Your Answer: Upload Photo. Thanks. Some of this coolant is diverted from the cooling system into a heater core. but needs to be replaced, the thermostat is what allows the engine get up to operating temp. Blower running but no (or little) air coming out. The unit has a recirculating … Be care ful as one line will be hot and one line cold. Can I just start off by buying a can and give it a refill? This is a 2005 Chevy Silverado 1500 wt with a 4.3L V6. I am having the same problem. Situation, we have a friend that owns a 2017 Chevy Trax LT, she is a nurse who works with my wife, single mom and on a single mom budget. Chevy Truck Forum | Silverado Sierra GMC Truck Forums. It can be tempting to … Chevy Truck Forum | Silverado Sierra GMC Truck Forums. This may not be the correct answer but I get the same problem on my work truck (2005 freightliner) and the problem is that if the a/c is used when temp outside is cool the a/c core or whatever the radiator type thing is under the dash gets frozen over and will not let the air blow through the vents.... Again it might not be correct answer but it's a start.... i'd say that one of your "blend door" actuators is broken. July 30, 2014. The dashboard vents will not blow any air but the defrost and floor vents work fine. New here and searched but could not come up with an answer. 2006 Chevrolet Silverado 1500 / Heater blowing cold air. if dr … read more Popular Answer. It's a 2006 GMC. I think I have pinpointed it to a control head. 2003 2500 HD with a Diesel. They installed the new hose and added … The heat in the Silverado is supplied by the hot engine coolant running through the engine cooling channels. Vents seem to work good until i select defrost and then the flow goes away. So....I turned on the AC and felt the lines from the dryer. 4 ANSWERS. Your gauge should not below about 40 psi when the compressor kicks on. Blower Motor – If there is no air blowing from your Silverado at all, the blower motor is at fault. Mark helpful. Sounds to me like it's still low on refrigerant. One of the most common (and inconvenient) problems with the Chevy Silverado is when it has no heat coming from the heater. CHEVROLET SILVERADO. 1 reply Report. R. Rodz ... 2004 silverado - hot air blows out of driver side vents, pass side stays cold. If I turn off the a/c it will not freeze up. Anyone ever have the evaporator ice up? Every thing appears to be switching in the doors and there is no cabin filter on this truck. 06silverado_inny, you have a temp sensor problem. The 2015 Chevrolet Silverado 1500 has 15 problems reported for a/c blowing hot air. That is usually a flow problem, air … A/c Not Blowing Hard. You probably need to take it to a qualified AC tech and have him pull a vacuum on it. Dealership is at a loss. Oct 19 2011, 6:50pm. 1995. Jump to Latest Follow 1 - 12 of 12 Posts. You've got a bad leak somewhere. 2003 2500 HD with a Diesel. So it was definitely low and I filled it to specs. 2000 Chevy Silverado 4X4 - Heater isn't blowing hot air No your thermostat is stuck open which will not hurt the engine. I have good air circulation when truck is first started then it goes away. on my 2006 chevy truck i found air trapped in the top of the heater core,,, i took the hose off and filled the heater core up and it works great now on them trucks the over flow bottle is lower then the top of heater core,, this will fix it . 2014 silverado ac not blowing cold. Anyone … I had a guy come in to my work this problem with a similar situation and it turned out to be an orifice tube or something along those lines. before allowing water to flow through the radiator and when it is stuck open it doesnt allow the engine to reach operating temp. I also didn't hear the compressor turn on or off at all. 1 Answer 1999 durango vent control switch will not let AC blow threw vents only defrost. Easiest fix for that is get you a couple of shutoff valves at the auto parts and put in line of the heatercore for the summer. 2001 Silverado dash vents won't blow any air. Asked by mhouston in Virginia Beach, VA on . 2005 GMC Sierra 1500 SLE Ext Cab 5.3L 4x4 - SOLD. if not try blowing out the heater core. Blower running but no (or little) air coming out. Sometimes when I unplugged it and the plugged it back in the compressor ran for a second then shut off. Click to expand... Give this a try before you starting taking the dash out and buying parts. Restart the truck, it returns to normal. Have changed the orfice to help get rid of some of the water build up. This is far and away the most common reason that your Suburban’s air conditioner is not functioning. Hi in this video I will show you how to confirm the fix on you vent no blowing air could be in switch panal and could be a vaccum leak in a line under the dash. Apr 01 2013, 4:28pm. Air Conditioning problem 2001 Chevy Silverado Two Wheel Drive Automatic 93000 miles I have noticed that the ac in my 2500 hd duramax, blows cold sometime and warm most the time.I put a portable therometer in the ac vent to read the temp. its like all the air just comes out down on the floor because my feet burn up from it. If it’s not coming on at all, it’s usually either the blower motor or some other wiring issue. all the vents work properly when I switch to floor, or dash, or defrost, the blower motor is blowing hard and works on all 5 speeds. follow me as i show you how to troubleshoot diagnose and repair a non working air conditioning blower fan motor on a 2000-2006 chevrolet suburban. I unplugged the low pressure switch from from the compressor. by 06SiLvErAdO_InNY » Oct 20 2011, 1:26am, problem work thing blower same anyone running coming thanks getting start used still think help sierra stock first, Users browsing this forum: No registered users and 12 guests, New here and searched but could not come up with an answer. My A/C is blowing warm air and this is the second time I have had this problem since buying my 2015 Sierra less than 6 months ago. Not having a functioning heater makes driving much less comfortable, and can be a sign of certain issues. I tried resetting battery and no luck. 2000 Chevy Silverado 4X4 - Heater isn't blowing hot air No your thermostat is stuck open which will not hurt the engine. At the simplest level, there are two main reasons why the heater is not working. Most likely, you have a leak in the high or lo line, or moisture accumulated and blocking a line. basicly your a/c system should unlock the compressor clutch when the temp reaches certain points. Same thing has … I have good air circulation when truck is first ... SilveradoSierra.com - Chevy Truck Forum | Silverado Sierra GMC Truck Forums The only site focused on Silverado/Sierra trucks exclusively. Could also be a stuck duct door, but that's usually less likely. It blows for 10 min., then starts blowing warm air. Both set at 65 degrees and feels like very warm air from outside. If the heat is blowing, but blowing … Anyone have any ideas? vents in dash are not opening and closing properly. also with the car running see if the hoses are the same temp. OK, trying to help my 82 y/o Dad figure out a problem he is having on his 2001 Chevy Silverado. Just changed the cab filters and didnt really change things much. If the line is cold you have a door actuator problem. Photo (optional) Related Questions. it switches form hot to cold but just not enough air flow to to any thing. Most likely, you have a leak in the high or lo line, or moisture accumulated and blocking a line. I have checked the fuses (unless I missed one) and disconnected the battery for a while to try that. Her 2017 Trax about 44,000 miles is out of factory warranty. Browse Categories ... My 1999 chevy silverado 1500 ac won't blow cold air,it seems like the ac/heater control module won't switch over and its stuck on heater.I already had it charged with freon.Is this module costly and how... Purchase a new mode selector … Disconnecting the cycling switch and high pressure switch have no effect. In fact, most won’t even cycle on without the right amount of refrigerant pressure. I have all my speeds and you can hear it running but not getting any thing out any of the vents. Search Fixya. So, I checked my AC over the winter and everything seemed to be working fine as it was nice and cold. Said he sold 4 this year. Have to shut off for an hour or more and try again. They had to order a new hose and it took a week for it to come in. but needs to be replaced, the thermostat is what allows the engine get up to operating temp. The heater in your Chevy Silverado supplies the heat to the cabin. Turn the a/c on and go out and put your hand on the line coming off the dryer, silver canister near the firewall. The compressor still did not run. Today I went to try it again and there ... SilveradoSierra.com - Chevy Truck Forum | Silverado Sierra GMC Truck Forums The only site focused on Silverado/Sierra trucks exclusively. I love the truck EXCEPT for this split heating problem. Chevy Truck Forum | Silverado Sierra GMC Truck Forums. So, I checked my AC over the winter and everything seemed to be working fine as it was nice and cold. The ac gets down to about 69- 70.I have had the freon checked twice. 2006 Chevy 2500 silverado heater/ac not blowing air - Chevrolet 2006 Silverado 2500HD 2WD question. Dealer had one in stock. It is like it freezes up after running above 55 MPH for about 35 minutes. No mouse nest in the box. Heater blowing cold air. Not blowing - New here and searched but could not come up with an answer. Bad switch or something else? Neither line got hot or even warm for that matter. also start the car and see if the water pump is pushing water out of the hose goimg to the heater core. Could also be a stuck duct door, but that's usually less likely. try flushing your coolant system. A few months ago I had the exact same problem and my dealership diagnosed it as a leaking hose and all of the freon was gone. 2014 silverado ac not blowing cold. The fan works on all setting and it gets very hot when I put it back on the hot setting. so the heater never gets hot. when i turn on the heat or a/c an the position is on vents no air comes out of the vents. 2006 Chevrolet Silverado 1500. Usually blows 10 min. Wife goes to work and calls me says the ac is blowing warm air. Jun 14 2015, 10:02pm. also a bad radiator cap could keep it from heating up.let the car run and see if the top hose … I … 37% of the time it's I cannot hear anything kicking on when I hit the AC or defrost setting, but the truck is still new to me and I don't recall if I heard anything before. Answer. The 2017 Chevrolet Silverado 1500 has 4 problems reported for a/c blows hot air. When this switch fails your air conditioning is dead in the water. Aug 12, 2012 | Cars & Trucks. all speeds work fine, an you can hear the blower motor an all. September 01, 2011. More than likely you have lost freon, you can unplug the pressure switch on the dryer and jump the connector to make sure the compressor does engage. Like the vent option is on. Average failure mileage is 27,800 miles. Not a blower motor issue, … Blower running but no (or little) air coming out, Re: Blower running but no (or little) air coming out, Blower not working at all and floor is wet under blower. 2001 Silverado dash vents won't blow any air . Have replaced the actuators, and the main controller. Today I went to try it again and there is no cold. First best thing to do is go get a vacuum evacuation and refill. Lack of Refrigerant– Your Suburban’s air conditioner will not work if the refrigerant has disappeared due to a leak. Average repair cost is $1,200 at 73,800 miles. Both times the freon level was right. A fan then blows on the core to blow warm into the air into the … Usually the compressors leak on these years. Chevy Truck Forum | Silverado Sierra GMC Truck Forums. Chevrolet Silverado 1500 Heater Is Not Working? Still have same problem. I have paid $400 every time this breaks. If your Blower Motor for the AC or Heater suddenly stopped blowing, look here first, it might save you several dollars. Ok...bought the refill can and am going to give that a shot today if the rain lets up. carmaster of Carmasters Automotive on . I have a 2002 1500 HD and the air doesnt seem to be blowing very hard thru the vents. no air coming out of vents. i have a 2002 gmc sierra 2500 diesel. First best thing to do is go get a vacuum evacuation and refill. A/C will blow cold when it is not too hot out. Hello I Just Got A 2002 Chevy Silverado 1500 With A V8 I Think 4.8l To Learn To Drive In. Usually this is a … _____________________________________________. before allowing water to flow through the radiator and when it is stuck open it doesnt allow the engine to reach operating temp. Then if i go to vents it is gone. Hi All. It does it no matter if you are running heat or A/C. why does my heater blow cold air 6 … Blend Door – The blend door controls how much air conditioned and heated air enters the cabin. so the heater never gets hot. I have good air circulation when truck is first started then it goes away. we covered that in class the other day. There could be several reasons why it's not working properly. by 06mainez71 [OP] » May 08 2014, 10:01pm, by 06mainez71 [OP] » May 09 2014, 12:26am, back still today blowing cold bought while long last anything nice truck make first thing problem start, Users browsing this forum: No registered users and 13 guests. 22 people found this helpful. They are not that expensive and are easy to replace (most of the time). Can not get hot air from heater even though temp guage reads normal. if you have air compressor.remove hoses to heater core and try ro blow it out. 2003 2500 HD with a Diesel. 134 freon is cheap get you a can with the gauge and pump it back up and see how long it last. Its a 2001 GMC sierra 1500 HD crew 4x4. Feb 01 2014, 2:57pm. While there are a variety of reasons your Chevrolet Silverado 1500 air conditioning won't work, the most common 3 are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. Chevy Suburban Air Conditioning Not Blowing Cold Causes. 1996 chevy suburban front air not blowing hard through the vents but some air is coming through the defrost vent. Chevy Silverado Forum (GMC Sierra) 2004 silverado-hot air blows out of driver side vents. Worked great yesterday. RepairPal will help you figure out whether it's your Heater Blower Motor, Thermostat, Heater Blower Motor Resistor, or … nbs99 z71 325ci v8, stock 4wheel disc brakes, no cats, flow master classic 40 series, rhino line, custom fog lights, cb, bully dog tunner, 4:10 locker, airbag load leveling, 205,000miles. 2001 Chevy Silverado. When the AC is on, park, pop the hood, and listen to the AC compressor. Evacuation and refill in a line under the dash out and buying parts is gone vents no air from... Dash out and buying parts main controller V8 i Think i have all my speeds you! And didnt really change things much a recirculating … Chevy Suburban air Conditioning not -... No effect wife goes to work and calls me says the AC gets down to 69-... Unlock the compressor turn on or off at all definitely low and i filled it specs! Taking the dash can i just Got a 2002 1500 HD crew 4x4 Forums. Allows the engine to reach operating temp heater is not too hot out get up to operating temp the build. 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