A/C compressores e Embreagens para Chevrolet Silverado 1500

Chevrolet Silverado 1500 A/C Compressor and Clutch

The Chevrolet Silverado 1500 A/C compressor and clutch are both central components in the A/C system, and any signs of damage should immediately be investigated. The belt connection can cause a failure of either to result in significant damage to other connected or unconnected devices. For instance, a seized rotor could cause the belt to snap, breaking hydraulic hoses or other delicate instruments.

How does an automotive A/C compressor work?

While it may seem complex, the Chevrolets compressor is actually a lot simpler than it seems. Its main job is to take the refrigerant, which starts out as a hot gas, and compress it until it reaches the point where it is forced to enter a liquid state. Once it gets to this point, it can be pumped out to the other parts of the A/C to be properly cooled so that it can be used. The compressor gets the power it needs from the engine via a direct connection that’s provided by a belt. Because of this direct connection, the rotor cannot be stopped when the engine is running. Instead, there needs to be a way to sever the connection between the rotor and the pump that it is driving. This is done by the compressors clutch, which means that the clutch is an important part that is central to the functionality of the Silverado vehicles A/C system as a whole.

How does an A/C compressor clutch work?

The clutch utilizes a simple mechanism that makes it possible to selectively magnetize and demagnetize two metallic parts that create the connection between the rotor and the compressor pump. Inside of the compressor, there is a friction plate that is connected to the rod coming from the compressor rotor and another one that is connected to the pump. There is a small electromagnet that is located nearby, and when the A/C is switched on, this electromagnet activates. It, in turn, magnetizes the plates and causes them to become magnetically attracted to each other, at which point they become locked together and enable the rotor to drive the pump. When the air conditioning is turned off in the Silverado pickup, the electromagnet shuts down, and the previously magnetized parts lose their magnetism. In order to make them separate, one has a spring connected that will pull it back and sever the connection.

What are some signs of a failing compressor clutch?

There are a few signs that can point to a damaged clutch, and if your Chevrolet Crew Cab vehicle starts to exhibit any of these, you should have it checked out and/or replaced immediately.

  • Excessive noise - If you hear a lot of noise coming from the Chevys engine bay when you turn on the A/C, then one of the bearings inside the A/C clutch may have been damaged. This is usually caused by a separate mechanical problem that causes an increase in temperature, which damages the seal on the bearing.
  • A/C wont switch - If the Chevrolets A/C is stuck either on or off, then the clutch may not be able to toggle it as it is supposed to. The clutch may either be seized, which would cause the pickup trucks A/C to be stuck on, or it may have broken internally, which would prevent it from turning on.