Air Conditioning problem
2000 GMC Yukon V8 Four Wheel Drive Automatic 140000 miles
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I have a 2000 yukon 4x4 and need to replace my A/C compressor. My question is do I need to also replace the condensor and completely flush the system. And can the exsisting condensor, oil and freon by reused.

why are you replacing the compressor? if it isw leaking at the seal in the middle or front then you can use the old condenser. if the compressor blew up internally then you will have to evacuate all the old freon and oil out of the system and most likely atleast replace the orifice tube(filter) and recharge with new oil and refrigerent

There are no leaks that i know of I am looking at replacing the A/C compressor becuase the belt tensioner bounces loudly when AC is on and while accellorating. I have already realced the belt tensinor and belt and the noise it still there. It stills blows out cold air in the fornt and and not so cold in the back of the yukon.

im not sure this is going to fix your problem but you would not need to replace condensor or anything else and you could reuse old freon if you have a ac recycle machine. i would check the pressures and see if maybe you have a higher than normal high side pressure. this is most commonly caused by a weak fan clutch. the higher than normal pressure would cause more stress on ac compressor. a fan clutch that is bad wont necessarily make your engine coolant temp any higher so dont be deceived.