AC compressor clutch replacement
General procedure to remove and reinstall a/c compressor clutches. For compressor tools and parts visit our website at www.centuryautoair.com.
A C Switches
A/C pressure switches are pretty straight forward. They are both, electrical switches and pressure transducers. Their purpose as electrical switches are to interrupt the circuit. There are many, many different arrangements that these switches can be configured in an electrical system. So, always be sure to review the diagram for the system you are working on.
How To Find and Repair AC Leaks - EricTheCarGuy
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How To Recharge an AC System: http://www.youtube.com/watch?v=lglPJuBXVeE
Basics of AC: http://www.youtube.com/watch?v=w17DpGCcRj8
AC Performance Test: http://www.youtube.com/watch?v=XU_A4wNuHXI
I suppose this has been a long time coming but for me I wanted to make sure that I made a video that would be useful to you as well as emphasized the importance of good practices when working with AC. Keep in mind refrigerant is a CFC meaning that it pretty much kills the ozone layer and if you don't respect that you WILL cause environmental damage even a little adds up so please follow the precautions in this video when working on an AC system. The other thing about AC is that it involves a lot more than just shooting a can of refrigerant into the system when it's not working right there are many systems that come into play that you need to consider such as; the health of the cooling system, cooling fan operation, the mechanical operation of the components of the system, the operation of the HVAC inside the dash, and the electronics so keep in mind if you're having a problem with your AC it could be much more than just a simple leak. I'll get off my soap box now.
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How to Wire AC Compressor Clutch Relay
How to Wire AC Compressor Clutch Relay
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The AC compressor clutch is an electromagnetic device that engages the air conditioning compressor. This unit is composed of three parts, the clutch plate, the hub and the coil. The clutch coil is the one that creates an electromagnetic field around it, which attracts the plate and engages the clutch. The plate is also linked to the drive or serpentine belt and is driven by the crankshaft. The hub and the plate have to be calibrated to a specific gap using a feeler gauge.
The purpose of this video is to illustrate how almost all AC compressor clutches are wires. The actual wiring may contain other components, such as transistors and IC computer chips, but the control itself is the same. In all cases, these extra components are used to control the relay coil, which in itself controls the AC compressor clutch. This simple circuit can also be used to wire an older vehicle due to lack of parts and high costs.
Here is how this circuit works.
This circuit has one relay, a refrigerant pressure switch, and a micro switch. The micro switch is a W O T or wide open throttle switch used to disengage the compressor clutch during wide open throttle conditions. This is done to protect the compressor from damage at high engine speeds.
Electrical current flows from the 12 volt power feed to the fuse. Then current flows to terminal... Get the whole story right here in this video...Enjoy...
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Charging the AC on the Dodge Ram
I hadn't had A/C on the Dodge truck since '09 so this being a hot summer, decided it was time to see if I could get some cold working again.
AC Repair and AC Systems - AutoZone Car Care
In the first installment of the AutoZone Complete Car Care - AC Repair Series, Bruce Bonebrake provides an explanation of the major auto AC components and how they work.
Get everything you need to do the job right at http://www.autozone.com
2003 Toyota A/C Relay Problems
This problem comes up about three times a summer. It is a very easy fix. All you have to do is take out the relay, hit it with your thumb or knuckle and than replace it into the block.