[200q20v] FW: [audi20v] Distr. Rattle

Bernie Benz b.m.benz at prodigy.net
Tue Sep 4 16:07:09 EDT 2001

> From: Bernie Benz <b.m.benz at prodigy.net>
> Date: Tue, 04 Sep 2001 12:17:39 -0800
> To: <PerezFkanedap at aol.com>
> Cc: audi-20v <audi20v at rennlist.org>, 200q20V mailing list
> <200q20v at audifans.com>
> Subject: Re: [audi20v] Distr. Rattle
>> From: PerezFkanedap at aol.com
>> Reply-To: PerezFkanedap at aol.com
>> Date: Tue, 04 Sep 2001 10:46:15 EDT
>> To: "Audi 20V" <audi20v at rennlist.org>
>> Subject: [audi20v] Distr. Rattle
>> Listers:  Will my rattling distributor self destruct if I don't use the 20V
>> sites recommendation of spacers used on the distributor body.  I'm a little
>> wary of putting something on the distributor without really knowing what
>> widths of washers to use.  Where can you find washers that are needed for
>> this 
>> fix.
> You can feel/measure the axial clearance of the distributor shaft insitu.
> Just remove the cover and measure the axial movement of the rotor.  Without
> measuring, my spare 200-20V dist feels like about 5 to 10 thou.  IMO, this
> small clearance would not be the principle cause of the elusive rattle.  More
> likely its a loose timing belt talking to a worn timing chain, torsional
> vibrations, but dist gear tooth and axial shaft clearances could add to the
> back talk, and result in possible gear failure.
> Any bearing supply house will have assorted shim washers.
>> I've consulted a few Audi wrenches and they've advised going to the
>> metal gear distributor.  They say your rattling will go away and you don't
>> have to worry about the plastic gear exploding due to having the stress of
>> having washers wedged between the cam gear and the body put upon it.
> For-hire wrenches will always recommend part replacement rather than repair,
> inasmuch as there is more money in it for them, and possibly fewer returns.
>> Anybody who's done the chageover to the metal gear have any comments on this?
>> Is it true?
> The new dist with metal gear will be fail proof toothwise, but may not help
> much with the rattle.  The whole cam drive system needs to be checked.
>> One mechanic has suggested getting a gear off another distributor from
>> a single cam 5 cylinder car, can this be done?  I have my doubts on this too.
> Not the same gear, tooth pitch and diameter are different.
>> Comments wanted on this subject.
>> --- 
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