Will upgrading the pulley solve this sound? *video clip included*
03-17-2015, 03:15 PM
#1
Senior Member
Thread Starter
Will upgrading the pulley solve this sound? *video clip included*
about 15 months ago I replaced the outer supercharger pulley bearing...fast forward to now, The sound I'm am hearing now is coming from what I believe is the inner pulley bearing. It a very metallic, high-freq grinding noise. Am I right to believe that the sound hearing is the inner bearing? And if i were to upgrade the pulley (probably not gonna go clutchless, for better reliability), will that require me to replace this bearing anyway? I remember reading something about a special MB tool I will have to buy before doing this repair, is that correct?
Thanks for any input
Thanks for any input
03-17-2015, 04:02 PM
#3
Senior Member
Thread Starter
Would you agree that my inner bearing is shot? I found a how-to on the electro magnet removal, from my understanding a pulley upgrade wouldn't correct my issue. I.e: the 77mm clutch pulley you just posted in the vendor section, aside from the belt kit the only thing that included is what's pictured, correct?
Sorry the answers to my questions may seem obvious, but i just want to verify the research I'm doing in a form of questions that I have...
Sorry the answers to my questions may seem obvious, but i just want to verify the research I'm doing in a form of questions that I have...
03-17-2015, 05:22 PM
#5
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2003 W211 E55, 2003 W220 S600
Would you agree that my inner bearing is shot? I found a how-to on the electro magnet removal, from my understanding a pulley upgrade wouldn't correct my issue. I.e: the 77mm clutch pulley you just posted in the vendor section, aside from the belt kit the only thing that included is what's pictured, correct?
Sorry the answers to my questions may seem obvious, but i just want to verify the research I'm doing in a form of questions that I have...
Sorry the answers to my questions may seem obvious, but i just want to verify the research I'm doing in a form of questions that I have...
03-17-2015, 08:27 PM
#6
Senior Member
Thread Starter
No wear, that's just tape residue when I used cloth tape around the mag to provide better grip for the strap wrench.
Last edited by zhmorrow13; 03-17-2015 at 09:13 PM.
03-17-2015, 08:30 PM
#7
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03-18-2015, 08:10 PM
#8
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03-21-2015, 01:30 AM
#11
Senior Member
Thread Starter
Toadster- yes I know I need to change the bearing, my question is which bearing? Is the clutch bearing shot, or is it the outer Nachi s/c bearing That's shot? I'm really doubting that it's the Nachi because I replaced that about 20-25k ago. I really am trying to pinpoint this issue without the unnecessary replacement of good parts...
03-21-2015, 07:30 PM
#12
MBWorld Fanatic!
Toadster- yes I know I need to change the bearing, my question is which bearing? Is the clutch bearing shot, or is it the outer Nachi s/c bearing That's shot? I'm really doubting that it's the Nachi because I replaced that about 20-25k ago. I really am trying to pinpoint this issue without the unnecessary replacement of good parts...
