MY AIR ONLY BLOWS ON MY FEET, NOT THRU THE VENTS WHAT COULD BE THE PROBLEM
My 2000 astro van has air blowing out the floor but not out the dash board vents during ac operation. Any help would be appreciated. Thanks
I don't have a solution. I need help. I need a step by step diagram of how to fix my problem. PLEASE Can you Please send me a diagram of the system for my 2001 Astro Van to fix my vacuum leak for A/C not coming thru the A/C vents..
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If it is blowing hot air out of the defroster and not out of the heater vents then the door that directs the heat from the defroster isn't working properly it is blocking the heat from going to the heater vents. Also check the cold air door. It sounds like it isn't closing all the way to shut off the cold air and not letting the hot air pass.
There is a thin vacuum hose running across the top of the engine from the front left side to the rear. this connects to the back of your a/c position switch. Over time it becomes brittle and cracks therefore leaving your vents stuck in it's last positon. Cut out the bad section and purchase about 3 feet of rubber hose at the auto store. Take a piece of the bad section with you to see which size hose will fit onto it. Slip it over the cut ends and pass it thru the space where the windshild washer fluid hose is attached to the back wall. This will keep it up and away from the heat. I had this problem on a 1997, 1999 and 2002 Astro and fixed the problem for less that $3.
There is a flap in your heater box that is controled by your vent switch by your heater controls. listen for a vacuum leak. that is common and hopfully the problem. there is vacuum lines that control the vent door that redirects the air to your vents.
Has your dash been messed with recently? if so i would check there first. you should hear a hissing if thats the problem.
Otherwise these also are common for that door flap to break and not switch NE more. thats the only 2 things that i can think of off th wtop of my head to be the problem. this would require the whole dash to come apart if its this problem
The problem is a 1/8 diameter hose that runs from the front of the engine over the top and connects at the rear of engine on the drivers side. It is a vacuum hose #GM15967970 It cost about $6.22 at your GM dealer. Hope this helps Bill. My E-Mail is Uflyups@aol.com