QA

How To Replace Ac Compressor Clutch

Can you replace just the clutch on an AC compressor?

Yes you can just replace the clutch pulley on the a/c compressor. The issue that you may have is the pulley bearing seized up and may have spun on the front of the compressor nose cone and will damage it.

How much does it cost to replace AC compressor clutch?

The average cost for AC compressor clutch replacement is between $563 and $613. Labor costs are estimated between $177 and $223 while parts are priced between $386 and $390. This range does not include taxes and fees, and does not factor in your specific vehicle or unique location. Related repairs may also be needed.

What causes AC clutch failure?

Clutch failure is usually caused by high pressure or voltage issues, or a combination of both. With a wrong charge the pressure switches will cause the compressor to constantly engage and disengage. If there is not enough charge the compressor will overheat due to a lack of oil circulating.

How long does it take to replace a compressor clutch?

The replacement of the compressor is about 1.5 hours and does not include the recover or evacuate and recharge of the system. The orifice and accumulator is additional components that would need to be replaced. The system may need to be flushed out also for additional labor.

Is it better to replace AC clutch or compressor?

The primary reason to replace an entire A/C compressor and clutch assembly is for better long-term reliability. The AC clutch pulley might be what needs replacement, but it’s likely to have done some damage to the compressor on its way out.

Can you lubricate AC clutch?

Do not lubricate the clutch plates. If what you object to is the “click” that is simply the sound of the clutch being energized and pulling in. If it is happening constantly, you may have a low charge.

How do you know if your AC compressor clutch is bad?

Bad AC Compressor Clutch Symptoms Higher Cabin Temperatures. The most common sign of all bad ac compressor clutch symptoms is a higher cabin temperature than usually during hot days when you need the A/C. Loud Noises. Clutch Stopped Moving. Inability to Turn Air On or Off. Leaking Refrigerant.

What causes AC compressor clutch to stop working?

One of the reasons why compressors do not engage is because of a low pressure lockout, a poor ground, a bad clutch coil, an opening in the wire to the clutch coil, or simply a blown fuse. Two, the clutches activate through a relay that’s energized directly by a certain condition of the low/high pressure switches.

How do I manually engage my AC compressor clutch?

At the compressor’s front side, unplug the single wire connector, take a jumper wire and attach it to the wire that you just disconnected from the compressor. Connect the other end of the jumper’s wire to the positive terminal of the car battery. This will enable the compressor to start manually.

What should I do if AC compressor clutch is not engaging?

Check the wiring to the clutch – If wires aren’t connected properly this could impact how the compressor is working. Wire need to be connected and in good condition to provide enough power. (In addition the high pressure switch and evaporator temperature sensor could be faulty or have loose wires).

How long does it take a mechanic to replace an AC compressor?

It usually takes about 4–6 hours to replace a compressor (properly), depending on the size of the unit and access to the compressor. Here are the steps to do it right: Recover and evacuate the existing refrigerant from the system.

How long does a replacement AC compressor last?

AC compressors can last 10 to 20 years, depending on where they are located, how well they are maintained and how often they are used. In the northern part of the U.S., air conditioner compressors last 15 to 20 years, while in the south, AC compressors can last 8 to 10 years.

How long does it take for AC compressor to build pressure?

It takes 2.5 minutes to get full pressure. Tools are guaranteed to work at 90, so don’t operate tools over 100psi.

Can you disconnect AC clutch?

As long as the AC clutch will still disconnect, you can. Disconnect the electrical connector in case anyone turns the A/C on accidentally, or unknowingly. If the clutch is “locked” and the compressor is locked, you won’t be able to run the engine unless you can “bypass” the compressor somehow.

When replacing car AC compressor what else should be replaced?

For the compressor that is seized, you will at the very least need to replace the compressor assembly and clutch, receiver drier, expansion valve, and flush out the system. I recommend having a mechanic diagnose your vehicle to see if any other components need replaced in order to fix your air conditioner.

Should AC clutch spin freely?

Most AC clutches are designed to spin freely when disengaged, and also with the pulley and compressor when those are engaged. If the clutch spins freely at all times, and the compressor never comes on, then it may not be engaging and therefore needs to be replaced.

Can I spray WD 40 on my AC compressor?

Do NOT use WD-40 or other all-purpose lubricants. 5. Spray the inside of the empty air conditioner unit with moderate pressure from a water hose.

Can you Lube car AC compressor?

Like any mechanical system, it’s important to make sure your air conditioning system stays lubricated, and AC compressor oil is the lubricant for the job.