What should I do if my Silverado compressor does not engage?

Hold the can of refrigerant upright and slowly open the valve on the charging hose. The pressure of your can will force the gas into your system. While the compressor may engage immediately, allow the can to empty before removing the charging hose.

What to do if there is no power to an A / C compressor?

Re: No power to a/c compressor, I have checked the fuses,… The trigger from the dash switch activates the relay which in turn switches on the solenoid pulley to engage the compressor to work. If this circuit is traced the fault of a open circuit can be found out. If there is no power in the fuse or relay then the main wiring must be checked.

What to do if your Silverado air conditioner is not working?

Locate the red 10 amp fuse marked A/C COMP and remove it. If the metal ribbon within the fuse appears burnt or broken, replace the fuse. If the fuse is okay, the next suspect is the air conditioner relay. This relay is also located in the fuse box, though there’s no visible indicator to verify that it’s in working order.

What does it mean when your air conditioner compressor won’t engage?

Professional Help. A compressor that won’t engage after refrigerant charging indicates deeper problems with your air conditioning system. It could indicate faulty pressure sensors, damaged wiring or a bad HVAC control module.

Why is there no power to my AC compressor?

No 12 volts at comp plug. Went to heater control panel, have 12 V at ac switch, (with blower on) and so switch is sending it down the line but where it goes to, I don’t know. Can’t find any fuse or breaker labelled AC.

What kind of air conditioner does a Chevy Silverado have?

I have a 1996 Chevy Silverado. The compressor is good and the pressure switches are new. They A/C works if I connect a hot wire to it but it constantly kills my battery.

How much does it cost to replace an AC compressor in a Chevy Silverado?

Upfront and transparent pricing. Our certified mobile mechanics can come to your home or office 7 days a week between 7 AM and 9 PM. Chevrolet Silverado 1500 Car AC Compressor Replacement costs $1155 on average. What is the AC Compressor all about?

What should I do if my AC compressor is faulty?

Check for power and ground at the compressor. If compressor is found to be faulty, remove all of the refrigerant. Remove the compressor, receiver drier, orifice tube, and/or expansion valve. Flush all foreign materials from the AC System. Install new compressor, receiver drier, and orifice tube. Evacuate and recharge the AC system.

When to replace the AC compressor in a GMC Truck?

Since it was under warrenty, they replaced it, and this time flushed the whole system and even replaced some kind of valve w/ a coil on it in the rear A/C system. Drove it 24,000 miles after that w/ no issues, until the day i traded her in.

What causes an A / C compressor to freeze up?

A/C compressor won’t cycle, causes evaporator to freeze up. Just installed new a/c compressor. The compressor runs great and pressures are at right levels. When the low side pressure reaches 21 to 23 psi, the compressor should cycle off to prevent freezing, but it doesn’t. The evaporator freezes up blocking air flow.

How to fix a locked up AC compressor?

Scotty Kilmer, mechanic for the last 48 years, shows how to correctly repair your car’s AC system when the compressor locks up.Do it right the first time and you won’t need to do it again. 1. Vacuum Pump: http://amzn.to/2Aqzfwz 2. AC Gauges: http://amzn.to/2jGFwfN 3. Mechanic’s Tool Set: http://amzn.to/2Bzmccg 4.

Where is the sensor on a Chevy Silverado compress?

The sensor location on the back of the compressor is in a different location than the stock compress that was on 97 silverado. Seems to be working great. The belt pulley is a little bit larger

When do you turn off the compressor in an evaporator?

The compressor runs great and pressures are at right levels. When the low side pressure reaches 21 to 23 psi, the compressor should cycle off to prevent freezing, but it doesn’t. The evaporator freezes up blocking air flow.

What can be the cause of my Chevy Silverado having an AC problem?

2001 Chevrolet Silverado is having an ac problem: air is not getting cold. What can be the cause? Hi my name is XXXXX XXXXX Your complete satisfaction is my goal. Please provide as much information about your concern as you can.

What should I do if my air conditioner compressor does not engage?

How do I charge my Silverado air conditioner?

Home R-134a charging kits are available. Start your engine and turn your air conditioning to the coldest setting. Connect the charging hose to the can of refrigerant and then to the low pressure port of the air conditioning system.

Why is my AC not working on my Chevy Silverado?

Learn if it’s a simple fix or time to seek out a trusted technician. Not your vehicle? Why Isn’t My A/C Working? What are common reasons my Chevrolet Silverado 2500 HD has air conditioning problems?

What to do if your a / C compressor won’t turn on?

Have someone watching the A/C compressor while you start the truck and turn the A/C on. If the compressor cycles on, turn it off. You now just narrowed it down to either low refrigerant or a bad pressure switch. Keep it Professional Grade. Use Genuine GM Parts Cut your fingernails. That’s not me. And spell your name right.

Why is my Chevy Silverado 2500 not working?

While there are a variety of reasons your Chevrolet Silverado 2500 HD 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. What will be the outcome of an air conditioning system diagnosis?

Why is my 2003 air conditioner not working?

Owners of 2003’s may comment about poor A/C performance after they have pressed the A/C button and see what appears to be the snowflake illuminated on the display. What has actually happened, though, is that they have disabled the operation of the A/C compressor and the snowflake symbol, upon closer inspection, has a slash through it.

How do you remove an air compressor from a car?

Drive the vehicle to a facility licensed in air conditioning and have them evacuate the system. Unplug the wiring harness connector for the air compressor. Rotate the accessory belt tensioner toward the engine to loosen the belt. Lift it off the air compressor pulley, but leave it on the rest of the pulleys.

What to do when your air conditioner compressor is replaced?

When you replace the compressor, you should also replace the drier — or accumulator, depending on which model truck you have — and the orifice tube. You may void the warranty on the compressor if you do not change them. Drive the vehicle to a facility licensed in air conditioning and have them evacuate the system.

Do you have to discharge Freon when replacing air compressor?

When replacing the air compressor in a 1989 Chevrolet truck, including the S10, you must discharge the Freon. Since you cannot discharge it into the atmosphere, you must take the vehicle to a shop with a certified recovery system.

Why is the clutch on my AC not working?

If both of those work, then you likely have an electrical issue in the HVAC controls. Check to see if you ground the pressure switch wire and the AC clutch kicks on (check the resistance on the switch).

Why is the AC not working on my Chevy S10?

Learn if it’s a simple fix or time to seek out a trusted technician. Not your vehicle? Why Isn’t My A/C Working? What are common reasons my Chevrolet S10 has air conditioning problems?

Why is my a / C not working on my Chevy Silverado?

Subject: Air Conditioning (A/C) Blows Warm Air Intermittently. This condition may be caused by the A/C compressor clutch cycling out early when the low pressure side reaches approximately 380 kPa (55 psi). The fix is to bring the vehicle to the dealer to have the latest software installed into the vehicle.

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.

Why is my GMC Sierra air conditioner not working?

On a 03-07 Chevrolet/ GMC Truck with the Electronic Climate control, Removing and reinstalling the HVAC fuse, causing the electronic climate control to RESET seems to Remedy the condition in which no power is getting to the AC compressor clutch connector, thus causing the Air conditioner not to work. Will this last forever?

What happens when your air conditioner compressor goes bad?

The compressor clutch regulates when the AC compressor should turn on and off. If the compressor clutch gets damaged, it will keep the air conditioning system permanently on or off. A faulty compressor clutch can be replaced but it is generally recommended to replace the whole compressor to save time and additional cost.

What happens when a / C compressor does not disengage?

by Ben LeDoux. 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.

Why is the AC not working on my Chevy Silverado?

Learn if it’s a simple fix or time to seek out a trusted technician. Not your vehicle? Why Isn’t My A/C Working? What are common reasons my Chevrolet Silverado 1500 has air conditioning problems?

Why does my GMC P / you compressor not turn on?

No. Theres a schrader valve to prevent freon from escaping when you replace the switch. Just make sure you dont overtighten it. This is on a 2004 gmc p/u I have checked the fuse and relay all good. I have jumped high pressure switch .I have no power going to the high pressure switch wiring is good.

Why do I have to run the AC in my truck?

If so most settings run the AC to help keep the humidity down even in the winter months, with the heat on. Also please include Year, make model as well. This helps a lot.

When is the a / C compressor supposed to run?

The compressor is supposed to run during defrost. It pulls moisture out of the air before it hits the windshield. Dryer air = faster defrost. Jus lil heads up, im sure you know already but thats a closed system… Low freon = leak… Tho it could be small My 2000 was doing the same thing.

Why is the pulley on my AC compressor not working?

Check the front side of the clutch to examine its condition. Also, find out whether the clutch and the pulley are spinning. If only the pulley is rotating, the compressor clutch is having an issue, which could be stemming from several sources – a blown fuse, bad clutch oil, low-pressure lockout, or an open wire in the oil.

How to jump start an AC compressor clutch?

How to Jump AC Compressor Clutch 1 Disconnect Clutch Oil Cable. 2 Make Sure Compressor Have Sufficient Oil. 3 Set the Amount of Refrigerant. 4 Jump Start the Clutch. 5 Frequently Asked Questions (FAQs) How Do You Manually Engage AC Compressor Clutch? …

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

Suppose the compressor clutch is not engaging; this is how to check the AC compressor clutch. If the pump is not working, the compressor will not turn. When this happens, it means that there is no refrigerant circulating inside the whole system, and the AC system will not work properly.

What’s the fuse on a 2003 Chevy Silverado?

LBEC 1 50A FLASH Fuse, TBC 2A Fuse. TBC 2B Fuse. TBC 2C Fuse. LT DOORS Fuse LR PARK 10A Exterior Lamps-Left Rear.

How do you connect a jumper wire to a compressor?

Unplug the single wire connector on the front side of the compressor. Take the fused jumper wire and connect its one end to that side of the wire connector that was connected to the compressor. Attach the other end of the jumper wire to the positive terminal of the battery.

How is the compressor clutch relay turned on and off?

In some vehicles the compressor clutch relay is turned on and off by the low pressure switch and the evaporator temperature sensor. In a computer controlled system, the compressor clutch relay is grounded by the computer. If the fuse is good, disconnect the electrical connector from the compressor clutch coil.

Why is the clutch not engaged on my gas compressor?

But if the system is low on refrigerant, the clutch will never engage. Some DIYers then hotwire the low pressure switch to force the compressor clutch to engage while they recharge. BAD MOVE. At that point you’re running the compressor with little to no oil.

Why is my AC compressor running but not cooling?

AC Compressor Running But Not Cooling : The Possible Reasons If the Refrigerant Is Leaking. It often happens, and it is the most common issue that makes an AC blowing hot air. When… If the Condenser Is Blocked. The condenser is one of the important components of an HVAC system as it converts the

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 does my AC compressor clutch not engage?

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?

Where is the AC switch on the back of the compressor?

To install a switch now, you will have to evacuate the system, install the switch and than recharge it. By the way, my online database is showing that the 97’s high pressure cut out switch is located on the compressor and the low pressure switch is on the accumulator.

What should I do if my Silverado compressor does not engage?