Why is my AC clutch not working on my Dodge Ram?
Why is my AC clutch not working on my Dodge Ram?
One of the most common problems is a low refrigerant charge, the low pressure switch prevents the AC clutch from engaging when the system is low on refrigerant. Definitely check the fuses before replacing anything else. Your interior fuses should be on the drivers side as pictured below in a video from carcarekiosk.com.
How does the AC compressor clutch work on a Dodge Dakota?
Circuit C90 from the A/C heater control switch connects to the low pressure switch. Circuit C22 from the low pressure switch connects to the high pressure switch. Circuit C20 from the high pressure switch connects to the PCM. Let me know what you find… What exactly do yoy mean by 3 and 2?
What to do if an A / C compressor clutch does not disengage?
A/C compressors are difficult to work with because of the refrigerant stored inside. When a compressor clutch does not disengage, it will cause the refrigerant to build up and freeze the line. To disengage the clutch, a switch must be replaced.
Where is the clutch ground on a Dodge Dakota?
Ground for the compressor clutch is provided on circuit Z1. Circuit C90 from the A/C heater control switch connects to the low pressure switch. Circuit C22 from the low pressure switch connects to the high pressure switch. Circuit C20 from the high pressure switch connects to the PCM.
One of the most common problems is a low refrigerant charge, the low pressure switch prevents the AC clutch from engaging when the system is low on refrigerant. Definitely check the fuses before replacing anything else. Your interior fuses should be on the drivers side as pictured below in a video from carcarekiosk.com.
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.
What to do when your air conditioner won’t take Freon?
If the compressor clutch shoe is not rotating, but the pulley is, then you can unplug the electrical connection on the low pressure switch and put a jump wire into the harness jumping the connection on both terminals. This should engage the compressor clutch.
Why does my car clutch not engage when low on refrigerant?
That’s why car makers install a low pressure switch–to prevent the compressor from running if the system is low on refrigerant. DIY recharging kits tell you to recharge through the low pressure port while the compressor is engaged. But if the system is low on refrigerant, the clutch will never engage.
What causes AC to blow cold then warm on Dodge Ram?
Repair Topics > Air Conditioning Symptoms… > AC blows cold then warm… Dodge Ram 1500 intermittent AC, Compressor quits, blows cold, then warm, warm AC
Where is the compressor clutch relay on a Dodge Ram?
Power flows to the compressor clutch relay contacts from fuse J (10A) in the power distribution center (PDC). Power flows to the relay control coil from fuse 11 (10A) in the junction block in the left kick panel. Remove the compressor clutch relay, start the engine, and turn the A/C to MAX.
Why is the compressor not working on my Dodge Ram?
If you end up with a full charge and the compressor still won’t work on it’s own, you have some other electrical problem that will require more diagnosis. But you first need to get enough of a charge that the AC system’s safety switches will allow the electrical part of the system to operate.
What are common reasons my Dodge Ram 1500 has air conditioning problems?
What are common reasons my Dodge Ram 1500 has air conditioning problems? While there are a variety of reasons your Dodge Ram 1500 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.
If you end up with a full charge and the compressor still won’t work on it’s own, you have some other electrical problem that will require more diagnosis. But you first need to get enough of a charge that the AC system’s safety switches will allow the electrical part of the system to operate.
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.
What causes an AC compressor to not engage?
If the clutch doesn’t engage, the problem could be a blown fuse, an open in the wire to the clutch coil, a bad clutch coil, a poor ground, or a low pressure lockout. AC compressor clutches receive power in a number of ways. They can activate through a relay that’s energized directly by a proper condition of the low and high pressure switches.
If the clutch doesn’t engage, the problem could be a blown fuse, an open in the wire to the clutch coil, a bad clutch coil, a poor ground, or a low pressure lockout. AC compressor clutches receive power in a number of ways. They can activate through a relay that’s energized directly by a proper condition of the low and high pressure switches.
What are the symptoms of a bad or failing fan clutch?
As the fan clutch is a cooling system component, any issues with it can cause overheating and other issues. Usually a bad or failing fan clutch will produce a few symptoms that can alert the driver of a potential issue.
