1998 GMC Jimmy "98 vent defrost switching" Questions

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...vent options 98 Jimmy throws out heat good heat but recently won't switch over to defrost mode. To blow heat on windshield. Only blows air out of front A/C vents. No defrost or No floor heat because ...

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Question about GMC Jimmy

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98' ford f150 v6 Has air but it only blows out the defrost and floor. Why won't it blow out the vents ? Please help I'm burnin up! there are vent doors under the dash that are vacuum controlled by the

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98 mustang ac blows hard on defrost vent front vents stop working whats the problem manual AC or climatic ,if manual its could just be a perished vacumn hose if its clima it could be the computer ...

Question about Oldsmobile Cars & Trucks

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...98 Oldsmobile regency I can't switch them between all setting and it only blow out of the defrost and front vents. I switch it to the floor and it blow through the floor and defrost. I just changed ...

...98 regency brougham with a digital climate control when i switch to turn on defrost the air comes out of the front vents instead of the defrost what could cause this switching f help please Broken ...

98 Ranger SuperCab, and the fan fuction switch only blows air to the defrost & heater vents. The AC, heat and off positions work fine. I took off the glove box and observed that the door to the blower

...off the actuator now it's coming out of the defrost what does this mean 88 olds 98 regency brougham You have lost vacuum from the engine or the vacuum mode switch is leaking in the HVAC control

...may be the cause of a vent system stop working and will not change ac to heat, vice versa. It is stuck in one position, defrost. I have a 98 wndstar. perished vacumn pipe feed to the switch

...98 escort se in defrost mode very little air blows out even when fan is on high , air comes out dash vents selector is in defrost mode but doesnt come out defrost vent for windshield Check vacuum ...

98, heat works through defrost. But the other climate controls for floor and vent don't work? You either have a loss of vacuum to the vacuum mode control switch in the heater control panel or you have

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