[s-cars] Squealing Heater Fan

[chris chambers]

OR

You could simply unplug the power cable to the fan while you are
hearing the squealing noise. The power cable is located on the driver's
side of the hvac housing. If it is the HVAC fan squealing then when you
unplug it the squealing will stop.


HTH
Chris



--- Keith Maddock <keith-list at maddock.uzipp.com> wrote:
> Rolf wrote:
> >Yup, def. check the little intake fan thingy, but more than likely
> it's the
> >HVAC fan. Mine squeels when the outside temp drops below 15 degrees.
> I then
> >typically hit the recirc. switch to draw warmer air in and sometimes
> that
> >works. Otherwise i dont beleive you can access the bearings to lube
> them.
> >You access the brushes however, but the noise wont typically come
> from
> >there.
> 
> You can really diagnose if it is the HVAC squirrel cage fan or not by
> :
> 
> Turn on fan,
> Getting some WD40,
> Remove the big hose leading to the HVAC squirrel cage fan, ´
> Dousing it with WD 40
> 
> In my case the fan shut right up, for a few months (the interior did
> smell 
> like WD40 for a day, but that  bothered me less than the noisy fan).
> 
> A word of warning, I don't suggest you do this at the top of a
> freeway pass 
> between Oklahoma and New Mexico in 110F weather.  For certain the red
> WD40 
> squirter straw will get knocked off as you are spraying, sucked in
> the fan, 
> then the fan will be even noisier than it was before, driving you
> nuts.  2 
> hours of removal attempts will not work and your hands will be VERY 
> sore.  Don't ask how I know that....
> 
> 
> Cheers,
> Keith
> 
> keith at maddock.com    http://keith.maddock.com/
> 
> 93 S4 (mit RS2 + BR upgrades) Portland OR
> 95 968CS (Ring Tool + Daily Driver) Koblenz, DE
> 1/8 89 GTI  16V (Spare Ring Toy)  Nürburg, DE 
> 
> _______________________________________________
> S-CAR-List mailing list
> S-CAR-List at audifans.com
> http://www.audifans.com/mailman/listinfo/s-car-list


__________________________________
Do you Yahoo!?
Get better spam protection with Yahoo! Mail.
http://antispam.yahoo.com/tools