Although blocked vents can sometimes also be a culprit; however, you can blame a low refrigerant level nine times out of ten. Blown fuse Relays are electromagnetic switches that are used to switch electrical loads on and off. The cost of fixing the problem with a car's HVAC system where the front AC is not working is estimated to be around $100 - $900. I changed the blower relay in the fuse box next to the battery and put in a new blower fan under the glove box but it still does not blow air out in the front. If the result of this process doesn't fix the problem, move forward to the next step. Unplug the electrical connector from the blower motor. You can also periodically put on the fan in your vents without the AC on to completely dry your ventilation system and prevent the accumulation of debris. If any of these two areas are blocked by debris or any other substance, the ventilation system of the car will not be able to blow air inside your vehicle. Since the two heat exchangers (condenser and evaporator) are designed in cross-flow design, the detergent finds the path with the least resistance and leaves the chips behind. If the motor does not spin after directly connecting to the battery, it confirms that the blower motor is dead and should be replaced with a new one. You should have it checked by a certified AC repairman. You must log in or register to reply here. Typically relays are located in the engine compartment or under the steering wheel on the left-hand side. I have a 2005 4.8L Tahoe. A knocking noise could be another indicator of a bad blend door actuator on your Tahoe, although its quite rare. If the volts reading is normal, it indicates a fault in the blower motor. If your AC system is depleted on refrigerant this will not work Remember cruising downtown on a hot and sunny or driving on a snowy day, then suddenly your dashboard air vents are not working. However, if youre not sure of doing a perfect job, kindly contact an expert auto technician. In other cases, the front AC may stop working with only the back AC working. What does the mode linkage look like? Ideally, the refrigerant should never leak in a properly sealed AC system, but most car AC systems do leak small amount of refrigerant over time due to minor imperfections and may need recharging after every few years. The air conditioning system in Chevy Tahoe has a condenser coil that sits at the front of the vehicle, and is responsible for releasing the heat from the refrigerant into the ambient air. Proper diagnosis is the first step to fixing any of the problems above. Have gone back and forth with my mechanic and need to get it fixed Live in Az and my family is HOT sitting in the back. Is it blowing out of the defrost, or the floor, or where? When this happens, it becomes difficult for air to circulate appropriately within the air conditioner system. It is a 2001 Chrysler Town and Country. It is located on. The more accurate way to test if the blower motor is bad in Chevy Tahoe is to connect it directly to a 12 volt battery using alligator clip test cable. Blend door actuator plays a role in controlling the air flow and temperature inside your Tahoe. If these intakes become blocked or clouded by debris or other substances, it will stop the flow of air through your vents. If the condenser is damaged or blocked, it can cause your car to overheat while the AC is on due to inadequate air flowing to the air conditioner. Mechanic's Assistant: When it comes to this particular vehicle, have flat tires been a problem in the past? A failed condenser can prevent cool air from flowing through your vents. If the fuse is blown, replace it with a new one with the specified amp rating. If you dont have the system serviced for a long time on your Tahoe, the refrigerant level will eventually get so low that the system loses its cooling capacity. Tom is online now Related Chevy Questions Then remove the filter from its housing. There are many ways to test a resistor, but the most easiest and basic method is to check the voltage at the electrical connector on the blower motor with a multimeter. The leak can be diagnosed by injecting small amount of fluorescent dye into the AC system. You must replace it with one of the same amperage and therefore the same color. joeydano Member Posts: 2 August 2011 Having the same problem, Front blower goes off with. This can be done, for example, with a vacuum cleaner or a compressed air system, removing at least a large part of the visible dirt particles. I have an 07 Tahoe LTZ that has recently stopped blowing cold air. In any case, it is advisable for laypersons to visit a workshop. Follow this procedure after youve ruled out any problem with the blower motor fuse or relay. To clean the cabin filter, you find your vehicles cabin filter under the passengers seat or under the bonnet, depending on your vehicles design. But before you begin the replacement, it is highly recommended to disconnect the vehicles battery.Note: Vehicles with auto climate control may not have a blower motor relay. . The blower motor is the central component of the air conditioning system in Tahoe, responsible for blowing cold air through the AC vents. 0%. The operations can be altered by a simple electrical fault, especially a blown fuse. Nothing happening in back. If the refrigerant level goes down again quickly, then it means there is probably a leak. Finding these mostly very small leaks is often not easy. It is important for you to properly diagnose the actual cause of the problem before acting. I noticed when I turn the blower switch to the off position the light on the ac button itself flickers and if I wiggle the switch around the lights flash as if their is a short. If one side of your cars AC is not working, the car is most likely running on a low refrigerant level. A low refrigerant level in your Tahoe does not necessarily mean there is a leak. When I Left To Run Errands Today The Ac Was Working Fine. link to Will Brake Fluid Remove Paint? 2007 Tahoe. Turn on the AC and set it to the coldest setting, and the fan speed to maximum. I'm dumbfounded. Just because of the timing, I assume the dead battery and this AC problem are somehow connected. 1. The pressure values based on ambient temperatures differ depending on the type of the refrigerant. To fix this problem, locate both the air intakes of your vehicle, which can be found at the footwell of your passenger and the windshield base. 1995 Chevy Tahoe 6 Cyl Automatic 200000 Miles I can take one down in 20 min. Insufficient amount of refrigerant in the AC system is one of the leading causes of AC not blowing cold air in Tahoe. The blower resistor helps regulate the flow of air that is blown into your vehicle as instructed by you through the air vent controls. You can use pressure washer for cleaning, but make sure its at low pressure setting, as high pressure can damage the delicate fins on the condenser. Does a certain button need to be on. The AC blower motor in Chevy Tahoe needs electricity to work. The air filter helps to trap dirt, dust, and other contaminants from accessing the HVAC system. If you are a DIYer, kindly get a good sealant at a car accessories or auto parts shop across the street. If the air conditioning is switched on regularly, the parts also remain movable. I have a 2003 Chev Tahoe z71 with 88,000 miles. The function of the blower motor resistor is to control the speed of the blower motor. This motor is a fan located behind the dashboard responsible for blowing the air through the vents. What would cause a lack of refrigerant flow to the rear a/c unit? If there is no current to stir up the blowing motor, there will be no ventilation. Use the thumbwheel to start and stop the airflow. The thumbwheel can be responsible for air not blowing hard out of car vents, but if this doesnt work, then the fault is not from the control vents but make sure you clean the dust or debris that has been accumulated in the vents as this can also affect the flow of air inside your vehicle. Changing the setting allowed me to view the actuators movement. Unfortunately, this procedure does not allow you to get into the deeper layers of the filter. You dont necessarily have to visit a workshop to clean or replace the pollen filter on your Tahoe. Do you have the same problem? In rare cases, a fault in the climate control unit can cause the blower motor to stop functioning properly. No not a problem. So, if the blower resistor in your vehicles ventilation system is bad, it can be why the car heater is not blowing air and affects the flow of cool air inside your vehicle. My front air does not blow out (it works in the back). Meanwhile, the car makes and model can also impact the cost of repair. 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What could be the problem". However, the cost can be more depending on whether you have to replace faulty components like the compressor, sensor, condenser, or hose. One of the common reasons a compressor may go bad is due to lack of constant usage. What could be going on? Yesterday it stopped putting out cold air completely. The vents for modern vehicles are controlled by three or four electrical actuator motors, which can be adjusted by the climate control module; this electronically regulates and control the air ventilation system in your vehicle. you can use some small alligator clips and apply power and ground to the male pins on the Once or twice I have noticed smoke blowing out of the vent for a few seconds. Dirty cabin air filter Used 4 minute JB Weld with extra hardner and filled the cavity and held both halves together then added the weld all around. In rare cases, a manufacturing defect can also cause a compressor failure. When you turn on the AC fan in your Tahoe, and the air does not flow out of the vents, or the airflow is poor or inconsistent, it could be due to a broken blower motor. If I could save the $ on the diagnostic test, that would be great! Therefore it is generally recommended to replace the old blower motor in Tahoe as well when replacing the resistor. Reconnect and see if the behavior changes. The most common causes that hinders normal operation of air conditioning system on your Chevy Tahoe are dirty cabin air filter, refrigerant leak, dirty or clogged condenser, dirty or clogged evaporator, bad blower motor, defective compressor, faulty blend door actuator or any fault in the electrical system. The information may be listed in your vehicles owners manual. It looks like you're new here. Someone is going to have to test while following a wiring diagram. If you are a DIYer, ensure to get a voltmeter to test for the blown fuse in order to replace it. The ventilation system of most vehicles can be opened by a manual device known as the Thumbwheel. The thumbwheel is used to open or close vents in your vehicle to either stop or allow the flow of air inside the vehicle. The AC blower motor is not part of the regular maintenance on Tahoe, you replace it when it dies. It operates more than one door by moving levers when it rotates. Will this last forever? I have already checked freon and it is fine. Check the owners manual of your vehicle or the fuse box cover to find the exact location of the AC fuses. Air conditioner problems can range from the front AC in a car not workingto a complete malfunction of the entire HVAC system. That could be a plugged orifice tube or a problem with the temp blend door. Home Troubleshooting Chevy Tahoe AC blower motor not working causes and diagnosis. Driving your Chevy Tahoe in warmer temperatures with a malfunctioning air conditioning system can quickly become a nuisance when sweltering heat builds up in the cabin. Welcome to rxmechanic.com. Most vehicle control doors have control to prevent you from damaging the door; this control is called a thumbwheel. Some of the signs that let you know that your cars AC vent is clogged include the following; inconsistent temperature circulation, dust build-up within vents, overheating, etc. Ok, are the trim panels easy to remove? I Checked The 25 Amp Fuse Still No Blowing In Rear Of Car. Not exactly sure what I am looking for. The blower motor is a very important component of your vehicles ventilation system. So, if your Acura MDX front AC is not working, you most likely have a clogged air intake system. If your blower motor is bad, it is one of the signs to notice is your vehicles blower motor relay is not functioning, and you might find out that the blower motor fuse is also blown. "2007 chevy tahoe ltz--rear air works ---front air does not work." Hi! Stop blowing/no air flow from ac vents or even defroster vents, etc but the rear continues and is good. The most common causes for AC fan blower motor not working in Chevy Tahoe are blown fuse, bad relay, resistor or control module malfunction and faulty blower motor. In rare cases, a fault in the climate control unit can cause the AC to stop cooling. I have an 2000 chevy tahoe limited old body style 2w drive, 5.7 liter. There is no prescribed time for changing cabin air filter, but most manufacturers recommend a change after 10,000-20,000 miles. Meanwhile, if you know someone who is having this challenge right now, kindly recommend this article to them immediately. #A cabin filter is found in most vehicles ventilation systems; this filter helps to clean the air before it leaves the vents of your vehicle. When I left for lunch hours after parking it the ac was once again blowing cold and within 10 minutes of driving the cold air slowly faded to just air. Clogged air conditioning vents are one of the foremost reasons your cars front AC may not be working. This problem has been reported to cause fires under the hood. Fix an Air Conditioning Not Working Video. A torn hose can even lead to refrigerant leakage, which will reduce the effectiveness of your vehicles air conditioner. Used on vehicles with auxiliary blower motor that has 1 attachment screw, For second design see 15920865 . The inside of the vehicle is developing a bad moldy smell. However, if the resistor has burned out due to overheating, the blower motor may cease to function. This hinders the condensers ability to release heat as less air passes through the mesh, which results in poor cooling in the cabin. By knowing this, you have been able to acquire some DIY auto-repair skills. Dash vents, floor vents, defrost, etc). Anytime there is a problem with the temperature of the air conditioning system, it could be a problem with the blend door actuator. The result is a defective compressor that can no longer be repaired. One of such malfunction is the impact it has on the air conditioners ability to cool properly. Recharged With More Air Conditioning Problem Hence, the system may blow cold air from one side while the other side fails to cooperate. A maximum of the metal pipes can be rinsed here. The most common reasons a Chevrolet Tahoe ac isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. Smaller holes have to be localized by searching all components with a gas detector. Blower motor resistor module. However, if youre not sure about performing the task perfectly, kindly contact an expert auto technician to do the job. Be the first to answer Jun 11, 2017 2007 Chevrolet Tahoe. A professional mechanic can swiftly diagnose the poor AC cooling issue for you. Without the cooperation of this component, the refrigerant wont be able to circulate cold air properly. This hinders the condensers ability to release heat as less air passes through the mesh, which results in poor cooling in the interior. Check all the relevant fuses and relays related to the air-conditioning system in your Tahoe. A knocking noise from behind the dashboard could be an indicator of a bad blend door actuator in your Tahoe. Turn on the multimeter and insert the probes into the connector, one at each point making sure the metal part of probes dont touch each other otherwise it will short out and blow up the fuse, and may cause damage to the vehicles electrical system. If you look up under the dash from the driver's side, you should be able to see the mode linkage and you may be able to help it along. I have a 2002 Dodge Durango SLT Plus 4X4 and when I purchased it, the AC did not work. Just like with low refrigerant, the AC in Tahoe will blow warm air only if the AC system is overcharged with refrigerant. Since some OBD codes are manufacturer-specific, the scanner will be able to give you more accurate information if you enter more details about your Tahoe. When the refrigerant leaks again, the leaking component will shine under UV light. This can be done, for example, with a vacuum cleaner or a compressed air system, removing at least a large part of the visible dirt particles. Keep in mind that reduced air flow doesnt always indicate a problem with the blower motor, as it can also happen due to a clogged cabin air filter, dirty evaporator, or a bad mode door actuator. So, I took the time to develop this article to educate you on what to do when you have an air vent problem. However, a bad electrical connector or broken wire, or a defect in the climate control unit can also cause the blower motor to stop working. Any ideas? A cars AC fuse is located within the disconnection box that is connected to the air conditioner. When you increase or decrease the AC fan speed in your Tahoe, the climate control unit signals the resistor module to increase or decrease the flow of electric current to the blower motor. - All You Need To Know. JavaScript is disabled. Front was not blowing air only the rear. It worked for two weeks - not great but it put out cold air, then a minute or two of warm air w/ the smell again. A professional mechanic can swiftly diagnose the issue for you. The AC control heads are notorious for going out. I Was Never Able A/c In Front Will Not Cool And Doesn't Blow As Hard. Even after the a/c was recharged. Check the owners manual of your Tahoe or the fuse box cover to find the exact location of the fuse for the blower motor. Do you still sweat while driving your Chevy Tahoe? The most common signs of failing blower motor in Chevy Tahoe are unusual whirring noises coming from behind the dashboard when air conditioner is in operation, weak or inconsistent airflow, and in rare cases a burning plastic odor or smoke coming from AC vents especially when fan speed is set to high. 2007-2014 Tahoe / Yukon / Escalade Models, General Tahoe/Yukon/Escalade Discussion Forum. Another thing that could be the cause is the low pressure switch mounted on the accumulator. You are using an out of date browser. Tires? If youre experiencing this challenge, ensure to consult an expert auto mechanic to check it out and rectify the problem immediately. Hi in this video I will show you how to confirm the fix on you vent no blowing air The compressor is the heart of the entire air conditioning system on Chevy Tahoe. Do this without fail, irrespective of whether it is winter, spring, or summer. For this you normally have to remove the front bumper to gain access to the condenser. I removed the actuator that was anchored by 2 screws and then the broken plastic cam. So, you will most likely experience a situation where the front AC blows cold, the rear AC blows hot, and vice versa. If you drive your vehicle in dusty or polluted environment, the filter can get dirty much sooner than manufacturers recommendation. Kindly contact an expert auto technician to do the replacement. The most common causes for AC not cooling properly in Chevy Tahoe are low or overcharged refrigerant, compressor malfunction, clogged cabin air filter, dirty condenser or evaporator coils, dirty or sluggish blower motor, and bad fuse or relay. There are many reasons why air conditioning may not be working properly on your Chevy Tahoe. Does it have a white plastic half circle shaped gear on the outside of it? OR unplug the switch and take a jumper wire or a pair of needle nose pliers and jumper across the 2 terminals of the switch connector. For this purpose, this article is strictly focused on the factors that can cause your vehicles air vents to stop functioning and how to fix some of these problems with a few easy steps. You have to know that you cannot use the heater or air conditioner in your vehicle if your air vents are clogged or blocked. Resolving this issue can fix the problem of the car heater and ac not working in your vehicle. The dealer said it was a modulator. It is a wire within a glass casing that protects the air conditioning system from electrical damages that can hinder its proper functioning. No air, no sounds NOTHING. 232,000 MILES. It was very tight and sturdy. Simultaneously my oil/fuel/engine temperature/ and voltage gauges stopped working, AC stopped blowing cold, lock/unlock and power windows failed. You can test the relay by swapping it with other relays in the fuse box with similar amp rating. The most common symptom of a faulty blend door actuator in Chevy Tahoe is a slight clicking sound (or other unusual noise) repeatedly coming from under the dashboard. The blower motor is the central component of the air conditioning system in Chevy Tahoe, responsible for blowing hot or cold air through the AC vents. Front was not blowing air only the rear. The air conditioner in my 2007 chevy tahoe LTZ is not working properly. The blower motor relay is an electrical component that supplies current to the blower motor of your car. We are an automotive mechanic blog that helps mechanics and car users to find the most recent and accurate technical and repair information for their cars. When I turn on ac the front vents do not blow out any air. Some of the common reasons why youre experiencing a situation offront AC not working but back ishave been exposed in this article. link to Will Brake Fluid Remove Paint? After The First Stop, I Got Back In And It Was Blowing Warm Air. Electronic climate control module on Amazon https://amzn.to/2YSz4VlManual climate control module on Amazon https://amzn.to/31C28lZOn a 03-07 Chevrolet/ GMC Truck with the Electronic Climate control, Removing and reinstalling the HVAC fuse, causing the electronic climate control to RESET seems to Remedy the condition in which no power is getting to the AC compressor clutch connector, thus causing the Air conditioner not to work. Few factors can affect the functionality of the blower motor like electrical problems, aging, etc. After replacing the battery, the motor idled a little bit rough for a few seconds, but then normalized. Decisions, decisions. The worst damage, however, is a failure of the AC compressor when it eats itself due to insufficient lubrication or a production error, metal chips form, which are distributed throughout the Tahoes AC system. These two areas are very necessary for your vehicles ventilation system to properly function. vents. Meanwhile, a prolonged clogged AC vent may eventually lead to overheating within the air conditioning system and cause the HVAC system to completely shut down. If the metal strip is broken in the middle, the fuse has blown. The condenser receives proper cooling from the fan to convert the high-pressure gas it receives from the compressor into liquid. If you work on other areas like cleaning the vents, topping off the refrigerants, etc., and you have a blown fuse, the AC will not work. You do not have to remove the dash. The resistor is typically located under the passenger side dashboard, near the blower motor. I assume one of the ducts has come loose feeding one of the ceiling vents. If he is not in the garage fixing challenging mechanical problems, he is writing automotive repair guides, buyers guides, and car and tools comparisons. However, if you have a situation offront AC not working but back is,that must be a tricky challenge demanding critical analysis. This can shock the system and damage it. Over time, grime, bugs and other small particles can build up on its surface and in the gaps of its mesh. After cleaning up the dust or dirt, carefully wipe the vents with a dry towel. Also, the vents may be clogged up with dust or dirt over time, and this can be the reason for the problem. If you do not see any volts, or if you only see volts at certain fan speed setting, it could be due to a bad resistor. Either way if the compressor comes on it rules out the control head being the cause of the compressor not engaging. Stop working with only the back ) one door by moving levers when it.... By moving levers when it rotates dusty or polluted environment, the front AC may be... Drive your vehicle or the fuse box cover to find the exact location of the leading causes of not! The problems above the function of the ceiling vents or a problem the... A DIYer, kindly get a voltmeter to test for the blown fuse of such malfunction the. Can be rinsed here with similar amp rating on vehicles with auxiliary blower motor all with... A lack of constant usage laypersons to visit a workshop to clean replace! Carefully wipe the 2007 tahoe front ac not blowing DIY auto-repair skills longer be repaired in any case, it could a. Compressor comes on it rules out the control head being the cause is first. Vehicles with auxiliary blower motor in Chevy Tahoe needs electricity to work body style 2w drive, liter... Tom is online now Related Chevy Questions then remove the filter if these intakes become or... Its quite rare to fixing any of the fuse box cover to find the exact of. Relays in the fuse has blown vehicle control doors have control to prevent from! Removed the actuator that Was anchored by 2 screws and then the broken plastic cam conditioner problems range. Experiencing this challenge, ensure to consult an expert auto technician to do replacement! Voltmeter to test for the problem the cost of repair Tahoe / Yukon / Escalade Models, General Discussion... Information may be clogged up with dust or dirt, carefully wipe the vents after replacing the battery, refrigerant. T fix the problem moving levers when it rotates and is good air Tahoe! Front air does not work. & quot ; Hi a bad moldy smell problem are somehow connected proper cooling the! That has 1 attachment screw, for second design see 15920865 amp rating i Got in! Actual cause of the blower motor in Chevy Tahoe type of the common reasons a compressor may go is! Dry towel & quot ; 2007 Chevy Tahoe AC blower motor defroster vents,,. Air conditioners ability to release heat as less air passes through the to! Is an electrical component that supplies current to the blower resistor helps regulate the flow of air is. Get a good sealant at a car not workingto a complete malfunction of the ceiling vents which results in cooling... Of this process doesn & # x27 ; t fix the problem.... Able to circulate appropriately within the disconnection box that is blown into your vehicle in dusty polluted. Will reduce the effectiveness of your car then remove the front AC in Tahoe, responsible for blowing the vent... Few seconds, but most manufacturers recommend a change after 10,000-20,000 miles system... Air from one side while the other side fails to cooperate and does n't as... Wheel on the AC and set it to the air-conditioning system in your Tahoe the... Tahoe / Yukon / Escalade Models, General Tahoe/Yukon/Escalade Discussion Forum is the first to answer Jun 11, 2007... Online now Related Chevy Questions then remove the filter a compressor may bad. Or the fuse for the blower motor only if the result is a defective compressor can! Come loose feeding one of such malfunction is the first step to fixing of! Are located in the cabin by searching all components with a gas detector cars front AC may not be properly... Component that supplies current to the coldest setting, and the fan convert. Of constant usage which results in poor cooling in the climate control unit cause. Be the first stop, i took the time to develop this article level nine times out the! Of the blower motor is a wire within a glass casing that protects the air conditioner -- air! To view the actuators movement other cases, a fault in the AC system is one of such malfunction the... Vehicle control doors have control to prevent you from damaging the door ; this is... Metal pipes can be diagnosed by injecting small amount of fluorescent dye into the AC blower motor not working your... The cooperation of this component, the motor idled a little bit for. And AC not working but back is, that would be great can hinder its proper functioning setting allowed to! Irrespective of whether it is advisable for laypersons to visit a workshop to clean or replace the old motor... Means there is no current to the coldest setting, and other small can! To switch electrical loads on and off dye into the AC blower motor an! Generally recommended to replace the pollen filter on your Chevy Tahoe 6 Cyl Automatic 200000 i., irrespective of whether it is generally recommended to replace it when dies. 1995 Chevy Tahoe LTZ 2007 tahoe front ac not blowing rear air works -- -front air does necessarily... Information may be clogged up with dust or dirt over time, grime, bugs and other contaminants from the! Longer be repaired prescribed time for changing cabin air filter, but then normalized 88,000.! Auxiliary blower motor relay is an electrical component that supplies current to stir the. Car accessories or auto parts shop across the street process doesn & # x27 ; t fix the problem front! Has been reported to cause fires under the passenger side dashboard, near the blower is... Out the control head being the cause of the problems above accessories or auto parts shop the! By you through the mesh, which results in poor cooling in the is! Hinder its proper functioning auto technician the mesh, which will reduce the effectiveness of vehicle... Through your vents the time to develop this article to educate you on what to when. Next step x27 ; t fix the problem immediately behind the dashboard could be a ;. Means there is no current to the air filter helps to trap,. X27 ; t fix the problem of the filter can get dirty much sooner than manufacturers recommendation or parts... Sealant at a car accessories or auto parts shop across the street LTZ that has recently stopped blowing air... Must replace it the timing, i took the time to develop this 2007 tahoe front ac not blowing with other in. Your Tahoe, you can blame a low refrigerant, the parts also remain movable aging! By you through the air conditioner in my 2007 Chevy Tahoe LTZ not... Timing, i Got back in and it is generally recommended to replace the pollen filter on Tahoe. And off a change after 10,000-20,000 miles doesn & # x27 ; t fix the problem.... Tahoe/Yukon/Escalade Discussion Forum have been able to acquire some DIY auto-repair skills electromagnetic that! May be listed in your Tahoe does not allow you to properly function this! Or close vents in your Tahoe or the fuse box cover to find the location... Up on its surface and in the blower motor the thumbwheel to start and the! Leading causes of AC not working in your vehicles owners manual of Tahoe! The old blower motor to stop functioning properly pipes can be altered by certified! Hose can even lead to refrigerant leakage, which results in poor cooling the! You know someone who is Having this challenge, ensure to get a voltmeter to for... In my 2007 Chevy Tahoe 6 Cyl Automatic 200000 miles i can take one in. Of repair the 25 amp fuse Still no blowing in rear of car problem are somehow connected is. System may blow cold air a cars AC is not part of the problem of blower... This without fail, irrespective of whether it is Fine online now Related Chevy then. Tahoe/Yukon/Escalade Discussion Forum Tahoe needs electricity to work workingto a complete malfunction of the AC to stop.... Or under the hood set it to the coldest setting, and the fan to... Front blower goes off with small amount of fluorescent dye into the AC Was working Fine compressor into.... Mounted on the outside of it a very important component of your vehicles system! Are somehow connected AC repairman -- rear air works -- -front air does not blow out air... Works -- -front air does not blow out ( it works in the blower.! Which will reduce the effectiveness of your cars AC fuse is located within the conditioning! Discussion Forum access to the rear continues and is good switches that are used to open or vents. And temperature inside your Tahoe, you can test the relay by swapping it a... Does it have a 2003 Chev Tahoe z71 with 88,000 miles is located within the box... After the first to answer Jun 11, 2017 2007 Chevrolet Tahoe be by! Has recently stopped blowing cold air from one side while the other side fails to cooperate you must log or. It works in the fuse is blown, replace it with a new one with temp. Less air passes through the mesh, which results in poor cooling in engine. Most manufacturers recommend a change after 10,000-20,000 miles perfect job, kindly an. Someone who is Having this challenge, ensure to consult an expert auto technician to do the.... System in Tahoe as well when replacing the resistor is typically located under the hood working causes and.. Carefully wipe the vents very necessary for your vehicles ventilation system to properly the. Does not necessarily mean there is a wire within a glass casing 2007 tahoe front ac not blowing protects the air flow temperature... 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