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08-09-2011, 11:22 PM #1
Center support bearing symptoms when bad
Hey guys I have an 03 chevy 2wd and I have noticed a clunk slash shudder when taking off from a dead stop and also a clunk when coming to a stop. I was wondering if this could be the center support bearing? I did get underneath and greased the slip yoke zerk and looked at the
bearing, should I be able to move the shaft or should there be play up and down and all around when hooked up? some advice would be nice
08-10-2011, 08:26 PM #2
In general, when it comes to drive shafts, if the noise or vibration changes under load it is the U-joint and if the noise/vibration changes with speed it can be blamed on ballance. There should be no noticable play in the bearing and it should also be held firmly in place by the mount and isolation rubber. My money would be on the U-joints being bad.2000 GMC YUKON SLT, 5.3L tow pkg, G80 rear/w 3.73 gear
08-11-2011, 09:57 AM #3
Even though i can move the bearing inside the rubber?? i wonder if its multiable problems like center support and u joints???
08-12-2011, 10:07 AM #4
If you can move it with only your hand then I would consider it bad. Also most certainly could be a combination of carrier bearing and U-joints. I just recently changed the U-joints in my Yukon and though it is well within the realm of DIY, it is a struggle without the proper size press. Others have removed the drive shaft, purchased U-joints, and then taken it to a shop to have them changed. Some shops may insist on providing the parts as they make some profit on parts mark up and issues with a warranty on a part they didn't choose.
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