Why is my AC fan running but the compressor is not working?

A working AC will provide you with nice and cold air as opposed to bearing the brunt of warm, dry air. With how much the HVAC runs, something is bound to go wrong with its compressor. However, having the fan running but the compressor not working is nothing too dire, so don’t panic.

Why is my AC not cooling but Freon full?

However, since this seems to cool just the slightest bit suggests a low charge which for a 2008 is a bit rare but a stone can hit the condenser on your way home with a new car?? Who knows – stuff can just happen and still the #1 reason for poor cooling is low charge/no charge but with any pressure like 80 it has something in it,

What happens if you run your air conditioner with no oil?

At that point you’re running the compressor with little to no oil. You may get it to accept a charge, but you may have already damaged the compressor. NEVER try to bypass the low pressure switch. Doing so will force the compressor to run with inadequate oil and can destroy the compressor.

What to do when your AC Fan is not cooling?

When the fans are faulty, the airflow is not going to happen, and you are not going to get the cool air. Do a visual inspection for this one, too, and see if the cooling fan is not broken. In case it is, you need to make a replacement for the same.

What should I do if my AC Fan is not spinning?

Slide a long, thin wooden stick through the fan grate and gently push one of the blades to try to get the fan spinning. (Safety note: DO NOT use any kind of conductive metal or material to do this. Don’t put your fingers in or near the grate.) If the fan takes off and then keeps going on its own, you more than likely have a bad start capacitor.

Can a bad capacitor cause a fan to burn out?

In either case, a bad capacitor will strain the fan motor and may cause it to burn out completely. Depending on your A/C unit, the same capacitor may be used for both the fan motor and compressor. This is called a “dual capacitor” and has three terminals on the top—one for the fan motor, one for the compressor, and one shared.

Why is MSI Afterburner Auto fan speed not working?

When I unclick the auto setting for fan speed, it goes to around 25% on idle. However the custom fan curve controls work. Anyone ever have this issue? I’ve tried using DDU and reinstalling my GPU drivers and I’ve reinstalled MSI afterburner.

Is there a way to control the fan speed on a laptop?

There is only one way for you to control your fan speed in a laptop. And that is by using a software like Speedfan. But still, it won’t necessarily work on every laptop. If the fan speed settings are locked by your manufacturer (laptop), then there is NO WAY to control it.

Why does my Daikin air conditioner stop working?

If not, please contact your nearest Daikin representative. Operation stops unexpectedly when ON timer is set. This is not a malfunction of the air conditioner. When the ON timer is set, operation starts up to 1 hour before the time set to reach the setpoint. If the remote controller is operated during this time, the operation automatically stops.

When to turn AC compressor on and off?

On a cool day, the compressor will cycle on and off, especially with a low blower fan speed. AC on as cold as you can set it. On a warm day, the compressor should stay engaged under these conditions, and the air from the vents should be cold. If not, you may be undercharged and need to have the freon topped off.

What should I do if my compressor does not fire up?

Your compressor will not fire up without the start capacitor. Check it for arcing or overheating, and if it is damaged, switch it out for a new one. But if the relay, the overload and the start capacitor all check out ok, the next step will be to call a service technician.

Why does my refrigerator compressor not turn on?

If your refrigerator is clicking, or if the compressor won’t start even though you can hear the fans running, it’s possible that the overload relay is arcing or overheating.

Why does my Honda Pilot compressor cycle on and off?

Unfortunately, there’s no really good DIY way to accurately “top off” the system without some risk of damage. In spite of the TV ads that show a dog explaining it to a Corolla driver. On a cool day, the compressor will cycle on and off, especially with a low blower fan speed.

Why is my blower motor resistor not working?

CLICK HERE TO RESET YOUR PASSWORD! Help! Fan quit working on all 4 speeds. AC light & recirc light still light up and AC compressor clutch engages when turning fan on in AC mode, but not getting the fan to work. I replaced the blower motor resistor and the control unit with new parts from rockauto (ACDelco).

What happens if your air conditioner compressor blows out?

The worst thing that can happen is that these small issues can wind up blowing the compressor and damage it severely. If the unit overheats or the capacitor is defective, the whole compressor can be destroyed. A dead compressor makes for a dead AC unit. If the compressor gets blown, you will need to replace the entire AC unit.

Why is my AC not working in my house?

Why is my air conditioner blower fan not working?

Like all moving parts and similar to stand alone fans, the blower motor and blower fan is susceptible to wear and tear, as well as damage, all of which could result in the air circulation being restricted, or possibly not working at all.

Why is my AC compressor not turning on?

If the compressor isn’t starting, check the wiring connecting the two units. If it’s a blown fuse or tripped circuit breaker, the search has come to an end.

What happens if the fan and the compressor are the same?

Depending on your A/C unit, the same capacitor may be used for both the fan motor and compressor. This is called a “dual capacitor” and has three terminals on the top—one for the fan motor, one for the compressor, and one shared. Your compressor can overheat if it continually attempts to access a failed capacitor, causing major damage.

You might be wondering why your AC fan is running when the compressor isn’t working. This is often a simple problem that you can deal with on your own. You might need to have an HVAC technician check it out in rare cases. Someone might have mistakenly changed your thermostat settings.

How to know if your air conditioner compressor is not kicking on?

My Air Conditioner Compressor Is Not Kicking On. 1 Step 1. Check the power to the unit on the inside and outside of the home. Plug in the power cord for the condenser unit on the outside of the home 2 Step 2. 3 Step 3. 4 Step 4. 5 Step 5.

Why does my air conditioner not turn on?

When the compressor is not coming on, your air conditioner unit will not run properly. There are a lot of factors that determine whether your compressor will turn on, including blockages and problems with the thermostat that may prevent the compressor from working properly.

Why does your AC compressor not kick in?

Why is my AC compressor not working?

Some of the most common reasons AC compressors stop working include: Dirty condenser coils. Blocked suction lines. Low refrigerant charge. Incorrect suction line size. Too much refrigerant. Electrical problems. Contaminants in the system.

Do I have a bad AC compressor?

One of the telltale signs that your compressor is bad is sky-high electric bills . If you notice that your electric bills have increased for seemingly no reason, then the compressor may be bad. This is because the compressor isn’t compressing gas, decreasing the efficiency of your AC overall.

Why is my AC not coming on?

Icy buildup: If ice collects of your condenser coils or other portions of your unit, the AC may not turn on or may not cool air efficiently. The unit must be dethawed and all ice must be removed before it will operate properly. Faulty motors: In most cases, your A/C unit will shut down entirely if its motor is faulty.

Why does my AC blow cold then blow warm?

The moisture can freeze into ice crystals right at the orifice tube or expansion valve, clogging it and stopping the flow. The symptom appears as: blows cold, then warm. If you shut off turn on the heat for a while, that’ll melt the ice crystals and the system will start cooling again. But it will still freeze up.

What is the role of the HVAC compressor?

What is an HVAC Compressor? The compressor is an integral part of the air conditioning system. Its role is to carry heat out of the house while compressing the refrigerant fluid. The warmed refrigerant is heated up further, which converts it from its gaseous state into liquid.

Why does my AC fan stop blowing cold air?

Because the fan motor is one of the hardest working parts on an air conditioner, it is subjected to a lot of wear and tear that can lead to frequent repairs or replacement. Once the fan motor breaks down, the AC will stop blowing cold air and that’s something you don’t want on a hot summer’s day.

Can a malfunctioning AC compressor cause a problem?

The heat of summer can be intense, and the worst thing that can happen is finding yourself with a malfunctioning HVAC compressor. A working AC will provide you with nice and cold air as opposed to bearing the brunt of warm, dry air. With how much the HVAC runs, something is bound to go wrong with its compressor.

How can I tell if my AC unit is blowing cold air?

Check the temperature of air flowing out of the top of the unit and the air flowing into the evaporator coil behind the top filter grill at the back. We can’t say exactly how much difference in temperature there should be, since that depends on the unit’s size and your actual air temperature, but it should blow cold air.

What is the fan motor in an AC unit?

What is an AC Fan Motor? The fan motor is a fairly uncomplicated yet vital part of an air conditioner. It’s the part of the unit that pumps air through the system. Without that circulation of air, your AC won’t cool your home.

When to run AC compressor on full speed?

As a solution, it is recommended that you run the AC on full speed once in three weeks in winters and monsoon when you don’t use the AC frequently. There is nothing to worry about if your AC compressor running but not cooling.

Why is my AC compressor not working but the fan is running?

When the fan is running but the AC compressor isn’t there’s a good chance that electrical power isn’t reaching the outside unit where the compressor is located – and since the inside unit has power, the fan is still operating. First, check the circuit breaker to see if it has tripped or if there’s a blown fuse.

What to do if your AC fan won’t start?

Turn off the A/C unit and call in an HVAC technician to replace the capacitor as soon as possible. This is a quick and simple repair for a professional. If you leave the unit running, the fan motor will keep attempting and failing to start.

Why does my AC fan make a humming sound?

The starter relay transmits the power to the compressor from the capacitors. If you notice a humming sound and your AC compressor isn’t working, it could be that the compressor is attempting to access the capacitor, only the capacitor is faulty. If this is your problem, contact an HVAC professional.

What to do if your air conditioner is blowing warm air?

The Fix: If your evaporator coil is frozen, turn the unit off and change the air filter. Wait until the unit has thawed before turning it back on again. If the coils freeze up again, turn the unit off and immediately call a professional HVAC technician to troubleshoot the problem.

What to do if your air conditioner is blowing hot air?

Get a maintenance plan or an air conditioner maintenance agreement and it should decrease occurrences of the air conditioner blowing hot air especially when you need it the most. As stated above, some of these issues can be corrected easily, and others will require major surgery.

Why is my a / C not blowing cold air?

This is one of the most common issues that people run into when their system is not blowing out cold air. One of the leading causes of airflow being restricted is having a dirty filter. If this is the case, simply change out the filter.

Why do I feel warm air coming from my air conditioner?

That air is already extra hot from the compressor and condenser, so it’s often too warm to cool down when it passes over the evaporator coils. As a result, you’ll feel warm air coming from the vents. Fixing this problem may be as easy as opening or unblocking the return vent.

When to call an HVAC contractor for a problem?

If you notice that your condenser is particularly dirty, it may be a good time to clean your condensing unit or call an HVAC contractor to do a tune up of your system so that you do not run into issues in the future. If there is a problem with a compressor, the whole system will not be able to function properly.

What should I do if my AC is not blowing cold air?

When the actuators are not working, you will either receive only cold air and no hot air or hot air but no cold air. In such a case, take your car to an auto specialist who will fix the blend air door. The average cost will come between $130 and $530. The parts itself cost about $85 but the labour cost varies from vehicle to vehicle.

Why is my central a / C not blowing cold air?

(Playback ID: LrcPo66g7ycakBQE) Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer.

Why is my furnace or AC blower not working?

Furnace or AC Blower Motor Not Starting or Working! Top 10 Reasons Why! – YouTube If playback doesn’t begin shortly, try restarting your device.

Why is my outdoor AC unit’s fan not spinning?

Scenario A: You hear the outdoor unit’s compressor working and the fan isn’t spinning. Scenario B: You don’t hear the outdoor unit’s compressor working and the fan isn’t spinning. Let’s explore both. Not interested in being an HVAC sleuth?

Why does my fan not start on its own?

If the fan takes off and then keeps going on its own, you more than likely have a bad start capacitor. You took over its job of kick-starting the fan by pushing the blades. If the fan doesn’t start running, you may have a bad fan motor.

How to know if your AC Fan has a problem?

Signs that your fan is having issues include the following: 1 The fan won’t start even though the AC is on 2 The fan won’t stop, even when you shut the AC off 3 The fan turns on, yet the blades are rotating very slowly 4 There’s a rattling noise coming from the condenser unit when the fan is turned on

Do you need to replace your AC fan motor?

While fan motors don’t need much, overlooking maintenance can have a serious impact on your air conditioning system and the comfort of your home. Sometimes, replacing the fan motor in your air conditioning system is inevitable, but with routine maintenance, you can prolong the lifespan of your air conditioner.

Where is the fan on an outdoor compressor?

The condenser fan is visible inside of the outdoor compressor/condenser unit such as the unit shown in our sketch at left, an in our other photos on this page. Our central A.C. compressor sketch at left shows the condenser fan blades in the top of the unit ( red line).

What happens when a heat pump fan stops running?

If the compressor keeps running and the fan re-starts after a 5-15 minute period, and if it’s a heat pump running in cold weather, you may be simply seeing a defrost cycle. It is normal for the compressor to run with the fan “off” during a defrost cycle that might be 5-15 minutes depending on conditions.

What happens when a condenser fan is not working?

at BURNED-OUT COMPRESSOR, if the condensing unit fan is not working the compressor itself may shut down or even be ruined by overpressure or over temperature.

Is it bad if the fan motor is not running?

Keep in mind that just because the fan motor isn’t running, doesn’t mean it’s bad. If the power supply is fine and the windings are in good shape, check the capacitor next. The capacitor helps the fan motor run.

Why does my blower not come on neither heat or cooling mode?

Hello, I have heat pump unit with a backup auxiliary heat. My blower will not come on neither heat or cooling mode. Blower will no running on neither auto or fan. I’d jumped the motor and is working. My capacitor and transformer is also good too.

Can a larger blower motor help my air conditioner?

This usually calculates out to about a 1/4 to 1/3 HP blower motor. If you get too much cfm it is hard on the air conditioner, because it robs the air conditioner of the cool gas going back to the compressor to keep it running cool and you have to over-charge the AC unit to get the cool gas going back to the compressor.

How does a bad AC compressor affect your car?

Every air conditioning system of a vehicle depends on a steady flow of refrigerant to circulate through it. This refrigerant is what allows the air conditioner to produce the cool air which comes out of the vents in the dashboard. Let’s find out the symptoms of bad AC compressor how it affects the AC system.

What to do if your air conditioner compressor fails?

An AC compressor is not just expensive to repair but, sometimes, it is impossible to fix it. Therefore, if you notice that there is something wrong with your system, then, you should immediately call an air conditioning service in Richardson, TX to avoid a major malfunction.

How can I tell if my AC compressor is working?

If there are leaves or other dirt or buildup blocking it, remove them and clean the area. Look under the hood at the AC compressor clutch. If your air pressure is normal but the air is hot, you may have a compressor problem. Checking to see if the compressor clutch is engaging is a simple visual inspection.

Why is my AC not working on my Lancer ES?

Since the compressor is continuing to cycle when off we also know that the compressor/oil temp switch and the clutch are all OK as well. This really only leaves you with a charge level problem as a reasonable explanation.

Why is my AC not working in my car?

The latter we know is not it because you have no reduction in air flow and the cycling continues even after it gets warm (whereas the compressor would be shut down if it were freezing up). Since the compressor is continuing to cycle when off we also know that the compressor/oil temp switch and the clutch are all OK as well.

Why does my AC compressor clutch not engage?

Why AC clutch won’t 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.

Why is my air conditioner not blowing cold air?

If your AC system turns on but doesn’t blow out cold air, ensure all the vents are open and the thermostat is set properly. If these aren’t the problem, check the air filter. If it’s clogged with dirt or other debris, you won’t get any air flow.

What to do if your air conditioner is not cooling?

Use this air conditioning (AC) troubleshooting list to help you identify some common air conditioner problems like AC not cooling, and identify solutions. Considering a new air conditioner, or looking to replace your existing AC?

Why is my AC not blowing cool air?

No matter how high you set that regulator, it does not seem to work. Well, there are many reasons behind your AC, not blowing cool air. From the leaking refrigerant to the bad compressor, even a tiny fault in the HVAC system can make you face difficulty with your AC.

Why is my RV AC running but not cooling?

Why Is My RV AC Running But Not Cooling? Here are the 5 common reasons why your RV AC’s aren’t giving you enough cool air: A problem with the thermostat; Problems with the fan; Low Freon levels; A dirty compressor; A burned out capacitor; How Does An RV Air Conditioner Work?

What should I do if my AC won’t recharge?

Verify the operating pressure is within the specified range (consult repair manual). Never add refrigerant blindly because overfilling can damage the system. Never add refrigerant blindly because overfilling can damage the system. Worth repeating.

What to do when your AC is running but not cooling?

When the refrigerant is leaking, all you have to do is using the sealant that is available in most of the car repair shops. In case of confusion, you can call a repairer and let him seal all the leaks causing AC compressor running but not cooling. To detect the possible leaks, there are AC leak detection kits available online.

What to do if your air conditioner compressor does not run?

Problem: Compressor will not run. First, you turn off the power to the air conditioning system. Second you inspect your air conditioner’s wiring to make sure you do not have any burnt or loose wires.

What to do if your air conditioner is not recharging?

Important to know: recharging your AC is a temporary fix to a likely bigger problem. If your system is indeed missing refrigerant, your air conditioning system has a leak and needs to be inspected and repaired with a certified mechanic. Refrigerant does not evaporate in an airtight system, so air must be leaking in.

Why is my AC not working but fan is running?

In most cases, if the AC is not working, the root of the problem often traces back to the HVAC compressor. The heat of summer can be intense, and the worst thing that can happen is finding yourself with a malfunctioning HVAC compressor. A working AC will provide you with nice and cold air as opposed to bearing the brunt of warm, dry air.

Why is my Freon compressor not coming on?

The original problem you had still exists. The compressor is not coming on. Except for now you haven’t got much refrigerant in the system. After the electrical issue is resolved the system will capable of accepting a charge (with the compressor operating normally).

Why are my cooling fans not turning on?

If the compressor is running long enough to build heat in the high side of the system, and the cooling fans don’t turn on, I would begin finding the fan relays and add power to the appropriate circuit to see if the fans turn on at all. This will require a wiring diagram.

What happens if my heat pump fan is not working?

One purpose of the fan is to cool the compressor. With the heat pump fan not working, the compressor can overheat and be damaged – and that will increase your repair bill by $1,250 to $2,000 plus. If that happens, your heat pump might be “totaled.”

Why is my air conditioning fan not running?

A blocked air filter may be the culprit in why your air conditioning’s fan is not spinning. When your air conditioner’s filter is dirty, filthy and clogged, air flow can’t go through the filter and ice will begin to accumulate on it. As a result, this puts more stress on your unit’s fan as well as the other parts of the machine.

Why is my new AC compressor not working?

Why is my central air fan not working?

Another common and easily remedied situation that sometimes results in a central air conditioner fan not working is a dirty, clogged air filter. Your system’s air filter traps dust, dirt and other airborne pollutants to keep indoor air and internal cooling system components cleaner.

Why is my air conditioner not spinning?

If your air conditioner fan is not spinning, the problem could be a faulty belt. Another problem that may cause your air conditioner fan to not spin might be a belt that has either broken or became loose. Most of the air conditioning systems that use belts are outdated units.

That’s how I know my compressor was working. Both the fan and rpm activated as it should. Just push down on the relay again. It might not be making contact. You can also test the socket to see if it’s getting power. If this checks good, then check your AC pressure sensor.

What does it mean when your AC Fan is not spinning?

If you hear buzzing coming from your AC but the fan isn’t spinning, this can indicate a bad capacitor. The capacitor is a small object that is cylindrical in shape. It stores a large amount of energy. In this way, it’s a bit like a battery.

What does it mean when your AC compressor does not spin?

It is an ominous sign when the clutch engages but the compressor does not spin. Changing the compressor clutch could be the only solution in this case. A bad AC compressor clutch needs immediate fixing. A delay can cause serious damage to the air conditioning system and the engine.

What should I do if my air compressor won’t turn on?

Turn your unit off immediately. This can overheat your compressor, causing unit wide damage. If left unattended, this can elevate the situation from a simple capacitor replacement to a need to replace the entire compressor motor.

Look into This! Engaging the AC compressor clutch at home is not rocket science. There are a couple of ways you can fix the problem to bring back the air conditioning system in order. What is the most common reason for an air conditioning compressor not to engage?

When does the air conditioner fan turn on when the AC is on?

The fan only turns on when cooling or heating (in winter) is required. If you can tolerate most of the summer heat – save for the absolute hottest of days – you’ll want to use the AUTO setting. The AC fan kicks in when needed and stops running when the job is done. Beside above, when should the cooling fan come on?

How does a radiator fan work when the AC is on?

The electric radiator cooling fan assembly is controlled by a thermoswitch located in the side of the radiator. At higher coolant temperatures, the switch closes to start the cooling fans. Any time the coolant temperature rises to higher than normal levels, the fan will start and continue to run until coolant temperature returns to a normal range.

Can a convection fan be used to cool a radiator?

If it’s cold outside (but not so could that it would prevent using the A/C), natural convection should cool the radiator adequately. Well the short answer is yes. The A/C requires the fan to run as part of the heat exchange process. The A/C runs on a separate circuit and is triggered by A/C system.

What does it mean when a / C compressor does not engage?

A/C compressor clutch does not engage, cooling fan does n… Q: A/C compressor clutch does not engage, cooling fan does not turn on, condenser fan does not turn on, and ceiling light does not turn on.

Why is my a / C fan not running when the AC is turned on?

Many people confuse pressure in the system for the system being full. Volume and pressure are two different properties of a gas, which the refrigerant in your A/C system is a gas when it is allowed to escape to the atmosphere. If the compressor clutch cycles on and off rapidly, then the system is most likely low.

How to setup fans to come on with a / C?

Make a custom Input in the I/O ICF. Then make an Output in the I/O ICF for your fans, instead of using the generic fan settings from the Basic I/O in the System ICF. Then you can have the fans turn on & off by multiple things, like temperature, RPM (I like to make fans turn off when the engine is not running, but the key is still on).

A cabin air filter is responsible for filtering the air that enters the vehicle’s air conditioning system. The filter catches all the dust and impurities that enter the passenger compartment and can, therefore, become clogged over time. Also, a clogged cabin air filter leads to a deterioration in the air conditioning system’s cooling.

What should the pressure be on the AC to blow cold air?

Keep checking the pressure gauge to confirm if you don’t overfill. The ideal pressure is 40 psi. Once the refrigerant is filled, head inside the car and with the thermometer placed inside one of the AC vents, note the temperature. An ideal AC should blow cold air which is about 28 degrees.

What causes an air conditioner to blow air but not cold?

The most common cause of window air conditioners not blowing cold air is a lack of adequate air flow. In a properly working air conditioner, a fan will draw air over the evaporator coils, where it is cooled, and then be re-circulated back into the room.

Why is my air conditioner not cooling well?

A very practical reason for the air conditioner not cooling is because of bad fans and motors. Sometimes, debris can clog up these fans or impair motors. Other times, it’s natural wear and tear that keeps these parts from working.

Why does air conditioner not cooling?

7 Possible Reasons Why Your Aircon Is Not Cold (Updated) Dirty air filter. This is one reason why your aircon unit cannot work properly. Blocked condenser. A condenser is an important part of your air conditioner to produce cool air for your room. Frozen condenser. Leaked refrigerant. Dirty evaporator. Broken thermostat. Incorrect size.

Why is the air conditioner pipe not cold?

Not all air conditioner pipes are cold. Some return lines to the compressor unit will be warm to hot. This is because when the gases used to create the cold air are compressed they must be returned to heat to expand to complete the cycle. +1 vote!

Why is the a / C not working on my Nissan?

The IPDM has been upgraded to the new one (apparently the clutch relay is part of the IPDM itself, it doesn’t have a replaceable relay, you have to replace the whole assembly). All fuses in the engine compartment and inside the cabin are good. 4. If you run power straight to the clutch the A/C runs cold all day long.

What happens when your car AC stops working?

If your AC stopped working in the car, then your compressor may be malfunctioning. Your car’s compressor is vital in having your car AC run. It makes the refrigerant run through the system and generates cold air. Car compressors break when you don’t use your car for a long period of time.

What does it mean when your car compressor stops working?

If your compressor were to stop working, you’d notice right away if it was due to an electrical problem (no voltage) or a compressor problem (voltage is there, but compressor does not run). Once the car warms up to operating temperature and I’m in park with the car idling, the compressor comes on for 5-10 seconds and then off for 5-10 seconds.

Why is my air conditioning not working in my Nissan Altima?

Take a few easy steps to try and determine the problem in your Nissan Altima. Start the engine and let it to run for a few minutes to allow the air to cool. Double check the controls to make sure the correct buttons are selected. This may seem simplistic, but human error could be to blame.

Why is my portable AC not blowing cold air?

If your AC is blowing cold air out of the top vent, but your room still isn’t getting cold, your room is probably too hot or too large for the heat capacity of your air conditioner. Remember that portable air conditioners can only cool the room size they’re advertised for in moderate outdoor heat.

Why does my air conditioner not pump refrigerant?

When power energizes the clutch coil, the magnetic field pulls the clutch in to engage the compressor shaft. 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.

What to do if your air conditioner won’t engage?

When the air conditioning quits working on your Chevrolet Silverado pickup, the first thing to do is to open the hood and verify that the compressor is properly engaging. A compressor that won’t engage can often be fixed by a home mechanic for a very small cost by checking the electric components and refrigerant level.

What to do if your car compressor is not working?

Turn the key to the RUN position and turn the blower fan to HI. Turn the AC to MAX to start the radiator fans. Then start adding refrigerant. If your vehicle is an orifice tube system, the refrigerant gas will flow through one of the open compressor reed valves and into the condenser coil.

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