ac fan not working in truck
If your car has a Max AC setting select that. Remove all parts radiator condenser fans grills headlights that are in the way of the condenser.
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You need to check if your cooling fan is properly functioning.
. While these are some of. Discussion Starter 1 Aug 9 2010. The Front Blower Motor Relay also known as the AC Relay located behind the junction block with a black connector B05 is the culprit.
When heater AC fan only work on high it could also be your blower motor. Remove the fan electrical connector turn the AC speed to high and check what voltage is present at the fan connector wires. The fan does not work.
Everything was fine one day and the next the blower motor would not work. First start off by recovering the refrigerant. This is often the case.
Try to see if there are any obstructions or debris that have been caught in between the fins of the condenser. Later that day or the next day the fan will work again. The fan does not work on auto setting or when trying to increase fan speed manually.
Check your repair manual for the upper and. The interior heater AC fan is not working at all. These can include failed switches a blown fuse a problem with the control module or something else.
AC not blowing or heater blower not working. The best setting for diagnosis is fresh air not recirculated with the air blowing out of the center vents in the dash and the AC turned on. Remove the AC lines that lead.
Two things are very likely to be your problem. Cracks in the fan can be caused by debris on the road and replacement is the only true way to address this issue. I did a search through the forums about similar problems and went ahead and replaced the blower motor resistor.
If the fuse is good then check the relay. Your vehicle should have a complete relay diagram showing the location of all of the vehicles electrical components such as fuses and relays. You Have an Electrical Problem.
If it does not come on then check the fuse boxes. Check the cooling fan radiator to see if its running while the air conditioning is on. When your AC in car stopped working you might want to check your fan.
Or take it to an ac professional to get it refilled or checked. Step 1 Turn the air conditioning on while the car is running. ACHeater Blower quit - AC compressor is also not engaging.
The highest setting 5 has no resistor so the blower runs on high but the high current flow ends up burning up the switchs contact on that setting or the resistor wire harness at the blower motor has gone bad. I usually leave the AC on either on Auto or with the fan control about 12 to 34 the way turned up. Another symptom that may present itself when the fan has failed is the vehicle overheating while the engine is idling with the AC on.
Occasionally the fan motor will not turn on at all. Only show this user. For this you need a machine.
The best way to check if the cooling fan is broken is through a visual inspection. The Front Blower Motor Relay also known as the AC Relay located behind the junction block with a black connector B05 is the culprit. It can also be caused by a faulty coolant temp sensor low coolant level or the fan itself can be damaged.
In simpler terms it helps turn the air cool. Common would be the switch it. The speed control modulecomputerized resister is a known issue and I have replaced enough of these that I purchased a new speed control module to plug in on customers vehicles to see if the fan works then to quicken my diag.
Over time this can cause your car to start emitting only hot air. The other possibility is that the fan resistor is completely burnt out and needs to be replaced. Look for cracks or any debris that may be hindering your fan from working properly.
Up to 8 cash back As the fan is designed to prevent the condenser from ever getting this hot warm air from the vents is one of the first signs that the fan may not be cooling the condenser. You can fix this by filling up your engine coolant. The air conditioner wont run properly unless your engine is running.
Try placing the vent to top only not at legs then place temp knob on coldest setting and max blower. Car overheating while idling. On this particular day someone else drove my truck and the turned off the AC using the Fan control knob turned to off.
2006 Dodge Ram 1500. To check if its working set to hi blower and switch the relay with another that is the same a non critical relay example. The switch or the wire harness at the blower motor has gone bad.
However this did not solve the problem. They work to ensure proper airflow. When fans arent properly functioning your condenser may not receive properly cooling.
The problem sounds like it is with your blower motor not your AC system. I posted about this problem back in mid July. Try to check the compression on the low side of your ac the smallest plug where you service the ac.
There are several things that can cause electrical problems for your cars air conditioning. When your air conditioning isnt cooling as much it could be a sign of a failing condenser. Turn on the ac on cold and see if the compressor is engaging if it is and stops and goes or if it doesnt.
I cant find a wiring diagram for my truck and have only been able to gather bits and pieces of information. Hopefully the blower motor simply blew a fuse. Start with the fan speed turned to its highest setting.
Find your fuse panel and check the fuse for the blower motor or vent fan or something like that. 2004 GMC Sierra 4dr truck. Could it be a fuse.
Blower resistor keep failing. The most common reasons a radiator fan is not working are luckily due to a blown fuse bad relay or a broken wire. Greg Zains Shows How To Diagnose and Fix A AC AC Blower Motor Not Working In A 2004 Chevy TruckI edited this video with the YouTube Video Editor httpww.
They cost anywhere from 300-600. When I got in and turned the AC back on the. The most common causes that hinders normal operation of air conditioning system on your Chevy Silverado 1500 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.
Ive been having a nuisance issue with the blower in my 06 Ram 1500. Cooling fans are located either in front of or behind the radiator.
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