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Q: What could be the problem with a 93 Ford Ranger its filled with freon R134a compressor engages disengages as it should but still blows very hot air and all the major ac components have been replaced?
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What does a pressure cycling switch do?

Engages and disengages the compressor clutch as needed.


Why does compressor clutch disengage after running car air conditioner for 5 minutes?

It's a cycling clutch compressor. It disengages to keep system pressure where it should be. When it reaches the high point, it disengages. Then it engages again when it reaches the predetermined low point.


Do you need a new module When you turn off the blower switch the compressor engages and when you turn it back on the compressor disengages?

Sounds like either a defective relay or relay wired incorrectly switch the wires over.sounds like wires are on backwards


Why does the AC compressor keep cliking on and off even after you installed 2 cans of 134A?

It's supposed to. You have a cycling clutch compressor. When system pressure reaches a predetermined high, a sensor disengages the compressor clutch, and engages it back on when system pressure drops to a predetermined low point. What you're experiencing is normal operation.


The function of the solenid switch on the starter motor?

solenid switch engages and disengages the bendix on the starter


AC compressor - clutch seems to be locking upmaking noise can only the clutch be replaced or does the entire Compressor need to be replaced?

If the AC pulley is locking up when the ac compressor clutch engages, it's not a clutch problem, it's a compressor problem. But yes, the AC clutch can usually be replaced separately. The problem is, if the clutch is worn out the compressor is probably worn out as well. It usually isn't that much more to replace the whole thing.


Why the clutch system is considered part of the power train?

Because it engages/disengages the rotating power of the engine from the transmission.


Clutch engages disengages backwards?

Sounds like you need to rebleed, and set your master cylinder for your clutch, Assuming you have a hydrolic clutch


How do you get the overdrive light to go off?

There is a button on the left hand side of the gearshift just below the handle which engages and disengages the overdrive.


1994 GMC sub Ac compressor clutch disengages if you open the hood and tap on the plate it engages I replaced the clutch coil assembly and the new one does the same thing HELP JR?

Maybe a bad or loose wire on the compressor? Check the wiring real good for loose or dirty connections. Look for any cracks or breaks too. It's also possible that it's just a little low on coolant and it's a coincidence that you opened the hood and the compressor disengaged. Check the connection to the low pressure sensor and make sure you have enough refrigerant.


What does an ignition switch do for a 1997 jeep?

It engages and disengages the lock that starts the vehicle. There are 2 parts to the switch. The ignition switch and the lock assembly.


What is an AC compressor clutch and what does it do?

The AC clutch is on the front of the compressor where the belt rides. When power is applied to the clutch it engages to turn the compressor. It is basically a magnet a/c compressor clutch is the ound thing on the front of the compressor with pulley wheel attached. this clutch is an electro magnetic clutch that when electricity is supplied, engages so as the a/c compressor is driven ,which can then pump freon thru the ac system


What does it mean when none of the three buttons will light up and the four wheel drive does not work This started after having the tires balanced and rotors changed?

My guess is that a vacuum line was disturbed that engages or disengages the 4wd.


Why high side gauge fluctuating?

Well, that depends on exactly how it's fluctuating. If it drops when the compressor clutch is disengaged and builds back up when the compressor clutch engages, that's normal operation.


Power steering belt squeals when defrost is on?

Tighten the belt. The belt drive the AC compressor. On some cars the compressor engages when the defrost is on to remove moisture from the air before it's heated for the defrosters.


Why is your ac compressor smoking when ac is on?

The Air conditioning compressor is likely seized. There is a clutch in the pulley that engages the compressor when the A/C is turned on. You can easily check the compressor (with engine off make sure the pulley has had time to cool off as it will be very hot) Try to turn the most center part of the pulley. If you cannot turn it by hand the compressor is seized. The smoke was MOST likely from the serpentine belt rubbing on the seized pulley when the A/C compressor was engaged. Please note that the same belt drives the power steering pump. This belt will be destroyed from the heat and must be replaced to prevent a possible steering failure.


A C compressor engages often?

It's called short cycling. The most common cause is low freon. Take it to a mechanic for diagnosis.


How does the overdrive work on 2001 ford E350?

On most of the newer transmissions a electric selonoid is what engages and disengages overdrive and if you havent noticed there is a button on the end of the shift lever on the steering column also there is a fuse have you checked to see if it is blown.


94 dodge caravan se clutch on ac engages and disengages constantly no cold air refrigerant at right pressure What is wrong?

Either a bad pressure switch, a bad pigtail or a restricted receiver drier and block valve.......


Why would the air conditioning stop working when car stalled in pooled water?

The A/C compressor is clutch driven, when electricity is applied to a coil, it engages the clutch. Most likely the coil shorted out in the A/C clutch on the front of the compressor.


What is the difference between the transfer case and transmission?

The transmission shifts through gears as your engine rpm increases and your transfer case engages and disengages your jeep in and out of 4 wheel drive. Your transfer case also has gears for 4x4 high or low.


What makes a Car shak when ac fans kick on?

The A/C compressor puts an extra load on the engine when it engages. This is most likely the engine hesitation you are experiencing.


What causes your car to speed up when ac engages?

Vehicle could have a solenoid type switch to increase idle to compensate for load on engine caused by A/C compressor


AC in 95 Mustang 38L stopped working there is pressure in the system no leaks but compressor doesn't kick on How do you troubleshoot this?

There is a relay on the top of the compressor that allows the clutch to engage. Check to see if it is bad by removing the relay and use a wire as a jumper while the car is running to see if the clutch engages. If the clutch engages once the jumper is in place then the relay is bad it cost under twenty dollars to replace.


96 Lincoln mark VIII engine almost stalls when ac compressor engages compressor or clutch?

Sounds like too low an idle, dirty throttle body, dirty idle air control valve, or vacuum leak, could also be pcv valve. This will also occur when a compressor is attempting to lock up... www.acpartshouse.com