1997 GMC Jimmy "change air defrost switch" Questions

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...switch isnt changing where the air blows, it is leading you to the problem. Either the switch is bad or the supply of vacuum to the switch is not there whether it is a loose vacuum hose or a ...

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...air leak sound( on the climate control switch) on all settings except it strangely quits when defrost/combo is selected. I changed the dash switch out and no change. help I had this problem too. On ...

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Question about GMC Jimmy

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Air and heat only blowing out through defrost and floor vents in my 1997 Jimmy. When switch is turned to the main vents nothing changes. Where is the auctuator loocated theat changes airflow? sounds ...

...change to defrost it will not work and i hear like air noise only in defrost mode The switch that controls the defrost, heater and vent settings have gone bad and needs to be replaced. Auto Zone ...

...air blows from defrost, in front window, and it blows out at the feet but the face vents will not allow any air, hot or cold or from outside blow through, what do I do? check the hoses connected to ...

...change it stays at the same position. Then another mechanic did check the hoses and he said there is heat coming from hoses, he put a carboard piece in front of the rad it now has a little more heat ...

Question about GMC Jimmy

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air flow at defrost and floor at the same time BELOVED, GREETINGS IN THE NAME OF OUR LORD, AM MRS MARY DAVID FROM FRANCE, I AM WIDOW TO LATE MR EZURUS DAVID NOW A NEW CHRISTAIN CONVERT, SUFFERING FROM

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...but the air itself does not change with the switch, then its either the switch or the air box. My first attempt would be pull the switch and swap it out-Id try a wrecking yard like Pin N pull ...

Question about GMC Jimmy

1 Answer

...I change my defrost switch air to floor heat air, it stays at defrost air. check for a vaccum leak under the hood.check for vaccum at your vaccum tank.a vaccum leak will cause it not to change

...windshield defroster doesn't work ? When you change the mode switch does air come out of the center vents , the floor ? What I'm getting at does the air flow change when you change the mode switch

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