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02-07-2010
the car heats as normal, and the fans work normally. I have the digital DCC on mine and my issue is that it will not blow warm air to the feet on either side. It will however switch from the defrost to the vents. I have no other issues but it will not switch down to the floor vents on either side...ideas? I would normally say blend door actuator, but if this is the case both of them would need replacement? And if this is true, wouldnt it not move at all? Any ideas anyone?
02-07-2010
Sounds like it is in the control its self.
02-07-2010
well the indicating lights work on the display and it will switch from vent to defrost and what not. I assume that this system is vacuum controlled. Now that I think about it...there was a black hose(vacuum line?) that was not connected to anything that was routed through the passenger side fender. It seemed disconnected right next to the windshield wash reservoir. If this is it, where is it supposed to attach to or route to inside the engine bay before going into the fender? If the vac line was the culprit would it switch at all?
02-07-2010
Yea thats the line that controls the switching. Reconnect it and you probably solved it. It is vacuum actuated, but it has a solenoid block that does the controlling of the vacuum actuators.
02-07-2010
reconnect it where? and how does it still switch, but just not to the floor?
02-07-2010
Pics of said line?
02-07-2010
no, sorry..
If this is ongoing I can get some
02-08-2010
anyone?
08-03-2011
Change the vac solenoid GM part 15-72182. That will do the trick.
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