What was the problem with my Hyundai Tucson air con?
Just went up Genting last Sunday with my 4 year old Hyundai Tucson. It was a hot day, and after about 4 hours of driving, the air-con started to fail with only normal air coming out from the fan.
Why does my a / C compressor not come on?
First, I can’t believe that you have no codes if the A/C clutch doesn’t engage with the A/C on. If the PCM is preventing the A/C from engaging the compressor clutch, there will be a code that tells you why, such as refrigerant pressure or temperature problems.
What happens when you stop the Honda Civic a / C compressor?
Discharge pressure abnormally high After stopping A/C compressor, pres- sure drops about 196 kPa (2.0 kgf/cm2, 28 psi) quickly, and then falls gradually. Air in system Recover, evacuate, and recharge with specifi ed amount. No bubbles in sight glass when A/C condenser is cooled by water.
Can a mode door problem cause AC not to work?
Sometimes an AC system with a mode door problem could be working fine, but the air flow is being directed somewhere else, like back out to the engine, instead of into the car. Look at your cabin air filter.
Why does my Tucson air conditioner not work?
While there are a variety of reasons your Hyundai Tucson air conditioning won’t work, the most common 3 are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. What will be the outcome of an air conditioning system diagnosis?
First, I can’t believe that you have no codes if the A/C clutch doesn’t engage with the A/C on. If the PCM is preventing the A/C from engaging the compressor clutch, there will be a code that tells you why, such as refrigerant pressure or temperature problems.
What to do if your air conditioner clutch does not engage?
If the clutch doesn’t engage, the air conditioning compressor can’t pump refrigerant. So start your diagnosis by determining if the compressor clutch works. Turn the air conditioning controls to MAX AC and start the engine. Then look at the front of the compressor clutch.
Where do I find the p0638 OBD-II trouble code?
To diagnose the problem causing the P0638 code, do the following: Hook up your OBD-II scanner and download the freeze frame data for your customer’s car. Make sure you look at any other trouble codes that may have been stored in the vehicle’s PCM.