![]() Turn the engine off first before removing the fuse for the AC compressor.Ĭheck if both ends are still electrically connected with a multimeter or other devices. You can check the fuse of your car’s AC compressor if it is working or not by using a multimeter. Too much voltage induced in your car components will them to be damaged, hence a fuse is installed in the fuse box usually placed near your car’s battery. ![]() If it is not blown, then it could also be burnt which provides the same results. Malfunctioning AC compressor will not provide the cabin cold air Why is my AC compressor clutch not engaging? Cause #1: Blown fuseĪ fuse is used to blow when too much voltage is sent through the AC compressor system lines. ![]() If your AC compressor clutch is not engaging, then your A/C will not work since it is the one responsible for compressing the refrigerants to the whole system. The pulley is then sandwiched by both the AC compressor clutch and the clutch coil which ultimately results in operating the AC compressor. The clutch coil consists of wires that pull the AC compressor clutch to it if you turn the A/C on in the cabin. However, it is not consistently moving the AC compressor unless the clutch engages it to the AC compressor with the help of the clutch coil. As said earlier, the clutch is used to connect the AC compressor to the drive belt by engaging the pulley.Ī pulley is a free-spinning component built with a bearing that is consistently spinning since it is connected to the drive belt. These components include the clutch, pulley, and clutch coil. Inside an AC compressor, three main components are essential in operating the AC compressor. > Related: List of popular car aircon repair shops in the Philippines What makes an AC compressor clutch engage? This is the reason why you hear your engine makes louder noises after turning the A/C on.Īn AC compressor is driven by the serpentine belt alongside other accessory parts Once you turned your air conditioning system on, the AC compressor will start rotating by engaging the clutch. If your air conditioning system is turned off, the clutch is not engaged, hence the AC compressor is not driving. The AC compressor clutch is used to engage the power from the engine to the compressor. An AC compressor receives power from the engine to function with the help of the drive belt and its clutch. Booking takes just 2 minutes.Easy A/C Clutch Coil Test A/C Clutch Not EngagingĪs the name suggests, an AC compressor compresses the refrigerants before going to the condenser and into other components and back to the compressor. However, it also helps to ensure the windows remain defogged and transparent which is a necessity when driving.Īt My Auto Shop we have hundreds of trained, MTA approved mechanics ready to get your AC Compressor Replacement completed. It can be… The AC compressor is a major component of the AC system, and therefore ensures the cabin remains cool. Is driving with a broken A/C compressor unsafe? The cost runs between $960 & $1,500 depending on the make and model of your vehicle. How much does a A/C compressor replacement cost?ĭespite being an uncommon issue it’s pretty expensive to have your AC compressor replaced. Once removed the clutch is unplugged and the refrigerant lines are disconnected from the compressor, before it can be replaced.įollowing the installation of the new compressor the mechanic will need to re-gas the refrigerant throughout the entire system and ensure that the AC is working properly. They will then remove the serpentine belt and AC compressor clutch pulley. In order to complete a AC compressor replacement the mechanic will need to first remove all of the refrigerant from the system, ensuring that the system is no longer pressurised. What happens during a A/C compressor replacement? A heavy clunk noise from the clutch when it engages.A seized AC compressor will often result in a broken serpentine belt.Failure of the AC system to produce cold air when activated.It is time to get your AC compressor looked at if you notice any of the following symptoms: How do you know when it is time to replace your A/C compressor? It’s an unlikely fix so you may never need to get an AC compressor replaced, although its much more likely to break down on vehicles over 15 years old. The refrigerant in the system can be harmful if released into the environment, and should always therefore be managed by a trained professional. The AC compressor in your vehicle is one of the cabin cooling systems major components and has the job of pressurising the refrigerant in the air conditioning system, as well as circulating the refrigerant which is necessary for the rest of the system to focus on keeping it cool.
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