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Why will air only blow out the defrost on S10 blazer?
You have a vacuum hose disconnected or broken. Check under the hood for a small vacuum hose out of place or broken.
Why doesn't heat blow out floor only?
the heat blows out the defrost when it should blow out floor vents only
Why would hot air come out of the defroster and vent work but not the heater on 95 S10 blazer?
What causes heat to only come out of the defrost and vent but not the floor of a 1995 S10 Blazer?
Heat works only on defrost no other vents on 96 Chevy blazer?
Check the 96 Blazer for any vacuum leaks in the system. A vacuum leak can cause the air flow to only come out of the heat vent.
Why does ac air blow only out defrost on 97 lesabre?
you have to trick the ac computer by shuting it off then restarting it...
S10 Blazer Air conditioner is not working the switch on the dash that controls the system doesn't seem to do anything stuck on flowing air out the windshield defrost only?
Check the vacuum supply from the engine. If it is disconnected or cracked the system will default to defrost only.
Air vents on your 2005 f-250 6.0 diesel blow only out defrost ports and not from vent or floor What is going on?
you have a vacuum leak. defrost is the default when a vacuum leak is present.
Why would the air conditioning only blow air from the defrost and floor vents and not the dash vents on a 1996 jimmy?
This is a very common problem and you need to check for a vacuum leak, broken vacuum line or a loose vacuum line......
How do you fix the vacuum line for a 99 GMC safari?
The AC does not blow on the main front vents. Only rear and defrost.
What Reports are available on 1996 Oldsmobile regency 98?
RE: 96 OLDSMOBILE 98 REGENCY ELITE, V-8, 3.8 WHAT PART NEEDS TO BE REPLACED SO THE A/C AND HEAT VENTILATION WILL BLOW OUT OF THE FRONT VENTS AND NOT ONLY THE DEFROST?
Why does your gmc sonoma blow only a little air out and the defrost only blows out the front vents?
why dont bottom vent doors not open on 2001 gmcsonoma
Why does ac and heater on 2000 f350 blow air through defrost when another position is selected ac clutch clicks and air still only blows through defrost?
You have vacuum line leaks somewhere.
