Question about 2001 GMC Safari

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No air or very little out the front vent lots of air coming out the top

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  • 139 Answers

See if it has a cabin filter its like an air filter it may be clogged or the vent tube to the front vents are clogged.

Posted on Jul 29, 2009

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Posted on Jan 02, 2017

  • 512 Answers

SOURCE: loss of a/c air through front vents

low vacuum...bad check valve o supply line likely cause

Posted on Oct 01, 2008

csmock132
  • 4669 Answers

SOURCE: 2004 GMC Envoy; Very little air flow from FRONT PANEL

Try replacing the cabin air filter.

Posted on Mar 12, 2009

  • 295 Answers

SOURCE: Air is barely blowing out of the vents, hot or cold.

The blower motor resister shorted out common problem. It is located behind the glove box on the HVAC assembly.

Posted on Jul 23, 2009

  • 1608 Answers

SOURCE: Blower air just through defroster vents, not front vents

The problem is that the plastic lines that the air flows through get frail and cracks and breaks.What happens is when the hose breaks you loose vacuum and the system reverts to defrost mode.You should be able to see it from under the hood on the passengers side.You will have to find the area that is broken and then go to the parts store and get some rubber hose that will fit over the plastic hose.Take a piece of the plastic hose with you so you can get the right size hose to fit over it.This just happened to my 97 Astro van.I found the broken hose and repaired it with the rubber line and is working normal now.Hope this helps.Let me know what you find out.Good luck.

Posted on Jul 20, 2010

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1 Answer

AC has barely any pressure unless on high and only getting hot air.


check the cabin air filter if equipped, Make sure that the air is not coming out of the floor vents or defrost. The door that diverts the air maybe stuck, pushing air out defrost/floor vents

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1996 Montero Heater Blower not working


I assume your heater setting is electric control, if so either your defrost and floor heat switch failed or wire problem. For the air not hot, check the heat control valve on the top of the hose it should be in front of the firewall. I don't know your car is using mechanic valve or electric control valve. Anyway check there first. Good luck.

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AC air blowing from top or bottom but not from front vents


check for a bad vacuum hose from engine to cowl area of vehicle

Sep 03, 2012 | 1998 Dodge Intrepid

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The blower works but the air comes out only from the defrost vent


there is a little motor in your dash with a flap that allows air to come forward or up by your windo it might be blown. For your air not being cold check your freon,a/c compressor clutch an your fuse also one moe thing,power to your a/c compressor.

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Cool air comes out of the back unit vents and hot in the front


under the dash on the bottom of the heater box there is a little selector motor most likely that motor has gone bad

Aug 07, 2009 | 2000 Ford Expedition

1 Answer

Air is barely blowing out of the vents, hot or cold.


The blower motor resister shorted out common problem. It is located behind the glove box on the HVAC assembly.

Jul 16, 2009 | 2004 Jeep Grand Cherokee

1 Answer

Loss of a/c air through front vents


low vacuum...bad check valve o supply line likely cause

Aug 12, 2008 | 2000 Dodge Ram 1500 Truck

1 Answer

Little or no air coming from upper front ac vents when in ac mode.


could be that the vents are not in their respective positions,

check for air coming out of the top of the dash board or underneath the dash.

if they are, then the problem is the vacuum switch or loss of vacuum to control the vents..


another problem could be a clogged evaporator coil.

it needs a general cleaning..

tnx 4 using fixya..

drcool

Jul 28, 2008 | Chevrolet Suburban 1500 Cars & Trucks

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