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#1
10-31-2007, 02:46 PM
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Driveshaft sticky U-joint question
Hi, I'm replacing my drive shaft support bearing and support bracket as part of other work I'm doing on my W123. I noticed that the driveshaft U-joint is sticky what seems to be in the perfect center of the joints.
And by sticky I mean if I move the parts around - they are smooth until it centers, then it feels like the joint is falling into a groove of some sort. This is the same for all 4 directions of movement. Does anyone know if this is the special design of the U-joint or a really bad wear? The old bearing was pretty lose and noisy - could have been original from 1982. The support bracket rubber was completely torn up. Thanks. 
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#2
10-31-2007, 03:31 PM
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You cant just replace the U joint, MB says you must replace the entire drive shaft
 I just did a center support and believe I remember my U joint being "sticky" in the center.A GOOD drive shaft could replace the U joint if need be .
__________________
 1985 Euro 240D 5 spd 140K 1979 240D 5 spd, 40K on engine rebuild 1994 Dodge/Cummins, 5 spd, 121K 1964 Allice Chalmers D15 tractor 2014 Kubota L3800 tractor 1964 VW bug "Lifes too short to drive a boring car"
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#3
10-31-2007, 04:09 PM
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Quote:
__________________
-diesel is not just a fuel, its a way of life-  '15 GLK250 Bluetec 118k - mine - (OC-123,800) '17 Metris(VITO!) - 37k - wifes (OC-41k) '09 Sprinter 3500 Winnebago View - 62k (OC - 67k) '13 ML350 Bluetec - 95k - dad's (OC-98k) '01 SL500 - 103k(km) - dad's (OC-110,000km) '16 E400 4matic Sedan - 148k - Brothers (OC-155k)
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#4
10-31-2007, 05:17 PM
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Same here, mine seemed to want to stay centered. It still felt tight, it just hung up at one spot. I replaced the bearing and have had no problems or noise at all.
__________________
"spreading a trail of obnoxious where ever we go" 1981 300sd w/ 341,500 miles http://www.wecrash.com/pics/ddda_banner.gif
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#5
10-31-2007, 05:25 PM
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The u joint rarely if ever flexes in normal operation on a w123. Dont worry about it.
__________________
http://superturbodiesel.com/images/sig.04.10.jpg 1995 E420 Schwarz 1995 E300 Weiss #1987 300D Sturmmachine #1991 300D Nearly Perfect #1994 E320 Cabriolet #1995 E320 Touring #1985 300D Sedan OBK #42
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