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Climate control function
Just had the evaporator and all the vac. elements changed out on the 88 TE. Having lived with an improperly functioning climate control system for years, I have a few questions concerning the proper auto climate functions:
Is it typical to have a small continous amount of air blowing out of the defrost vents while the a/c button is pushed (defrost actuator is new)? I still get a small amout of fogging on the outside of the windshield on a humid day. Could this be a adjustment I could make by removing the glove box or is this small amount of constant defrost designed into the system? I do not notice any change in air flow when the re-circulate button is pushed (red light on) nor do I hear any flap closing/opening (new reirc actuator). On my Saab there is a distinct increase in the airflow with the recirc. on. After the car cools down close to the set temp. the air blows from the side vents and stops blowing from the center vents. Is this correct? Thanks in advance Ed C. |
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I am having the same problem,does any one have an answer?
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fogging on the outside?! must be really cold air from the vent!
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Yes i think we know that, but why is a small amount of air coming out of the defrost vent?
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A small amount of airflow from the defrost vents is normal. I also get outside condensation on the windshield. That is normal especially in humid enviroments like we have here. My 300e will close the center vents when it reaches the set temp but my 420's do not. I know I have one bad actuator in the 300e which I have teken out of the vacuum circuit and that might be why it does that. I suspect that a normal system would not close the center vents.
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I got too many cars!! Insurance eats me alive. Dave 78 Corvette Stingray - 3k 82 242 Turbo Volvo - Manual - 270k 86 300e 5 speed manual - 210k 87 420sel - 240k 89 560sl - 78k 91 420sel - 205k 91 560sel - 85k 94 GMC Suburban - 90k 97 Harley Davidson Heritage Softail - 25k 00 GMC Silverado 1 ton 30k |
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