Shorts to power or ground on the ac compressor clutch coil circuit.Slipping clutch pressure plate due to out of specs compressor clutch gap.Drive belt slipping on a/c compressor pulley creating excessive high heat load.This component is often termed as the heart of the AC system. Over time, the clutch can experience damage and fail to engage the compressor. Pre-shimmed, rubber damped clutch assemblies help. It's just like the transmission's clutch pedal, only it's automatically operated by a sensor. If your A/C compressor works, but the clutch wont engage, your Ford may need only a new compressor clutch. Cooling system underperformance affecting a/c operation. The A/C clutch is responsible for engaging the compressor pulley with the motor to run the compressor.Excessive high compressor temperature due to air conditioning system contamination.The compressor magnetic clutch is struggling to. These are some of the reasons why an ac compressor clutch may get damaged: I just had my air con re-gassed as it was empty, and amazingly its quite warm here at the moment. What causes AC compressor clutch failure?Īll electro-magnetic clutches operate on the same principle of using an electrical current passing through a coil of wire to create a magnetic field capable of creating an action. SYMPTOMS OF A BAD OR FAILING AC COMPRESSOR Some Air conditioning tests has shown that with an undercharged ac system, the oil amount in the compressor was reduced by over 57%. The amount of oil in the compressor can get down to dangerously low levels creating excessive heat and, in most cases, leading to failure of the unit. With a large refrigerant undercharge, oil is pumped out from the compressor and becomes trapped in the evaporator or other ac components of the system and is unable to properly return to the hvac compressor. LOW REFRIGERANT AND LOW OIL CONDITION COULD LEAD TO AC COMPRESSOR DAMAGE
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