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|Bearing Type:||Needle Bearings|
|Outside Diameter:||1 in|
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Q:Is this a DIY project? My A/C comp IS MAKING NOISE that sounds like a bearing. I had work done on the truck and when they put the a/c comp back in they left out the bolt on the bottom side that looks as though it would keep it aligned parallel to the pulley. Am I correct?
A:If you have already replaced the compressor bearing then the noise should not come from the AC. Listen carefully on the noise, like which part you are hearing it. It is worth looking to see if the car has a belt tensioner idler pulley as that might just be the source of the noise or maybe allowing the belt to screech. Double check that the noise is not coming from the electric fans on the radiator which frequently start and stop when the AC is turned on and off. It may just also be a damaged clutch boss or face. If you are unable to find the exact cause of the noise, I would suggest taking your vehicle to a certified mechanic for a proper diagnosis.