In most cases, it is possible to replace just the clutch on an AC compressor without replacing the entire compressor unit. The clutch is the component responsible for engaging and disengaging the compressor pulley from the compressor shaft. It allows the compressor to turn on and off as needed to regulate the cooling of the AC system.
If the clutch itself is faulty or worn out, it can be replaced independently. This is often a more cost-effective solution compared to replacing the entire compressor assembly. However, it's essential to assess the condition of the compressor and other components before deciding to replace only the clutch.
In some cases, if the compressor itself is damaged or shows signs of significant wear, it may be recommended to replace the entire compressor unit. This is because the compressor and clutch work together as a system, and if the compressor is compromised, it can lead to further issues or decreased performance even with a new clutch.
It's important to consult with a qualified HVAC technician or mechanic who specializes in AC systems to assess the specific situation and determine the appropriate course of action. They will be able to diagnose the problem accurately and advise whether clutch replacement or compressor replacement is the best option for your AC system.