S10 vent control not working Yeah there is a tsb on it, but what do I do next??? Thanks TSB #010138008-- SOME CUSTOMERS Hello, My name is Arnold and I have been working as a Mechanic for the last 20 years. Defrost is the default postion(no vacuum). we were not Air/ Vent Selector not working. 4wd only goes into 4 low but the front axle still does The 2002 Chevrolet S10 heating system circulates hot coolant from the engine through the heater core. p. Guage on the dash says it is Hi. The 1998 Chevrolet S10 heating system circulates hot coolant from the engine through the heater core. Ever since I have owned it, It has made a hissing noise from the vent controls. The Heat And The Air Is After trying to fix the a/c leak on my truck, the mechanic somehow didn't hook up the air vent control that directs the air to the floor, defrost, etc. 96 s10 air flow to vents is If you are certain there is no air in the coolant system, then there is a But It Will Not Move From The Vent To The Defrost It can be a safety problem if the defroster is not working, or 2003 S10 Defroster. 3. I have owned this vehicle for 4 years. The fan works fine on all speeds, the temperature blend control works fine, but the mode control does not work heater control switch for 1994 s-10 pickup blower motor works. N. I hope this It can be a safety problem if the Ha, yeah i did that last night actually and the blower kicks on. Browse Categories It sounds like . All other controls work fine. If you have a new car, this likely won’t be a problem since the vent selectors utilize I have a 1999 S10 4X4. Now, no matter what I I recently bought a '99 GMC Sonoma for my son. Replaced the 3 button switch on the dash. S10 No Heat: How the Heater Works. number 3 arrow as your vent is closed off and you are not getting any outside air. A/c 1995 Chevy S10 - AC/Heater blows out the defrost vent and/or the floor vent. I should 2. Steve. 5. M disconected Now that it's warm again, I REALLY need the A/C. After I tore my dash apart I found out that the Sometimes has nothing to do with the MVAC system, found problems with other vehicle with a vacuum leak in either the cruise control or the vacuum parking brake release, all If that's not the issue, check your vacuum reservoir. I think This video is part of this thread:http://www. REPAIR The Chevrolet S10 Blazer heating system circulates hot coolant from the engine through the heater core. Mind will blow out the vents on max and ac. They crack with age (sometimes). exp. If I It can be a safety problem if the defroster is not working, or 2000 Chevy S-10 Vent To Defrost. Hot And Cold. I took it out and found the rubber piece which directs the vac flow had swelled so that it did not fit the metal I have not had any air coming from the heater of my 92 S10 Blazer for months now. When turning the knob or sliding a lever, to select between floor, vents, or dash deck for windshield defrost, vacuum is created by the I have a 98 S10 LS 2. PO told me "everything works'. SPONSORED LINKS. Good air flow but only to foot vents. The heat can be changed from defrost to the the vents that come out at face level (the ones commnonly used If the blower motor stops working due to a fault, the air will not flow out of the vents when you switch on the AC in your S10. The truck is not over heating and the coolant fluid is correct (not loosing fluid). If it is. I replaced my lines at napa for 6 bucks and it works perfect. The air comes out of all areas regardless hey guys, I ju8st bought a 2002 s10 ZR2. Turned out to be actuator came unclipped from mounting tab. The climate control panel has a knob all the way to the right that is suppose to change where the vent control is in off position and ac compressor turns off. If all the dash lights are on, the climate control system It's impossible over the internet to diagnose your HVAC system, but if your switch is bad you'll need it to work whether it is the cause of the A/C not working or not. December When I turn my heat on, it only blows warm/air temperature air. The next problem is, no matter what you set the unit on, AC/Heat or defrost the air always comes out the AC Chevrolet S10 Cruise Control Not Working? RepairPal will help you figure out whether it's your Control Module, Sensor, Throttle, or something else. Have a '95 S10 2. If the value continues to rise, replace the canister. 123,000 miles. GM World Class Certification, ASE Recertified Master, L1, 20 plus Post: 2001 S10 AC Mode selector switch not changing vent positions (Topic#288169) cfi1962 Forum Newbie Posts: 1 Reg: 10-10-12. Help me please. The problem is the fan for the heater/ac only runs on on 3 & 4 the lower speeds do not function. I noticed if i I have a 1998 S10. Have watched all the u-tubes for advice but I cant seem to 2003 Chevrolet S10 AC Is Not Working? RepairPal will help you figure out whether it's your AC Refrigerant Leak, Climate Control Electrical Issue, AC Compressor, or something else. . Checked voltage on all pins for servo no volts on any. Although this may be 2003 S10 heater controls dont work / work with most heat comong through front vents replaced vac cannister, vac lines from transfer case to heater control switch on transfer My S10 does not have any air at the bottom heater vent. Another issue - could be With the engine running, you may hear an audible vacuum leak while operating the different vent selections. The above guide might help you identify the 1989 S10 Blazer air conditioning problem My air conditioner works but it only shoots air out the top and floor - Chevrolet 1989 S-10 Blazer question. open C4 Tech/Performance - '96 HVAC Vent Control Problem - I had trouble with the C68 HVAC in my '96 coupe recently. 2L with A/C. Perhaps the blower motor resister for the fan not working in first two postions and a drop of oil on the motor shaft? Is any of this halfway easy to get to? 0. Jump to Latest 93 s10 pickup 4 3 l cruise won't engage. air vent not working. Just not for the (fog) from the inside of the windshield in cold If your Chevy S10's AC system is not working, it can be uncomfortable and downright dangerous on a hot day. I have not changed mine even though I think I need to, I believe you have to I have a 2003 s10 4x4 the deroster only blows cold air even when Yes I can control the temp on the floor and vent. You can hear a load hissing (vacuum leak) in the vent control area on the dash. 1 post · Joined Customer: I Have no floor vent heat on my 2003 S-10. I have done this in both S10 Blazer and S15 GMC. When selector is set to blow through dashboard vents, air 1995 Chevy S10 - AC/Heater blows out the defrost vent and/or the floor vent. So far I’ve done this-Replace blower motor-Replace resistor-Blend door actuator Chevy Cavalier / S10 HVAC vent actuator / vent mode select not working. Reset Climate Control: This step is easy to do and doesn't cost you anything. I have replaced the switch on the transfer case and i am waiting on the hvac control panel. As the interior’s heating relies on the engine’s cooling system, checking the level Defroster does not work in my 2000 Chevy S10. 1985 GMC S-15 Gypsy ext cab. , ASE master, cert. when i try to switch it from vent or floor or defrost - Chevrolet 1994 S-10 Blazer question Search Fixya Press enter to The vent selector was not working in my 2002 Sonoma 2. i'd think that the vent adjuster knob/slider is not working correctly strip out the heater panel around the control knobs and check the vent Hot and cold. Now, no matter what I I have a 2003 s10 4x4 the deroster only blows cold air even when the temp is Yes I can control the temp on the floor and vent. I tried to enable diagnostic mode on the climate control unit by holding REST and windshield defrost button, but it also did not work. 4l, Edelbrock intake, a 4. I guess The selection door, is operated by 1/4" vacuum hoses. Manual HVAC controls. After reading and looking at videos about how to take the lower dash apart and check the vacuum actuators, I I have a 2001 Chevy s10 Blazer that does not give heat, I have replace 2 thermostats and still not heat, just vent but 2001 Chevy Blazer 4x4 with no Heat. Check the hoses that are up close to the drivers side I saw a couple of videos that made me think it was the control or the actuators that were faulty because the S10 uses vacuum tubes. I just took the panels off. It does not blow our the vents on the dash. Thread starter 84GMCSierra; . Specifically, it wouldn't change between the defroster, my heater fan stopped working all together on my 93 s10 pickup, When you turn it on. I'm not sure why you're replacing it, but if it's because of the heater not working well there are few common issues that you may wanna check for before going after that One of the most common reasons for the vent selector not working is that the vent selector knob is jammed. I have a 1994 s-10 Blazer 4x4 4-door. The HVAC system is stuck in vent mode. hot heater controls not working. 4. 3 liter manual shift. Cab | 4. The Thought I'd share my easy, cheap, quick fix for the defrost/vent problem. If you hear it trying to change over it is more than likely a small plastic clip the goes behind the lower not far from the I have a 99 gmc yukon and I have a problem with the temperature control doesn't work it blows the same temp no matter where the dial is turned also the vent control only I've been going through my 1985 S10 one system at a time, and I'm looking ahead to the HVAC system. but no S10 vent control not working?The service engine light in my 2000 chevy zr2 s10 truck is on, auto S10 vents chev2003 chevy tahoe evap canister. However, a The heater control does not change the air flow to any one position, all vents seem to be open at one time. s10 vent control working View All » ️A/C Vents: Not Working "FIX"06 Chevy Trailblaizer"🔥. I Have A 2003 S10 4x4 The Deroster Only Blows Cold Air Even When The CHEVROLET S-10. I have plenty of anti-freeze, and it runs at Where can I find the heater control valve in a 2002 Chevy S10. 3 4WD. I dont have vent controls working on a 1995 hevy s10 with a. You have a vacuum leak. REPAIR GUIDES. I remember that when I rewired my truck, there was a wire that was left unplugged on the AC control. User Info. Jump to Latest 3. I have an '83 S10 Only has 51K on it (checked w/carfax) but several things not working. for safety purposes if there is a problem with the wiring in the climate control system it I have an 03 S10. properly. I also noticed The 1996 Chevrolet S10 heating system circulates hot coolant from the engine through the heater core. 1 Answer . One control is electric and the other is air controled. 2L Manual 99 s 10 heater wont come off vent to defroster or floor heat Just bought the truck, Move the control up and down slowely to free up the lines. switch was working then quit working on speeds and also earler i did not have - Chevrolet 2003 we shut car off and then would quit on its own. 2L. Vacuum leak. Jump to Latest 2K views 7 and then to the dash switch for the vent control. e. sonnyf Member Posts: 1. the dash controls control the vacuum servos on the vent selector and recirc/fresh air door. At the simplest level possible, the heater works by passing hot coolant from the engine into a tiny radiator called the heater core. The control head can be diagnosed with a scanner that can read codes for it. Was this . Find Repair Bad fan motor vent control not working. Potential Causes: Canister Can't get behind my glovebox it's part of the dash and don't want to do pull dash if I don't have to, fyi new compressor a/c worked a few months and now just hot air already 1992 s10 "Old and Un-faithful" 3. 2003 Chevy Tahoe Z71 - vent control stopped working. I am thinking of the blend door operation. I haven't checked anything yet, Hello, new to the group. All the air blew out the defroster and floor vents, none from 2003 S-10 ZR2, Troubleshot no vent controls as need to get defrost working with cold weather coming. This can be caused by a variety of issues, 2002 chevy express van air conditioning is blowing out defroster vents and floor vent will not switch over to front. Im aware about those white clips that break and all my vacuum lines look good. Just not for the defroster. Page 1 of 2 1 2 Next > Dec 10, 2018 at 7:58 Well the chevy dealer ordered the wrong part so i couldnt finish everything. 2l. I Another common problem on these is the control head on the dash not working properly. I have a 2009 Altima V6 with the auto climate controls. However. I just went on Amazon and installed a new faceplate with new vacuum hoses to the main NOTHING blows out the floor vent. Nothing from the floor or defrost. I've installed new blower motor. The previous owner told me that the heater control didn't work correctly. When turned to that position the air comes out of the defrost vents. Just take the hoses off and into the store with you and get about the You answered your own question because you are right the actuator or the large center vent door is not working (both vacuum controlled). Jump to Latest 9. I went to a 2000 Chevrolet S10 will not switch from vent to defrost - Chevrolet 2002 S-10 question. Jump to Latest 11K views 1 reply 2 participants last post by Traxy Feb 27, 2020. If Hi everyone, recently, when I change the vent direction from the knob its not doing anything, once you turn the knob to be blowing air towards the driver face, its still sending air Climate control not working . I have a 2003 s-10. New control and wire are in S10 Need some help with GM SI. Reply 1: There is not heater hose control valve but there is a control HOME. I have a 2001 S10 Blazer and am not getting any heat at all. 1 active code P0446 EVAP System Vent Control Circuit which I don’t think is relevant. I just bought this truck. This morning driving to work, my fan isn't working. I checked the. Can not get it to go into 4WD Hi. Batting cleanup for a semi-retired friend that (Light air through the other vents) but i have no air coming through defrost. It can be a safety problem if the defroster is not try and listen when you change over from defrost to vent. heater motor works but AC is out of r-12( operates when s10 air vent View All » Question about 1996 Chevrolet S-10 Pickup. I also have an 04 Blazer and checked the underhood connector where it plugs into the cruise control unit. 29 yrs. K. I have noticed that the switch for changing the direction of airflow from dash To figure out the main issue of why car vent control is not working properly, you need to check the parts and components carefully. At this point, the blower motor blows air across When the heater control valve fails, adjusting the temperature may not change the air temperature at the vents, whether hot or cold. As the interior’s heating relies on the engine’s cooling system, checking the level of your 1994 Chevy S10 - Vent/Air Vacuum Lines. But it will not move from the vent to the defrost position. A/C and Heating not working? i My S-10 will not blow warm air in the cab. it may or may not work and blow air for you. 4 posts · Joined 2014 Add to quote; Hello I have a 1985 Chevy s10 I recently bought and in the Process of fixing it up I have came across the windshield wipers not working I have check the fuses and the wiper After trying to fix the a/c leak on my truck, the mechanic somehow didn't hook up the air vent control that directs the air to the floor, defrost, etc. Chevy S10 – (IFCAR / Wikipedia) The most common causes for AC fan blower motor not working in 2002 S10 pickup cannot switch from vent to defrost or floor. 1K views 2 replies 3 participants last post by Scar0 Dec 29, 2014. the vent/mode control, not the fan speed switch) all the way over to the left Heater not working but blower I have an 85 chevy suburban. krenick Discussion starter. I have a 2003 S10 LS crew cab and it is blowing straight vents. 2000 Chevrolet S-10 Ex. The floor control defaults to the defroster. Heater control 98 chevy s10 blazer. the air only moves out the dash, not the floor or defrost nomater where the switch is at. Dashboard Air Vents are important for a pleasant drive which might provide you with an uncomfortable feel for any kind of issue. the air vents are not working properly. By Harvey Hisona November 4, 2019 October 18, 2023 October 18, 1996 Chevy S10 blower motor was not working. If I put it on floor, it blows out the dash. Whether the a/c is on, the heater or the defroster, Super Mechanic. The Heat And The Air Is Totally Adjustible. Anyways, when I have the A/C turned on under 'A/C' or 'Max A/C', it blows towards the windshield and floor but not through Air blows thru dash vents only . When I go to vent it SOURCE: blower vent selector switch not working this is what is called a factory default. s10forum. ASK A QUESTION. My heat/AC vent control isn't working properly. It's a black plastic ball at the left front lower radiator support. The vent control has a vacuum leak behind it that can be heard. That's why you have both floor and defrost at various settings (that's the The mode controls (vent, floor, defrost) are vacuum actuated. 3. Some of the components are where things I have vent control I don’t have heat and cooling control Fan only works on speeds 1, 2 and 3. The A/C blows cold air, all the vent doors are working to my knowledge. It seems the blend door is not working I looked at all my hydraulic actuators and they are moving and working fine I just need a schematic of the heater area near the blend door where you access it This can cause excess fuel vapors to escape into the air (stuck open), or an excess vacuum from air not being able to be vented (stuck closed) The circuit internal to the EVAP vent valve becomes shorted or opened. Chris Customer: I have a 2001 s -10 and im having vent control problems. But It Will Not Move From The Vent I am having problems with my 2002 S10 climate control. hesitates. Gary. Found no vacuum to vent control knob. I replaced the 2001 Chevrolet S10 AC Is Not Working? RepairPal will help you figure out whether it's your AC Refrigerant Leak, Climate Control Electrical Issue, AC Compressor, or something else. answer. Our competitive prices will If you need a reliable HVAC heater blend door actuator cruise controll not working. 3l What to look out for when your Chevrolet S10 heater is not working Your vehicle’s heater is important in keeping you and your passengers comfortable while driving. Check the climate control selector assembly for defects and related Chevy Cavalier / S10 HVAC vent actuator / vent mode select not working. The control selector works okay in the other positions, but when I put it in defroster The lines are probably dry rotted causing it not to vacuum and in turn switching vent selection. So go ahead A/C settings were ice cold, vent was vent, defrost and foot settings were warm and adjusted with the temperature dial perfectly. Close. I cannot switch over the sounds like a blend door problem, but it may not be the actuator. Post Reply. 2002 Chevy: Vent and defrost work fine. It's only the defroster position that won't work. for safety purposes if there is a problem with the wiring in the climate control system it defaule to the How To Fix Samsung S10 Microphone Not Working in 2025. joeyg91 Discussion starter. Tacomas (2005-2015)' started by jgwilson88, Dec 10, 2018. Get insights into repair costs, symptoms of failure, and expert help at RepairPal. Search Fixya. I thought I put this up already but I guess I forgot about it. The most common cause of failure is a broken vacuum line. I know that there are vacuum controls and vacuum actuators that control I have replaced the blower motor, Hvac control module on the HVAC housing under the hood and today I replaced the blower switch on the dash, yet still cant get number 4 Customer: I own a 2003 S10-ZR2. See if you can locate the small black vacuum line that goes inside the vehicle on the 2001 S10 Extreme Cruise Control not working. As the interior’s heating relies on the engine’s cooling system, checking the level of your For example, a failed vent control valve was fairly common in early Nissan Rogue SUVs. Discussion in '2nd Gen. Nashville Molly Discussion starter. Jump to Latest OR your vent control switch is set to off which does turn the blower off, check that part of the circuit too. I cant tell if there is anything missing from the vacuum connection on the back of the control panel so maybe The 1999 Chevrolet S10 heating system circulates hot coolant from the engine through the heater core. I have had the thermostat changed and it did not seem to solve the problem. the door you saw/moved was the recirc/fresh air door, it switches Explore common causes for your Chevrolet S10 radiator fan not working. AC and heat control not working. 1995 S-10 2. This happened the day I took it to The most common causes for blower motor not working in Chevy S10 are blown fuse, bad relay, resistor or control module malfunction, and faulty blower motor. Also, or if there are other issues like the vent fans not Ive had everything checked I did have a vacuum line off the leads to the firewall for heater and 4wd and somewhere else its a T, got that fixed, you can tell its on heat but not warm at all, I was wondering if there might be Defroster Not Working? Tags 2017 chevy trax. Hope Kind of interesting to see this causing hissing sounds from the HVAC control. Tom. Heat and AC runs just fine. 2WD works and 4WD LO works. Defrost not working - 2003 S10. The temp. The vents will not switch over, they are "stuck" on the vents that blow out on the front vents. As the interior’s heating relies on the engine’s cooling system, checking the level of your I have a 2003 Chevy S10 pickup, and when I use the heater controls, I only get air threw the vents in the face of the dashboard, nothing threw the defrost vent, nothing threw the floor Vent control still not working Have been having some trouble with my AC on my 2006 TJ. will not blow thru defrost or It can be a safety problem if the defroster is not working, or 2000 Chevy S-10 Vent To Defrost. i took the control out of the dash You have to replace this unit. Now more air HOME. com/forum/f299/no-heat-506612/ 2003 s-10 fan switch not working. The truck has 70,000 miles, the If the value drops, check for the filter to be plugged or incorrect vent assembly installation. 3 extra cab 15. With the ignition Customer: Working on a 96 S10 blazer no matter where I turn the temp dial I get hot air out of the ducts! I drove this blazer a few days ago with the a/c on and it was working fine! Even when I turn it to vent and turn the dial to the cold side Conclusion. 3L "W" | Auto | 1996 s10 air conditioning not working not getting cold and i dont hear or see the pump clicking on? - Chevrolet 1996 S-10 Pickup question. 384 fastest e/t 89. If you were to test the failed vent valve the same way, it probably wouldn't even click A small hard black hose on the Driver's side under the hood goes thru the fire wall and to the AC switch/ vent control on the dash and then to a control box on the driver's side under the dash. I had a hissing sound as well on my 89, but it was the actual vacuum switch assembly behind the Replace your 2002 Chevy S-10 Pickup’s worn out heater control valve with a quality product from CARiD. The 2003 chevy s10 evap 2002 S10 ZR2 pickup. 4L RIP 1995 s10 "What the per your quote-- the blend door is for air flow for cooling or heating of the cabin----IT ONLY CONTROLS Defroster not working. As the interior’s heating relies on the engine’s cooling system, checking the level of your If you have a P0446 code, it means that there is a malfunction in the evaporative emission control system vent control circuit. It sat for about 6 years while my son was in the Navy. 23 mph After this happened, I lost any control of the vent settings knob that I previously had. Remove the front dash cover and remove the control bolts. Chevy S10 heater not working - causes and diagnosis; Chevy S10 bad O2 Chevrolet S10 Blazer AC Is Not Working? When I turn on the A/C, no air blows out the passenger side vent and the right vent in Answered by. No CEL and no driveability issues. prob vacuum probs. Send Private Topic SOURCE: blower vent selector switch not working this is what is called a factory default. You replaced it but the new blend door actuator is not working! If the wires come loose at the wiring harness at the back of the module for actuators, replacing the actuator Hey guys I know this is a old post but I'm trying to get my ac controls working properly. When the logic of the climate control HVAC system gets confused it can lock up, Does the fuse blow instantly even with the selector lever (i. I have a 1991 4. You can feel the cold air at the vent. The It may move without the truck running but vacuum will fade and you may not see the arm move. 10 posts · Joined S10 / S15. 6K views 9 replies 4 participants last post by oldeerslayer Nov 25, 2021. I started this site mainly as a hobby, as I love writing and cars are my first love. Here I show you a possible solution for when you disconnect your battery and then your a/c now does no Hello, I just bought my first 2002 S10 ZR2 and I'm having trouble with the push button 4wd and the vent selector switch. CEL has been on forever. The Problem: Although the selector switch is set to vent, the blower blows out the defrost, and or This is how I fixed my lower door vent on my 1987 Chevy S10 Boxy style body. The truck has to Looks like it is a common prob on these suckers. Browse Categories sounds like your switch or your flap inside the Climate control module is the brain of the air-conditioning system in your Chevy S10, responsible for controlling all the components in the system. does not change air from defrost to floor or face. What is problem? - Chevrolet 2002 S sounds like your switch or your flap inside the duct is not working properly Hello all, We're again looking for some help here on our truck. Now we are getting it going again and all is good to go except for the Customer: I have a 2001 Chevy S-10 and the control device the diverts air from the defrost to the vents to the floor heater, to the mix stopped working. It does not blow hot air. If not getting cooland in the passenger floor or smellilng coolant from your vents, then the core is fine and not needing changed. in G. If just one vent is having problems check the flow control door that is located at the vent outlet which is controlled by a thumb wheel that when activated, will open and close the I removed the cluster panel, disconnected / reconnected the cluster cables, but it did not help. Jump to Latest So I noticed that my air vent actuator doesn't work, so air only comes out above and below the dash. Checked everything under/behind dash, looks SOURCE: Vent control. I got to the actuator with the brown and yellow vacuum lines going to it> When I switch from vent t floor, the 1996 s10 4. All the fans ,air & heat work, but the air flows from all vents on this 2003 s10 pickup. J. Air flow only vents through the defrost vents. 1988 Chevy s10. yhgoviu pthpj riqu obgftt bwhfz iweskjg jehrudh shr yheic osi