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05-13-2016, 08:44 AM | #1 | |
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Location: Greeley, Colorado
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Replaced u joints now bad vibration
So I have a 2000 Chevy blazer that I found to have a bad u joint on the rear driveshaft. So marked the shaft, removed it and put new u joints in all around. Now I have a bad vibration (worse than with old bad u joint) I rotated the shaft 180 degrees from where it was as some said this will fix it. It did help but still have a slight vibration. My biggest concern tho is the rear u joint that bolts to the read diff yoke. The yoke on the rear differential does not have any "ears" to hold the cups in. On the OEM u joint there was a retainer strap that went from one u joint cup to the other thus keeping the cups in place. The new u joints do not have that and I have searched high and low to find an aftermarket one that does but have had no luck. So my question is does anybody know where to get a u joint with that retainer? I think that's my problem, my cups are moving in the yoke because there is nothing to hold them in one spot. So it's safe to say that until I get that taken care of my blazer is unsafe to drive. Any help in the right direction is appreciated.
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05-13-2016, 10:58 AM | #2 | |
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Re: Replaced u joints now bad vibration
The new joints should have come with a set of tensioned "c" clips that snap into the groove of the bearing caps. This keeps the u-joint set where it needs to be.
http://shop.advanceautoparts.com/wcs...5_pri_larg.jpg |
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05-13-2016, 12:43 PM | #3 | ||
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Re: Replaced u joints now bad vibration
Quote:
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05-13-2016, 01:30 PM | #4 | ||
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Re: Replaced u joints now bad vibration
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05-13-2016, 05:30 PM | #5 | |
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Re: Replaced u joints now bad vibration
on my 2000 silverado I found so many U joints listed and finally found the correct ones. I have the huge alum drive shaft so what happened was the U joint cap bearings seized on one . the front yoke was good but I purchased those any way but did not install . both on my truck are different U joints , not sure on the blazer..... but the ones you installed should be exactly the same .. bring old ones in to the part store and compare. find numbers that say it will fit .. then compare. it its not the same do not install them . axle is most likely not in line off centered etc..
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05-13-2016, 06:14 PM | #6 | |
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Re: Replaced u joints now bad vibration
http://www.ebay.com/ Search item 252094260902
Look at picture notice small dogs at the end that hold in the universal joint on the yoke. |
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05-16-2016, 11:16 AM | #7 | |
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Re: Replaced u joints now bad vibration
Found my problem... I did end up getting the rear one to fit into the yoke with the clips so the caps wouldn't move...I also found the front u joint was "binding up" ever so slightly. When I installed it the front moved free and smooth but the caps must have not been seated all the way and after driving a short distance they moved...couple of light smacks to one of the caps and the opposite yoke ear and it was as smooth as butter again. Reinstalled the driveshaft and problem solved no more vibration.
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