Question about 2002 GMC Safari

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Just bought 2002 gmc safaria and I think the blower is not working well very little air is coming out all the vents

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It might because the is overheated or the water fluid or air pressure is low so you need to go to an auto part shop to get more fluid and it sould work

Posted on Jul 01, 2009

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1 Answer

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Next, I have to check the actuators under the dash. Can you check for hvac trouble codes? Some of the national brand auto stores will check codes for free.

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If you cant hear the blower on the front side, its probably gone out. If you can hear the blower and theres cold air coming out the vent, its the flap that switches from hot to cold thats not working

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1995 gmc sierra heater control prob


Im having a similar problem, sometimes my blower works other days it wont will when it does work no hot air comes out, blower controls change but no hot air, i replaced the thermostat and now my blowers are not working!

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1 Answer

2002 GMC Envoy Blower fan seems to work fine but little air coming from the vents. It seems like the air is spread throughout all the vents including defroster. Where should I start?


The problem is most likely one or more of the mode control actuators or the doors that they drive. Sometimes the doors bind or else the actuator gears break. Unfortunately, these parts are not that easy to get to. Some of the parts can be accessed from under the dash after removing some panels, others are buried. Attached is a diagram of their locations.

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Aug 07, 2011 | 2002 GMC Envoy

1 Answer

1999 gmc safari blower motor works perfect but no air comes out of the ac vents only defrost vent works


you have a sucked shut or broken vacuum line under the hood somewhere. mine was burnt and broke, same problem. it is a little, skinny, hard vacuum line from left side of motor over to right across the front.

Jul 10, 2011 | 1999 GMC Safari

1 Answer

A/C not blowing thru vents just defroster and floor


It is a vent door actuator motor on top of the blower box,the dash has to be removed and set in the seats to replace the actuator motor.Cost for the part is about 50.00 dollars

May 23, 2010 | 2002 GMC Yukon XL

1 Answer

No air coming out of rear vents


check the hoses going to the rear vents.

Jul 02, 2009 | 2004 GMC Envoy

1 Answer

A/C Blows but does not ventilate


Does air come out anywhere? You can hear the blower motor running? Are the cabin air filters plugged.

Jun 11, 2009 | 2002 GMC Envoy

1 Answer

Air Control Fan


No Air coming out... What I would first, is check your Fuse Box, Look for the Fan Fuse & replace.. If Fan still doesn't work, Find your Fan ( Blower ) relay, Should be located on Fender, and Replace.. Finally if Blower still Isn't working at this Point, I suggest changing the Blower, as a Last resort.. Let ME know if this Helps you... Have a good one!!!

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