C-Class (W203) 2001-2007, C160, C180, C200, C220, C230, C240, C270, C280, C300, C320, C230K, C350, Coupe

Drive shafts

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Old Jul 7, 2014 | 09:59 PM
  #1  
Case1's Avatar
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2003 C240
Drive shafts

I replaced the left front CV shaft last night as I was hearing a clicking and popping noise when I turned. Needless to say that didn't fix it. I took it by a local shop and the guy tells me it is one of the actual drive shaft U joints. Is it possible to replace a worn U joint in whichever shaft it is?

Thanks,

Case
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Old Jul 8, 2014 | 07:51 AM
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From: Coon Rapids MN
2005 C240
I would say if it is a clicking/ popping noise when your turning you may have replaced the wrong axle.

Now as for the u joints, there are no u joint in the rear at all. They have flex discs made of rubber. Transfer case to the front there may be some kind of u joint but I think it more of a cv joint then u joint. I have not heard much about this joint going out even with a search of the forum not much info comes up.


I would look back to what front axle you replaced. I would also wonder about the quality of your replacement part (OEM or reMFG'ed).

edit

Well after a little searching there are u joint in the front. So disregard what I said above about that.

but when you say the noise only happens when you turn i would still point to a bad cv joint and not the front propshaft.

Last edited by BigN8; Jul 8, 2014 at 08:24 AM.
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Old Jul 20, 2014 | 06:02 PM
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2003 C240
Would the flex disc or the driveshaft bearing make a noise as if the cv shaft were out? Which one or both if bad I guess is what I am saying,, would make the same sound as if the cv shaft were out?
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Old Jul 21, 2014 | 09:32 AM
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From: New Joisey
13 Jeep JKU Sahara w/4" lift Kit & the works,2015 Toyota Sienna XLE,2013 Hyundai Sonata Hybrid
Any noise arising while turning especially a clicking noise is 99% of the times related to the CV joint. The CV joits rubber boot is worn with cause water, salet and debri to enter the joint area and dry out the grease/lubrication whihc will cause excessive heat and will result in a failed component.

Hope this helps.

Javvy
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Old Jul 21, 2014 | 09:42 AM
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From: Coon Rapids MN
2005 C240
I agree. If the noise only happens when you turn it will most likely be CV joint.
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