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98 gtp w/ DCC will blow on defrost or vents but not floor-please help

Liquifire

Liquifire

New member
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?
 


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?
 
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.
 


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