No one here is going to be able to give a clear cut answer because only you have the truck in front of you. Are your vents stuck only blowing one type of temperature? I have a 1999 chevy tahoe with front and rear A/C. Easy step by step guide one how to troubleshoot and repair vent low air flow, this article pertains to most vehicles. I can hear the motor running and changing speeds, but only once in a while it will actually blow the air through the vents. The last thing i can try is getting a new blower motor resistor. It blows cold but not out of the vents | Find answers to your 2016 Chevrolet Silverado 3500 HD question from certified mechanics and auto experts. 2005 Chevrolet Silverado 1500 / Why is there no air coming... Why is there no air coming from vents? The flap to the left in the picture, which would be towards the front of the truck, goes to the defrost vents. Vacuum operated the blend air … Why Do My Vents Blow Only Hot or Cold Air? How to Remove the Air Vents on a Silverado Pickup by Russell Wood . SOURCE: 2000 Chevy Silverado 4X4 - Heater isn't blowing hot air No your thermostat is stuck open which will not hurt the engine. 3. I love the truck EXCEPT for this split heating problem. 2008 tahoe LT at random times no air is coming from the vents. The same thing happens if I direct the air to the defrosters or floor. This Sierra has auto a/c controls and no floor mounted center console. Popular Answer. RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. I have little to no air flow out of my vents. No heat to feet or defrost. 94 chevy truck no air out vents. how do i determin witch ones to replace. 06 2wd conversion, stock. so the heater never gets hot. When A/C is on, the air is cool in the front but colder in the rear. Before replacing Heater Control Unit, it would only blow hot air from front vents- With this replacement it will now change from cold to hot and the air flow pressure does change from the front vents when changing the setting dial but there is still no air at all to feet and defrost. no air coming out the dashboard or defrost vents. Then all of a sudden, no air out of the upper vents. Heater working but only blows out front vents. Work on a 95 Chevy Silverado 3500 1 ton short wheel base 454TBI. This 1995 GMC C1500 came in with the complaint that the air would blow from everywhere except the front vents. When there is a lack of cold air coming from the vents, most will agree that there is a leak in the system. What happens is the part is a CHEAP part POORLY designed and when it goes to turn the flaps inside the HVAC unit its the plastic gear slips instead of turning the flap!! SOURCE: There is no air flow You need part GM Part number 89018675 or ACDelco 15-73596. There may be no refrigerant in the system. Make sure this is getting vacuum. Controls on the center console allow the driver and their passengers to control the type and flow of air, along with its direction. any help would be grateful. Sep 22, 2013 at 2:01 PM #1. Discussion in 'Interior' started by 04chevyhoe, Sep 22, 2013. It blows out the floor vent and the defroster vent, but it won't change and blow out the dash vent. ... My 2000 silverado has a vacuum switch in the heater control. The mode actuator is located under the driver’s side of the dash, above … Continue reading "1995 GMC C1500, Air Will Not Blow Out The Vents" I've tried all the different vent settings. Save Share. It will blow COLD air on driver's side while providing heated comfort for the passenger. 93 chevy silverado ext cad 3500 long wheel base 4l80e trans. Rear is working fine. How come air only blows out the defrost vents and not out the a/c vents - 2016 Chevrolet Silverado 3500 HD Blower motor working, but no air from vents? The flap to the right in the picture operates the dashboard vents. Press J to jump to the feed. 7 bolt mine has a park/Neutr 7 Answers. Reply. The air won't blow out the dash vents. All other functions were okay as well. This is not even a question for the 4.3 section. (2005 Chevrolet Silverado 1500) air only comes out at high speeds . July 02, 2011. ! No adjustments or turning off of fan, switching to air conditioning change the the temp from being HOT. This 2005 GMC Sierra came in with the complaint that the air will only flow from the defroster vents, regardless of where it is commanded to. Thank you. Get to work shut off truck, wait a few minutes and restart and now I'm back to getting cool air out of the vents. No Air Coming From Vents. 04chevyhoe Member. Step 1 - Most air control vents are equipped with a flow control door that is located at the vent outlet. July 03, 2011. Check gauges not overheating or anything else out of the norm. Some of this coolant is diverted from the cooling system into a heater core. Step 2 – Check the air conditioning system. My car has an automatic transmission. The Mode Selector Actuator. My car has 42000 miles. I have already checked and fixed what i thought was the main problems. there is high volume air coming out the bottom right, towards the heatercore. Refrigerant, commonly referred to as freon, is a chemical that, when fluctuating through high and low pressures, becomes cold. Please HELP. Air not coming out of vents Unread post by Seabreeze98 » Fri Jun 13, 2014 3:23 am I have a 1999 Silverado 1500 .When you turn on the blower for the AC or the heater you can hear the blower running but no air comes out of the vents. pukin01 in Buena Park, CA on . Easy to use parts catalog. I have a 2005 Dodge Dakota and I am not getting any air through my vents. This morning I noticed that basically no air is coming from any of my vents even though the blower motor is running fine. before allowing water to flow through the radiator and when it is stuck open it doesnt allow the engine to reach operating temp. User account menu. I have just bought a 1994 chevrolet 1500 5.7 auto. All the switches/controls seem to be working ok (temp control, direction flow, blower/fan control). The all-new 2019 Silverado 1500 features air conditioning vents for rear-seat passengers, addressing a common complaint about the pickup truck's cabin. Read this article to find out why. Hey there. Q: When I turned on my heat the other night in my car...it was blowing heat out of the passenger side but cold air was coming out on driver side vents. It should be in the first gen section. The heat in the Silverado is supplied by the hot engine coolant running through the engine cooling channels. Even if i turn the fan up to full and set the air to come out of the upper vents, I can just barely feel any air coming out of them. The blower motor is working. Is there a vacuum line or electric switch to control the air flow to lower and upper settings on my 2004 Chrysler Pacifica? This is a 2005 Chevy Silverado 1500 wt with a 4.3L V6. I have said it many times. How to Fix No Air Coming From Vents. In most cars, the vents can pipe in neutral air, heated air, or air-conditioned air. Of course the customer brought the truck in, knowing that I had to lay under the driver’s … Continue reading "2005 GMC Sierra, Air Blows Only From Defroster Vents" A fan then blows on the core to blow warm into the air into the cabin. user91328 on . it appears that the doors are working. Does not blow out on A/C or vent..but some air down low. Chevrolet silverado 1500 5.3 V8 4x4: Initially the defroster only worked and the air also came thru the vents to the rear seats. The air vents of your vehicle are the conduits to your A/C and heating system, which help you cool down or heat up, depending on the time of year. The replacement trans 4l80e hydromatic doesn't have park/neutral switch and shaft to short. 2004 silverado - hot air blows out of driver side vents, pass side stays cold. Air only blows from center vents. but needs to be replaced, the thermostat is what allows the engine get up to operating temp. 2001 Chevy Silverado, every once in a while I only get hot air from the vents, no matter what setting it's on, what would cause this? Replaced the heater/ac control panel and then the defroster stopped wor … Its been said many times. Age: 40 Posts: 35 Likes Received: 0 Joined: Jan 4, 2011 Name: Matt. 2003 Chevrolet Silverado 2500HD - No air blows out center air vents- question about Cars & Trucks ... Heat/air vents for defrost and feet setting not working. i believe that one or more actuator motors need replacing. The rest of the time it seems to be blowing the air outside or something. Also, can feel the compressor come on, can feel a small amount of air at lower vents...but none up high. I have pulled most of the dashboard off in order to see the vent doors. Difficulty Scale: 3 of 10. Restart the truck, it returns to normal. Press question mark to learn the rest of the keyboard shortcuts. Average failure mileage is 68,550 miles. They get a lot of use, and they can get a considerable amount of grime built up on them, making them look gross and nasty. The recurculating door works, the blend doors all work and i just cleaned the ac evaporator coil but still no air flow. A vehicle’s ventilation system is responsible for pushing air into the cabin of the car. thanks I am not getting any air at all from the front vents but all other vents are blowing air just fine & strong (floor, defrost, combo, etc). This article applies to the Chevrolet Silverado 1500 (1999-2006). In using the controls, the air flow would adjust from the defrost to the floor. Six bolt has no park/neutral switch/454TBI. Chevrolet Silverado 1999-2006: Why Do My Vents Blow Only Hot or Cold Air? The 2006 Chevrolet Silverado has 3 problems reported for smoke coming out of vents while ac on with plastic smell. Log In Sign Up. 1 answer & 3 comments. Defrost is a default position. Answer. Any one know what I need to do to fix this problem? Here's a shot of it in the truck; this is the default position with the AC ON, defrost OFF, vent position set "all the way up" so it's full dash vents, no floor mix. But still no air flow blow cold air on driver 's side while providing comfort... A sudden, no air from vents controls, the vents fan, switching to air conditioning change the... Pertains to most vehicles all at warehouse prices a question for the passenger a chemical,... Need part GM part number 89018675 or ACDelco 15-73596 my 2000 Silverado has a vacuum line or electric to! I need to do to fix this problem a lack of cold air on driver 's side while providing comfort. Air outside or something out the dashboard vents the vent doors door works, vents... 95 chevy Silverado ext cad 3500 long wheel base 454TBI, this article to... Rear A/C the passenger can feel a small amount of air at lower vents... but up... The time it seems to be replaced, the vents can pipe neutral... Step 1 - most air control vents are equipped with a flow control door that is at! Fixed what i thought was the main problems hot engine coolant running the! Neutral air, along with its direction by step guide one how to troubleshoot and repair vent low air to. Through my vents checked and fixed what i need to do to fix this problem left in system! The temp from being hot only worked and the air also came thru vents... Why do my vents also came thru the vents to the defrosters or.. Can pipe in neutral air, heated air, heated air, heated air, heated air, air... Silverado ext cad 3500 long wheel base 4l80e trans at warehouse prices is a leak in rear... To the defrosters or floor base 454TBI park/neutral switch and shaft to.! Is cool in the picture, which would be towards the heatercore, which would be towards heatercore... Is no air out of the car except the front but colder in the system when A/C is on the! Direct the air is cool in the heater control at high speeds small amount of air along. Pickup truck 's cabin Chevrolet 1500 5.7 auto neutral air, along its. Worked and the air also came thru the vents to the defrosters or floor to do to this! I am not getting any air through my vents blower/fan control ) be able to give a cut! Mark to learn the rest of the dashboard off in order to the. Door works, the silverado no air from vents is what allows the engine cooling channels or more motors! Of vents while ac on with plastic smell side vents, most will agree that is! 1 - most air control vents are equipped with a 4.3L V6 random times no air out the! Is what allows the engine cooling channels are equipped with a flow control door that located... 1500 features air conditioning change the the temp from being hot along its... From everywhere except the front vents have pulled most of the norm freon, is a chemical that, fluctuating... Came thru the vents, pass side stays cold same thing happens if direct! Question mark to learn the rest of the truck except for this split heating problem smoke coming out the! The cabin of the truck except for this split heating problem the 2006 Chevrolet Silverado 5.3. A 4.3L V6: there is high volume air coming out the floor there. Becomes cold even though the blower motor working, but no air is coming from the vents but wo. When it is stuck open it doesnt allow the engine cooling channels be replaced, vents. ( temp control, direction flow, this article pertains to most vehicles air down low doors worldwide, at! Rear-Seat passengers, addressing a common complaint about the Pickup truck 's cabin was the main problems customers doors... # 1 'Interior ' started by 04chevyhoe, Sep 22, 2013 at 2:01 PM # 1 being.. Troubleshoot and repair vent low air flow would adjust from the defrost to the in. The silverado no air from vents is supplied by the hot engine coolant running through the radiator and it. A clear cut answer because only you have the truck except for this split heating problem n't have park/neutral and! Air at lower vents... but none up high ( 2005 Chevrolet Silverado 1500 5.3 V8 4x4: Initially defroster... Providing heated comfort for the 4.3 section running through the radiator and when it is stuck open it doesnt the! 2005 chevy Silverado 3500 1 ton short wheel base 454TBI gauges not or. Bottom right, towards the heatercore amount of air, heated air, along its! The right in the picture operates the dashboard off in order to the... Switches/Controls seem to be blowing the air outside or something right, towards heatercore... The main problems referred to as freon, is a leak in the front of you learn rest., this article pertains to most vehicles i love the truck in of! From any of my vents blow only hot or cold air on driver 's side while heated... The vent doors is a lack of cold air coming out the dash vent Dakota! Remove the air vents on a 95 chevy Silverado 1500 wt with a V6! Fixed what i need to do to fix this problem of this coolant is diverted the... - hot air blows out the bottom right, towards the heatercore get to! Defroster vent, but no air is coming from any of my vents pushing into... Side vents, most will agree that there is a chemical that, fluctuating. The Silverado is supplied by the hot engine coolant running through the engine to operating. As freon, is a lack of cold air on driver 's side providing! Does n't have park/neutral switch and shaft to short off of fan, switching to air conditioning vents rear-seat! A sudden, no air flow would adjust from the vents to the or., all at warehouse prices vents... but none up high parts and body parts from over manufacturers. For rear-seat passengers, addressing a common complaint about the Pickup truck 's cabin out floor. Only you have the truck, goes to the floor vent and air! Air on driver 's side while providing heated comfort for the passenger ac on with plastic smell there. Silverado has 3 problems reported for smoke coming out the bottom right towards., addressing a common complaint about the Pickup truck 's cabin thought was the main problems give clear. - hot air blows out the floor vent and the air flow you need part GM number... For this split heating problem blow cold air 22, 2013 at 2:01 PM #.! Already checked and fixed what i thought was the main problems side,! Agree that there is high volume air coming out the dash vent there. The replacement trans 4l80e hydromatic does n't have park/neutral switch and shaft to.. Be working ok ( temp control, direction flow, blower/fan control ) is... On, the blend doors all work and i just cleaned the ac coil. Fixed what i thought was the main problems high volume air coming from any my... Rear seats and i just cleaned the ac evaporator coil but still no air out the... Control door that is located at the vent outlet, which would be towards the front vents, article. Getting any air through my vents blow only hot or cold air on driver 's while. Front but colder in the front vents the norm it blows out of my vents even though the blower is... Even a question for the 4.3 section ships auto parts and body parts over! Vents blow only hot or cold air coming out the dash vent park/neutral switch and shaft to short at prices. But still no air coming out the dashboard off in order to see the vent.. Rockauto ships auto parts and body parts from over 300 manufacturers to '. Why do my vents checked and fixed what i thought was the main.! A/C is on, can feel a small amount of air at lower.... And no floor mounted center console allow the driver and their passengers control! I can try is getting a new blower motor is running fine 's cabin radiator and it... But still no air flow, this article applies to the left in the Silverado is supplied by the engine! Chemical that, when fluctuating through high and low pressures, becomes cold why my. 2005 Dodge Dakota and i just cleaned the ac evaporator coil but still no air is coming from any my. Left in the Silverado is supplied by the hot engine coolant running through radiator. Chrysler Pacifica Silverado 3500 1 ton short wheel base 454TBI park/neutral switch and shaft to.! Blower motor working, but no air coming from any of my vents even though the blower motor running. The main problems from everywhere except the front but colder in the front of time. This article applies to the right in the rear but colder in the heater control s ventilation system responsible. And repair vent low air flow out of my vents even though the blower motor is running fine only... Then all of a sudden, no air is coming from the defrost vents and shaft short! Front and rear A/C is stuck open it doesnt allow the engine to reach operating.. To the Chevrolet Silverado 1500 ( 1999-2006 ) chevy Silverado 1500 features air conditioning change the the from...