car ac sometimes works sometimes it doesn't
Because it is behind the dash somewhere that has to be taken apart so it will cost more than 500 to fix and the part is only around 40 the last time I checked. Thanks for contacting us today.
Ac Not Blowing Cold Air Diagnosis How To Fix
Show the wind not the cold.
. Sep 06 2011 Ford Escort Cars Trucks 0 helpful. It may be that the clutch on the AC compressor is faulty sometimes it doesnt engage or it could be a wire is loose or a loose connector plug next time it blows hot air when it should be cold lift the hood make sure that the clutch on the AC is engaged hope this helpscheers. 3 Causes and how to fix It 31 Lackovercharged refrigerant 32 Failed AC compressor compressor clutch 33 Dirty cabin air filter fan housing 34 Faulty thermostat 35 Blocked evaporator drain 36 Bad control unit 37 Leaking around the compressor shaft seal 38 Broken electric blower motor 39 Incorrect temperature sensor or pressure sensor.
Unassemble the Car AC First things first you need to open up the car ac. The air conditioner wont run properly unless your engine is running. It indicates that your car blower motor resistor has an issue.
The filter is dirty so the wind cant enter the cab but only in the indoor unit. Next you could have a dirty evaporator coil. Reasons car AC not working.
Most vehicles today have one multi-speed fan that blows air through a series of ducts and vents based on the drivers selection in their climate control system. Let the air run at the highest speed for the fan. I guess I just wont be going anywhere during the summer.
Its not supposed to. Then determine if the AC compressor is engaging by looking for moving pulleys from the compressor. When the ac does not come on Ill drive a little while and it will just come on.
Heres how you can diagnose why your car AC suddenly stopped working. Start with the fan speed turned to its highest setting. The next time the blower motor doesnt operate reach under the passenger side dash and tap on the blower motor with the handle of a screwdriver.
I cannot come up with anything consistent. If the blower starts working the blower motor requires replacement. Youll need a set of screwdrivers to open up the cover.
When used for a long time dust and dirt on the screen is unavoidable. Leaks can originate from a number of different places. Afterward youll be exposed to the ac fins.
These different speeds are usually controlled through a set of resistors or a small computer. Turn on the AC with the Car Running When car AC not blowing cold air happens try to diagnose this by turning your AC to fresh air Let the air blow out from the vents in the center of your dashboard. Your Car Has a Refrigerant Leak This is one of the most common causes of car ACs not working.
Answer 1 of 12. If the compressor is engaging the system is probably low on refrigerant. Which is more likely if it works great sometimes then not at all others.
9 Causes of Car AC is Not Blowing Cold Air. Tester mareakin July 10. There are several possibilities here ranging from a damaged AC actuator loose electrical connections or a damaged AC control module.
Recently I have noticed that the air from ac vents sometimes cold but sometime less coolfan mode for a while before return to cold. First turn on your car AC to the max. A couple of things.
If youre dealing with car troubleshooting by yourself you should have enough ideas on how to do that. It doesnt matter if its heat or air conditioning. First it could be low on refrigerant.
When it does come on sometimes its not blowing strong. There should be screws with that as well. For the AC system to work properly it needs this pressure and a specific amount of.
Turn the air conditioning on while the car is running. The most common symptom of a blower motor resistor is that when you start the heater fan it only runs at the highest speed setting 4 or 5 and doesnt work at lower speeds. According to my mechanic it is the AC Expansion Valve.
- 1995 - 2004 Toyota Tacoma. When I turn the switch on nothing happens. I checked the low pressure when AC is on max it shows 32 PSI on ambient temp of 33C 91F at 48 humidity.
The other day it was not coming on when I turned on. It could also be an electrical issue. AC is not working Inspection 11146 - 13146 Get a Quote Tim Charlet Automotive Mechanic 30 years of experience Hi Julissa.
In addition the cause may arise from the air conditioning filter. Seriously its not about pressure safety switches bugs in the condenser coil or any other crap like that. If your cars AC isnt blowing air it could be a problem with your cars fan.
This refrigerant system is of high pressure and it can reach 15 bars when the car is running. Virtually every modern automotive air. It could be the result of rubber seals and hoses breaking down over time and.
Your AC system is filled with an ac refrigerant making sure the whole system is working correctly. 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. Also Sometimes the heater stops completely due to a bad blower motor resistor.
Im going to answer this one the easy way Its not blowing cold air all the time for one simple reason. I also noticed almost continuous hissing sound from around the place where cabin filter is located. If the system isnt engaged then there is an electrical problem or the compressor has failed.
Why would a cars air conditioner work great sometimes but other times not at all.
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