[Vwdiesel] More Dasher?

[LBaird119 at aol.com]

In a message dated 8/10/2007 12:26:50 AM Pacific Daylight Time, 
toensing at wildblue.net writes:

> The A/C is charged but the problem in in the control switch. It is not 
> sending any signal  to the clutch to engage. How do I get to the switch &replace 
> it. I did replace a faulty rheostat a year ago which controls the fan speed, 
> which still works. I also suspect the evaporator valve may be bad. How do I 
> get to it? Do I have to take the dash apart? I hope not.
> 

  If the system is charged then the evaporator should be fine.  
When they're bad they leak, when they leak the system's not 
charged.
  Control switch?  There's a high temp cutoff switch, fan relay, 
fan switch inside the car...  Depending on factory or dealer 
installed there's a temp switch or it's tied into the heater 
system where there's no temp control other than mixing hot 
air with it.  The fan as well as the directional control can 
have on/off control in most cases.  There's a high pressure 
switch, but that's usually for high speed on the fan, a low 
pressure switch that cuts out the system.  
  It's a matter of a wiring diagram and chasing power until it 
stops or no-power back to the culprit.  
     Loren


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