What activates the AC compressor?
When the compressor clutch is engaged, a current move through the electromagnetic coil. That creates a strong electromagnetic force that pulls the coil in the direction of the friction plate and engages the pump rotor, which consequently runs the compressor.
What is the relay for the AC compressor?
No cold air Almost every single electrical system on a car is powered through some kind of switch or electrical relay, and the AC system and compressor are no exception. The AC compressor relay is responsible for supplying power to the AC compressor and clutch.
When does the a / C compressor start to work?
Once you turn on the AC the center part of the compressor, the AC clutch should engage and start to rotate with the pulley. The serpentine belt rides the A/C compressor pulley every time the engine runs, but the A/C compressor is working only when the A/C clutch engages it.
How can I tell if my AC relay has a problem?
AC compressor is not turning on. One of the most obvious signs that the AC relay may have a problem is that the compressor is not coming on at all. In most cases, when the AC is turned on you will be able to hear the compressor switch on.
Why is my a / C compressor not working on my Mercedes?
One other reason why the A/C compressor does not engage is the fact that the system may be low on R134 refrigerant. Typically older cars may have very slow leaks that may require top off with refrigerant every couple of years. You can use a R134a recharge kit to recharge your system if the A/C compressor is not working.
One other reason why the A/C compressor does not engage is the fact that the system may be low on R134 refrigerant. Typically older cars may have very slow leaks that may require top off with refrigerant every couple of years. You can use a R134a recharge kit to recharge your system if the A/C compressor is not working.
Once you turn on the AC the center part of the compressor, the AC clutch should engage and start to rotate with the pulley. The serpentine belt rides the A/C compressor pulley every time the engine runs, but the A/C compressor is working only when the A/C clutch engages it.
Which is the best a / C compressor clutch for Mercedes?
A/C PRO ACP-100 Professional Formula R-134a Ultra Synthetic Air Conditioning Refrigerant with Reusable Dispenser and Gauge – 20 oz We like the fact that this kit has a gauge for the outside temperature adjustment, so that you can now the exact pressure range you need to be on. Where to buy A/C compressor Clutch for Mercedes-Benz?
Which is the clutchless variable displacement a / C compressor?
A clutch less variable displacement A/C compressor can be found on models such as W203 C-CLass and W211 E-Class. You will not be able to check the operation of the A/C compressor clutch on such compressors because there isn’t one. The following video explains how the clutchless variable displacement A/C compressors work.