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Re: AC intermittant problems 85 5000



Barry Steinman <Bsteinma@isat.com> writes:
>I am having intermitant AC problems.  It is an 85 station wagon >5000S.

>He has checked all the wiring. Yet it still happens.

  Has he checked the blower fuse, and the fusebox?

>It seems to happen when it is very hot, but also at times when it >is
cold.
 
 Sounds like either the blower motor or the fuse/fuse box.
 Next time it's dead, pull sill cover off and give the 
 heater box a good whack to see if the fan comes on.  Or,
 you can pull the rubber grommet off the heater box and 
 push in on the blower motor brushes.  If the blower comes
 to life, you need a new blower motor. Pushing in on the 
 brushes gave my blower an extra few months of life before 
 it became terminal.  

 I had the same symptoms in the 5KS, pulled all the fuses
 and found one of them melted, but still making occasional
 contact.  This happened twice, the second time the fuse 
 melted into the fuse holder.  Changed the fusebox (got one
 from a lister) and haven't had a problem since.  

 The fusebox is in a LOUSY location on the 5KS, attracting 
 humidity, leaves, etc. and the buses inside it start to 
 corrode making intermittent contact which causes electrical
 gremlins.  Seems like the early Audi electrical systems
 were designed during Octoberfest.

 BCNU,



 
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