[s-cars] Suggested Modification to the Timing Belt R&R DIY

[Robert Myers]

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Congratulations indeed, Dave (and Fred, too).  I retired 14 years ago 
and haven't regretted it for a single moment.  We stay busy.  For 
example in about two weeks we're installing a 5kW grid-tied PV array 
on our roof.  Two months ago we installed a 15 kW standby propane 
fueled generator for our home.  In another month and a half we're 
installing new windows in an apartment building we own.  That type of 
activity plus a nice nap every afternoon...  Well, we stay busy.   ;-)

Bob


At 09:12 AM 8/12/2010, Fred Munro wrote:
>*This message was transferred with a trial version of CommuniGate(r) Pro*
>Hi Dave;
>
>Congrats on the retirement! Now you'll have lots of time to get the Audi in
>pristine condition! Actually, that's a myth. I find you have less time after
>you retire - I retired late last year and don't know how I found the time to
>go to work. I think what actually happens is you slip into "retirement mode"
>- you work at a more leisurely pace and everything takes twice as long to
>do!
>
>Enough musing on the joys of retirement. It is a bit of a pain to get the 10
>mm bolts in, but I found that leaving the crank bolt loose and pulling the
>pulley forward gave me enough room to get them in. The Bentley mentions
>fitting the belt, balancer/sprocket, and guard simultaneously, which is
>probably why I initially did it that way. Under my personal philosophy of
>not taking apart more than I absolutely have to (an offshoot of the "If it
>isn't broke don't fix it" school), I've never had the harmonic balancer and
>the sprocket apart, so I haven't tried what you are proposing. I can't think
>of a reason why it shouldn't work, and since you already have the balancer
>off the sprocket I'd give it a shot. Take photos!
>
>Congrats again on the retirement!
>
>Fred Munro
>'97 S6
>
>-----Original Message-----
>From: s-car-list-bounces at audifans.com
>[mailto:s-car-list-bounces at audifans.com] On Behalf Of David Forgie
>Sent: August 11, 2010 10:11 PM
>To: s-car-list
>Subject: [s-cars] Suggested Modification to the Timing Belt R&R DIY
>
>Previously, I had no garage when the timing belt needed R&R so I had it
>done.  This time
>a) I have a garage and b) I have the time (retired June 1).  I have been
>following Fred Munro's DIY
>  (available as a pdf at S-cars.org).  I have also installed an RS2 exhaust
>cam, changed the turbo
>  coolant hose (under the water manifold) and changed the crank sprocket.
>
>The question is about the lower (metal) timing belt cover.  Fred suggests
>that you install the crank
>  sprocket (and damper), the timing belt and the lower cover as one unit.
>This can be accomplished
>by slining the crank sprocket (and damper) on the timing belt, with the
>lower cover sandwiched in
>  there.  The problem is installing the 10 mm (head) bolts on the lower cover
>is *quite* difficult this
>  way AND you cannot see the bottom of the cranksprocket and the timing belt
>to know for sure that
>  the belt and the sprocket are still meshed properly.
>
>My question/suggestion is what would be wrong about separating the damper
>from the crank
>sprocket (which I already had done BTW), and installing the belt, the cover
>and the cranksprocket
>  first (easier access to the cover bolts, good visual on the timing belt on
>the crank sprocket) and
>  THEN installing the damper on the crank sprocket (it is "keyed" by a small
>dimple (but you could
>  mark the position before hand)?  Seems like it would have been easier.
>
>Hope all is good with everyone.
>
>Dave F.
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