I recently posted a thread about a humm in the rear. It would humm during acceleration. I have jacked up the vehicle to see where the noise was coming from. It appeared to me that it was coming from the front pinion bearing where the drive shaft conects to the differential. I have since, dropped the differential from the vehicle and noticed that the dust cover would rub and make noises on rust and debris that built up on the case. I have cleaned this up and now it doesn't rub and the differential seems to spin with no noises. Seems very smooth. Could it be possible that the humm was from this cover rubbing? Has anyone had this same problem. I am have tempted to put the diff back in the car to see.....or should I just have the bearings changed out now that it is out of the car?
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Ok, I have one more discovery. With the differential out of the car, I cleaned it up real good and front what I can tell...looks very good and seems to function well. I got underneath the car to clean the area above where the diff mounts while its exposed. Anyway, I started playing with the CV joints and noticed that the driver side CV was very stiff and difficult to flex....where as the passenger side was nice and moved freely....now I am wondering if I just need to replace the CV half shafts. Does everyone agree that this is worth a try?
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Sounds more like rear wheel bearings. With the rotors off and cv axels out spin the hub if its not super quiet or it is notchie at all replace them. Rare to see bearings go in the rear unless you run it dry. As a side note tighter cv axel is a better cv axel, loose means wear in the joint.Comment
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