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Old 04-27-2005, 11:01   #1 (permalink)
Jimbo
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2002 Taurus fan trouble

Heater fan has been acting up lately. Only runs on high with both Air
Cond. and Heater. On occasion will not run at all but then next day back to
only running on high setting.

Elrod



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Old 04-27-2005, 17:01   #2 (permalink)
icouldv8@siomd.com
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Re: 2002 Taurus fan trouble

On Wed, 27 Apr 2005 16:11:54 GMT, "Jimbo" <elrodo@verizon.net> wrote:

> Heater fan has been acting up lately. Only runs on high with both Air
>Cond. and Heater. On occasion will not run at all but then next day back to
>only running on high setting.
>
>Elrod
>
>


change resistor

hurc ast
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Old 05-01-2005, 10:01   #3 (permalink)
Chris Bowne
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Re: 2002 Taurus fan trouble

Speed control resistsor block thermal fuse is fried. Easily replaced by
changing the resistor block, located by two small self tapping screws in the
blower discharge ductwork behind the glove boax, which is eary to remove.
The fan is still running in fast because in that speed, all the resistors
are bypassed, and the thermal fuse, which protects against overheated speed
control resistors if the motor were to stall in other speeds, is cut out of
the circuit.

You probably had a stall on the motor due to something like ice from
ingested water or snow in the fan impeller somewhere along the line.
Howerver, you said that on some days your fan is not running even in fast
speed. In that case, you may have a bad set of bushings in the fan motor
that are causing it to stall. If so, you will need to solve that problem as
well, or you will end up frying the new resistor bank thermal fuse in short
order.

"Jimbo" <elrodo@verizon.net> wrote in message
news:eRObe.8282$yc.1829@trnddc04...
> Heater fan has been acting up lately. Only runs on high with both Air
> Cond. and Heater. On occasion will not run at all but then next day back

to
> only running on high setting.
>
> Elrod
>
>
>



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