1998 Cadillac DeVille "vacuum blowing air" Questions

...blowing air but, not heating. Sure would likesome heat!! There is a damper (basically a door) in the heater unit that is probably not being actuated.  This damper allows the air from the blower ...

...vacuum to mode control switch in dash ac control. these are not blend doors, they are air flow control, a blend door controls the air temperature not where it comes out. My car is a Cadillac deville ...

...air works but it won't blow out the dash bents only the defrost and the bottom It sounds to me like your vent switch cable is either bound up, broken, came loose, or the vent switch motor is not ...

...blowing cold air out of the defrost instead of the dashboard vents, I was told that a module under the dashboard went out ant it would cost around $750.00 for this part and a additional $300.00 in ...

...blowing outside? Information and fuel systems just show numbers and I can't change them when they come on. The blower is on high. Replaced blower control module. blower works on high or not? not told ...

...blowing heat through driver side A/C vents and Cold through passenger side. Under hood the dryer and A/C lines are nice and cold. Just wondering what might be the problem and how to fix. Any help and ...

...ON....HAVE BUT IN A/C STOP LEAK. ALSO NO AIR WILL BLOW OUT THE VENTS JUST DEFOGGER ONLY? the vacuum lines the control your vents might have wiggled loose or have a leak, same for the hot cold ...

air condition not blow though vents blowing though defrost The blend door may be disconnected from vacuum.

...blowing out of defroster and floor but not main dash vents The dash vents are open and cold air comes out the defroster and floor and rear vents but very little comes from the dash vents. Check for ...

...bottom only...I want to air flow to the front outlet... What is the problem in the air distribution system is blow air only to bottom...I want the air blow to the front outlet... check the vacuum ...