Re: Locking Crank to remove and tighten crank sheave bolt

["Fred Munro" <munrof@isys.ca>]

Hi Jim;

    I used the Allen key lock when I did the t-belt on my '91 200q. IMO, it
is not preferable to the 2084, it is an option if you don't have the 2084.
Your other options are the bolt through the flywheel or stuffing a bunch of
rope in a cylinder.
    You cut a 12mm Allen key to 170 mm in length. The short end of the key
fits into the harmonic balancer groove that takes the 2084. Putting the
socket on the crank bolt locks the short end of the Allen key in position -
it cannot slip out of the groove in the balancer.
    The long end of the Allen key is braced under the alternator mount that
the 2084 tool locks against. As you loosen the crank bolt, the Allen key
pushes up against the alternator mount and locks the crank in position.
    I found this method to be a little "cheesy" in use - the Allen key bent
quite a bit under the torque required to loosen the crank bolt. I was
worried it might pop out from under the alternator mount and end up imbedded
in my skull ( or other sensitive body parts :o), so I hollow-ground the end
of the key for a better grip and shielded it with a piece of plywood until
the crank bolt came loose.
    It does, on the other hand, make an excellent lock for the cam gear when
removing and installing the cam bolt.
    I used the Allen lock because I didn't want to use the rope trick and
didn't want to subject the crank and flywheel to the loosening torque on the
bolt.
    The 2084 is the most secure way to lock the crank, but the Allen key
lock does work.

HTH

Fred Munro
'94 S4  94k km

----- Original Message -----
From: "superba" <superba@pacbell.net>
To: "Quattro List Post" <quattro@audifans.com>
Sent: Saturday, December 11, 1999 3:39 PM
Subject: Locking Crank to remove and tighten crank sheave bolt


> Hi All,
>
> Someone recently posted about using a modified 12mm hex key to hold the
> crank while removing the bolt because he found it preferable to using a
bolt
> through the tranny housing to the flywheel or the 2084.  Does anyone know
> where I can find a complete description of this procedure?
>
> TIA.
>
> Cheers!
>
> Jim Jordan
>
>