AC Cars & Trucks - Recent Questions, Troubleshooting & Support


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CTA Tools 7539 GM A/C Clutch Plate Remover and Installer for SAE Threaded Compressors

AC Cars & Trucks | Answered 8 hours ago


Was it properly installed? Did you pull a vacuum on the system and recharge with the correct amount of refrigerant? Is the compressor running? It may have blown a fuse also listen for the blend door to move when you move the control from cold to hot. I hope this helps. Take care.

AC Cars & Trucks | Answered 14 hours ago


You need to find a good mechanic with a good scanner that can read live data stream, something may have failed in spec. In other words a sensor sending the wrong information but it's within specifications. Especially look at TPS, Coolant temp sensor, Maf or Map sensors and ignition coil also pinpoint the noise your hearing, the Oil pressure sending unit is in that location. I hope this helps. Take care.

AC Cars & Trucks | Answered 3 days ago


Replace the condenser, I've personally tried 2 of the 3 most popular sealers and they both failed when the condenser went over 400 lbs/deg.
Next consider that no one will ever service your A/C again because if that sealer gets into their equipment it will turn to junk. I hope this helps. Take care.

AC Cars & Trucks | Answered on Apr 12, 2019


fixya doesnt sell products --either an appliance,heating,electric supply store or an online search for product

AC Cars & Trucks | Answered on Apr 12, 2019


There are a lot or reasons. Here is a post. https://gobdp.com/blog/car-ac-blowing-hot-air

AC Cars & Trucks | Answered on Apr 09, 2019


I need more info, like the year--make--model? I need to look at diagram to see how relay is controlled. On the control side of relay, it may be a switched ground? If the system detects a problem, it may not ground the relay? Is the system full of refrigerant? Any applicable trouble codes for that system?

AC Cars & Trucks | Answered on Apr 08, 2019


Should be 12 volts. Check the AC relay in the fuse box. Often you can change it with the horn relay to test the relay.

AC Cars & Trucks | Answered on Apr 08, 2019


actuator is not working on the blend door. It is not responding to the command when you select either heat or ac on the passenger side. The temperature blend door actuator is not moving to supply either heat or ac.

AC Cars & Trucks | Answered on Apr 08, 2019


If it is climate control meaning it runs automatic or a manual option. The blower and the automatic control fan continues to run when it has failed. The electronic, control has to be replaced

AC Cars & Trucks | Answered on Apr 08, 2019


not sure what year you have but earlier models has a heat control valve that only allows the coolant to flow into the heater core when heat is selected. If this valve does not open no coolant flows and there is no heat These valve were manual in most early models and electronic in late models

AC Cars & Trucks | Answered on Apr 08, 2019


each side on a dual climate control has a separate blend door actuator independent of the driver and passenger side the actuator control the blend door. It seems in this case the actuator is intermittently moving from cool to heat but tries to correct itself then allows the blend door to return back to the wrong selected position I would check the actuator

AC Cars & Trucks | Answered on Apr 08, 2019


The expansion valve is actually called an orifice tube. It's located in the liquid (smaller) line going into the evaporator, first you must evacuate the refrigerant then loosen the line nut while holding the line then separate the line from the evaporator and the tube is right there. If there is a problem with the tube removal will be difficult without a special tool while a "clear" tube will remove easily with a needle nose pliers. I hope this helps. Take care.

AC Cars & Trucks | Answered on Apr 03, 2019

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