Re: replacing resistor in interior fan

[Ilias Glavinas <eg1@ee.wustl.edu>]

On Mon, 9 Dec 1996, Josh Clark wrote:

> Has anyone done this on a Scirocco?  THe Bently is a little obscure as to
> the location and how to replace it.  I need to because only the 4th speed
> worked on my 
> 83 fan and now it is dead too which doesn't help much in the Winter.  Thanks
> for the help,
> --

(Not a job to look forward to.)

Take out the plastic tray. There you will see a long plastic black 
cover: you need to take that off to get to the fan. That 
cover is tightened to the chassis by 4-5 screws (it's been a 
few months since I did it so I can't remember). 
Go inside the car, on the passenger side, and take off the thingie that 
covers the AC hoses+vacuum lines and is above the passenger's feet and 
below the pass. side of the dashboard. That cloth-like object is screwed 
to both the dash and to the chassis. Once you take that off you will be 
able to see 2-3 screws that hold the plastic cover that covers the fan. I 
think it is those screws as well as 1 screw on the other side (dr. side) 
as well as a little post around the middle that you have to deal with 
(yes, I know I sound vague but if you look at the area you will 
understand). It is basically common sense: you wiggle the box and see 
where you meet resistance --> there is a screw there --> take it off :-)
You will also have to disconnect the two vacuum lines that go inside the 
car. 

Now that you have taken the covers off, you can see the _other_ covers 
beneath which is your fan. Those should be no problem to carefully 
pry off. Now you can see your nice 4-resistor package that is attached to 
the fan. Since no speed works, you will have to get a new resistor pack. 
And it would be my bet that the dealer does not sell the pack separately 
from the fan (ie, you have to pay the ~$300 for the fan, in order to get 
the $1 resistor pack) --but you never know, so ask. So, you have two 
options: (a)good luck in the junkyards and (b)if you have some very 
basic knowledge of electric circuits you can easily figure out how the 
current goes into and out of the pack, and then solder your own 
4-resistor pack (the values for the resistors are printed on your pack). 
Then again, you might be lucky and the pack just might be loose and thus 
disconnected from the fan (I really doubt that).

Oh, and buy some sealing caulking to replace the old one that the plastic 
cover sat on. 



Ilias
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