2005 C240 Whining Noise While Compressor is Engaged

Let me start by saying I have had the A/C compressor replaced twice in the past 3 months, and the noise has not gone away. So, there is a whining noise when the ac compressor is on. I have replaced the idler puller, tensioner pulley and tensioner assembly, the alternator and the belt. I have noticed a substantial power loss while the compressor is engaged. The mechanic I took it to made a suggestion that when the compressor is engaged, it increases the load on whatever and is causing... 2005 C240 Whining Noise While Compressor is Engaged

Let me start by saying I have had the A/C compressor replaced twice in the past 3 months, and the noise has not gone away.
So, there is a whining noise when the ac compressor is on. I have replaced the idler puller, tensioner pulley and tensioner assembly, the alternator and the belt. I have noticed a substantial power loss while the compressor is engaged. The mechanic I took it to made a suggestion that when the compressor is engaged, it increases the load on whatever and is causing...

2005 C240 Whining Noise While Compressor is Engaged

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