good. This is the first t-belt the cars
> > EVER gotten so
> > > > > everthing was nice and snug and happy where it was for
> > the last 18+
> > > > > years....sigh
> > > > > Help?
> > > > > Shawn
> 
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