Weird CC fan behavior

Bernie Benz b.benz at
Tue Jun 1 14:11:47 EDT 2004

Could be that your cc fan brushes need replacing, BTDT.  Check the voltage
to the motor, or apply 12V to it as a check.


> From: Peter Schulz <pcschulz at>
> Date: Tue, 01 Jun 2004 13:30:09 -0400
> To: 200q20v at
> Subject: Weird CC fan behavior
> Gents:
> Recently had the AC (R134 retrofit) serviced.
> Since then, the cc blower fan seems to only come on when it wants to...
> I can hear the flap positions in the airbox change when I select off, econ,
> hi/lo, auto, def, but no fan, even when I push the hi/lo fans speed
> buttons.  Changing the temperature also has no effect on the fan ( air temp
> DOES change)
> No error codes on channel 00.
> This morning the blower finally came on after 30 minutes of driving.
> Had to stop and turn off the engine.  When I returned and started the car
> again, the fan came on immediately.
> Any BTDTs before I dig into the plenum with a voltmeter ?

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