Just repaired a problem with my daughters 2001 T & C van that saved her $1300 dealers estimate. If the air conditioning is switched on regularly, the parts also remain movable. Continue reading this article to know of a proper guide that will help you successfully fix that air ventilation problem of yours. When the refrigerant level in your vehicle is low, you will need to notice a significant reduction in the cooling effect of the air blown into the vehicle. However, if you have a situation offront AC not working but back is,that must be a tricky challenge demanding critical analysis. I Checked The 25 Amp Fuse Still No Blowing In Rear Of Car. That's an impressive piece of work :shades: . Do you still sweat while driving your Chevy Tahoe? If you drive your vehicle in dusty or polluted environment, the filter can get dirty much sooner than manufacturers recommendation. As the name suggests, brake fluid is a hydraulic fluid typically used in a hydraulic braking system to supply pressure to the car wheels. In any case, it is advisable for laypersons to visit a workshop. We recently created this blog site to enable us to share our knowledge with other automotive mechanics and car owners. Erratic dash cluster behavior, T/C, Brake light, ABS light, dash lights, door & windows do not work, Constant chime, radio goes off,gauges fail. 462.00 to get it fixed. The condenser takes the heat of the refrigerant by changing it from its gaseous state to a liquid state. With this information, you already know how to unclog air vents in your car and fix other air vent issues. If there is a problem with the temperature of the air conditioning system, it could be due to a bad blend door actuator. Always remember that delay can make a problem escalate severely. An overcharged system not only affects cooling performance but can also damage the compressor and sometimes can cause a major leak. Blend door actuator plays a role in controlling the temperature inside your Tahoe. 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. Set the amp motor to run at full speed, and when you do this, the amp meter is supposed to read between 8 to 15amps. One of such malfunction is the impact it has on the air conditioners ability to cool properly. A torn hose can even lead to refrigerant leakage, which will reduce the effectiveness of your vehicles air conditioner. So, you should be attentive to these probable causes listed below: This is one area to check that might be responsible for your dashboard air vents not working. Dirty cabin air filter If the volts reading is normal, then the fault probably lies with the blower motor itself. There are several causes for AC not blowing cold air in Tahoe, which we will go through in this article. Monday, August 19th, 2019 AT 6:40 PM So I know that after you let the vehicle sit for hours on end the ac will work for 10 minutes or so then quit blowing cold air. You can try cleaning the vents with a set of foam paintbrushes, this can penetrate through your vents narrow spaces and help remove dust or debris. I removed the actuator that was anchored by 2 screws and then the broken plastic cam. 20077 tahoe drivers side front 7 rear door speakers not working the 1 " tweeter on the drivers side is working ..are the speakers bad or is it something to do with the stereo. Welcome to rxmechanic.com. Dirty evaporator can also be the reason for AC problems on your Chevy Tahoe. Changing the setting allowed me to view the actuators movement. You can also try preparing a cleaning solution at home by mixing water and vinegar to aid you with this cleaning process. Hi in this video I will show you how to confirm the fix on you vent no blowing air All the actuators operated the doors perfectly ending the hot air escaping past the heater door into the air conditioner duct. I would like to get this issue fixed. I have a brand-new battery and alternator in it. After replacing the battery, the motor idled a little bit rough for a few seconds, but then normalized. Front was not blowing air only the rear. 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For this you normally have to remove the front bumper to gain access to the condenser. Anybody know what this problem is? However, the cost can be more depending on whether you have to replace faulty components like the compressor, sensor, condenser, or hose. That's what I was afraid of. Also, the vents may be clogged up with dust or dirt over time, and this can be the reason for the problem. If there is a bad ventilation fuse in your vehicle, the blower motor will not be able to carry out its function by blowing air through the vents. Just have it refilled and you can drive with pleasant temperatures again. Also, you may physically spot dust build-up when you carefully look through the vents. Start by inspecting the condition of the cabin air filter on your Tahoe. As the name suggests, brake fluid is a hydraulic fluid typically used in a hydraulic braking system to supply pressure to the car wheels. Some of the common reasons why youre experiencing a situation offront AC not working but back ishave been exposed in this article. Once the leak has been found, this must be closed again by replacing the respective component. What could be going on? With the tool connected, turn on the ignition. Anytime there is a problem with the temperature of the air conditioning system, it could be a problem with the blend door actuator. Recharged With More Air Conditioning Problem The system is filled with forming gas (nitrogen with a little hydrogen) in the workshop. Unfortunately, this procedure does not allow you to get into the deeper layers of the filter. If there is no current to stir up the blowing motor, there will be no ventilation. 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. Remove the cap from the low pressure service port labelled L, and connect the AC recharge kit. The A/C blew super cold air up until a couple of weeks ago, now it is only putting out about 55-65 degrees at the vent, still fairly cool, but not COLD like it was. Failed condenser or compressor. Trust me I have checked all but get nothing no matter what button I turn on any level. It is not easy to clean through the narrow spaces of your vehicles air vents thoroughly. I installed the resistor and now the REAR AC works fine, but the front AC still doesn't work and there is absolutely no air blowing from the front vents. 1. If the thumbwheel is wheeled to the right, it will make the vents fully open the vents while the opposite direction closes the vent of your vehicle. that have created this guide for you so you can understand how the system works Therefore it is generally recommended to replace the old blower motor in Tahoe as well when replacing the resistor. No wind and battery failing.I'd love to fix it for this very nice old couple. I noticed the heater core door actuator was working but the plastic cam was broken. Chevrolet Tahoe. Note: Dirty cabin air filter mostly only leads to reduced cooling. If this is the case, you can start with the fuses at the underhood fuseblock. It does not matter in which direction you insert the fuse. 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. 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The following solutions will fix the problems outlined above. This can happen due to a leak or if the AC has not been recharged for a long time. Connect the pressure gauge to the low pressure (L) port in Tahoe. 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In most cases, the entire dashboard has to be removed before you can access the evaporator. There is no prescribed time for changing cabin air filter, but most manufacturers recommend a change after 10,000-20,000 miles. Yes No Monday, June 27th, 2011 AT 2:24 PM 19 Replies FACTORYJACK EXPERT Aside for checking the system for fault codes, I would suspect a faulty blend door actuator, or faulty expansion device. So, if your Chrysler Town and Country AC is not blowing or the front AC fails to work, implementing the solutions above may be helpful. However, you must ensure that you apply the correct solution to the accurate problem to get your desired results. The blower resistor helps regulate the flow of air that is blown into your vehicle as instructed by you through the air vent controls. The condenser and the cooling fan also work in synergy within the air conditioning system. 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. A clogged or leaking condenser can also be the reason for air-conditioning not working properly on your Tahoe. When you have a clogged air conditioner vent, the difference in temperature circulation will make a part of the car cold while the other becomes hot. 2007 Chevrolet Tahoe A/C Heater Blend Door Actuator; 2007 Chevrolet Tahoe Hose (Upper . Do this without fail, irrespective of whether it is winter, spring, or summer. Monday, August 19th, 2019 AT 6:39 PM Z. However, if youre not sure about performing the task perfectly, kindly contact an expert auto technician to do the job. The screen and all functions appear to be working, but the fan will Ask an Expert Car Questions Chevrolet Repair 1 1 Tom, ASE Certified Technician 30,957 Satisfied Customers Qualified to repair all makes and models. When your cars air conditioning systems refrigerant is low, it will automatically alter the temperature circulation from one end of the dashboard to the other. You must replace it with one of the same amperage and therefore the same color. The corresponding solutions have also been unveiled simultaneously. The excess oil may pool in various places of the AC system and can coat the inner walls of the evaporator and condenser, diminishing their ability to absorb or dissipate heat, consequently reducing the overall cooling performance. The blow fan can not be heard In the front ac when it quits, but again, the rear still works fine during this. Both of these are at risk of clogging due to contamination, for example due to metal shavings from a failing compressor. You can also use dry brushes for this purpose but remember, you have to do this gently. A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced cooling, heating and air flow. The ventilation system of your vehicle is connected with various hoses that transport fluid; if there is any damage to these hoses, the ventilation system will not be able to function properly. Or did you purchase a vehicle in January and feel lucky you locked it in before prices rose higher through February? Yesterday monring the battery in my 2004 Tahoe was dead. Unplug the electrical connector from the blower motor. The pressure values based on ambient temperatures differ depending on the type of the refrigerant. So, even if you recharged your Tahoe AC at the recommended pressure, the system could still over pressurize when the ambient temperatures get warmer. It is important that you enter this 100% correctly, otherwise the result of the search may be inaccurate. This problem can also occur if your vehicle has a faulty relay; the relay helps to provide the current needed for the blower motor to operate. I'm dumbfounded. 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