AC Cars & Trucks - Recent Questions, Troubleshooting & Support


Hopefully you know about A/C/ systems. The system is low on refrigerant and the clutch on the compressor won't engage to keep it from burning up. The best way to do it is to have the system evacuated, checked for leaks and repaired. At that time, while holding a vacuum, You can add refrigerant to the system enough for the compressor to come on for you to finish filling the system.Be careful!!!

AC Cars & Trucks | Answered 2 days ago


This is normal for a system to run the A/C compressor to help remove the moisture from the air and aid in the defrosting.

AC Cars & Trucks | Answered on Dec 19, 2018


From what you describe, sounds like the temp door actuator isn't working.

AC Cars & Trucks | Answered on Dec 19, 2018


You may have a heater core or one of the heater hoses is plugged and will not allow the hot water to warm the car. Locate the heater hoses and touch them or with an inferred thermometer see how hot they are. If they are not hot then disconnect one of the hoses and with a garden hose introduce water into one end of the hose, take off the radiator cap, and watch to see if the water is circulating through the heater system.

AC Cars & Trucks | Answered on Dec 19, 2018


Not to worry friend, when my machine go sick i avoided going to mechanic looking for DIY_Repair when I found this website https://big-manuals.com/ and this book helped me repair it within an hour, all by mys elf!!!
From wiring diagrams, schematic illustrations, spark plugs info, parts info, chassis number, valve time settings, step wise instructions, torque specs, error/fault codes, engine info, to every single minute parts, you get everything in there you can't imagine how detailed it is

AC Cars & Trucks | Answered on Dec 10, 2018


Follow battery leads - unplug WHITE electrical connection's use CRC spray electrical cleaner on all connecting plugs. You may have a plug or two that is dirty/rusty. I'd check these. CRC electrical spray cleaner is good stuff, when you think plugs are ok - it's not.. start there.

AC Cars & Trucks | Answered on Dec 09, 2018


Yes it can, but for how long? An AC core is made for gas and you are going to fill it with coolant that has antifreeze. Heater cores are usually plastic because they don't corrode..

AC Cars & Trucks | Answered on Nov 30, 2018


Probably need to know make and model for anyone to help.

AC Cars & Trucks | Answered on Nov 24, 2018


No. Low pressure reads low between 120 and 0 and high pressure reads high 500 and 0

AC Cars & Trucks | Answered on Nov 24, 2018


Depends on the vehicle. The tensioner to engine about 35-40 ft lbs.

AC Cars & Trucks | Answered on Nov 24, 2018


Locate your vacuum canister under the hood. Possible leak. Also the system should have a one way vacuum valve that is bad or a leak in the vacuum hose that controls the ac system.

AC Cars & Trucks | Answered on Nov 24, 2018


The belt should tight enough so that the compressor clutch does not slip. Make sure that the system has the proper amount of refrigerant and is on the proper control setting.

AC Cars & Trucks | Answered on Nov 24, 2018


This is a car and truck section. Re post in home ac

AC Cars & Trucks | Answered on Nov 24, 2018


What is the problem?

AC Cars & Trucks | Answered on Nov 24, 2018


The actuator could be defective. Look at your heater under the bonnet and look for a valve. Check to see if it has a vacuum hose hooked to it or a cable. Check to see if is working. Possible plugged heater hoses. Flush heater system.

AC Cars & Trucks | Answered on Nov 24, 2018


Possible low on freon causing the system to cycle on and off.

AC Cars & Trucks | Answered on Nov 24, 2018

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