C32 AMG, C55 AMG (W203) 2001 - 2007

C32 AMG Electromagnetic Clutch/Charger Shaft Health?

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Old 08-20-2013, 12:39 PM
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Originally Posted by vaiste001
Is your 65 mm pulley from the first or the second batch? I know some of the first batch pulleys were replaced by Eurocharged for some reason. Maybe the material used in the springs was not correct?
I also have a 65 mm steel sc pulley from Eurocharged and I wanted to use this unit after my whole incident with the 61 mm aluminum, but I was not able to because it appears the "arms" that hold that back black plate onto the pulley itself are not straight. When you mention "springs", are we talking about the same thing? When i say "arms", I am referring to the three arms that hold that back black plate onto the pulley itself.
Old 08-20-2013, 01:03 PM
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Originally Posted by clp86rom
I also have a 65 mm steel sc pulley from Eurocharged and I wanted to use this unit after my whole incident with the 61 mm aluminum, but I was not able to because it appears the "arms" that hold that back black plate onto the pulley itself are not straight. When you mention "springs", are we talking about the same thing? When i say "arms", I am referring to the three arms that hold that back black plate onto the pulley itself.
What you are calling "arms" is what we are calling springs. They supposed to be made of spring steel and function like springs. What do you mean by "not straight"? Is the gap between the pulley and the backing plate not even?
Old 08-20-2013, 03:53 PM
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Originally Posted by clp86rom
I also have a 65 mm steel sc pulley from Eurocharged and I wanted to use this unit after my whole incident with the 61 mm aluminum, but I was not able to because it appears the "arms" that hold that back black plate onto the pulley itself are not straight. When you mention "springs", are we talking about the same thing? When i say "arms", I am referring to the three arms that hold that back black plate onto the pulley itself.

That's a known issue and Eurocharged will have the spring clips (arms) replaced for free. The one's on the early pulleys were made from a softer steel, and over time the gap between the clutch and pulley would decrease from the spring clips bending.

As far as the issue with the 61 splitting in half, I'll be keeping my ancient "old school" 65mm pulley (including tools) in my hatch from now own. It's a tank!


Last edited by Grip Grip; 08-20-2013 at 04:04 PM.
Old 08-20-2013, 05:03 PM
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After communicating with Jerry, my 65mm is going back to EC for inspection.
Old 10-06-2013, 11:57 PM
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Originally Posted by Lenin
What you are calling "arms" is what we are calling springs. They supposed to be made of spring steel and function like springs. What do you mean by "not straight"? Is the gap between the pulley and the backing plate not even?
Yes. The gap between the pulley and the clutch is not even due to the springs not being straight.
Old 10-07-2013, 12:10 AM
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My second 61 mm aluminum pulley is going bad...caused a new fresh belt (that was installed with the replacement pulley) to break half way home from a trip :-(

So my first 61 mm pulley broke on me on a trip to Los Angeles (approx 5 hrs) from San Jose (yet not the belt but it did get messed up), and now my second 61 mm pulley started acting up (making sounds the minute i got there from the long drive and after maybe a few hours of the car cooling off) on my trip this weekend to Redding (approx 4 hrs) from San Jose but only the belt broke this time on the way back.

I have had way to much loss of time, some money, and frustration with this setup :-(

I am thinking of going with the stock setup even though I have this 65 mm pulley... Has anyone put long trip miles on the 65 mm pulley? I would have to have EC replace the springs anyways on it.

Last edited by clp86rom; 10-07-2013 at 12:14 AM.
Old 10-07-2013, 12:21 AM
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Originally Posted by Grip Grip
That's a known issue and Eurocharged will have the spring clips (arms) replaced for free. The one's on the early pulleys were made from a softer steel, and over time the gap between the clutch and pulley would decrease from the spring clips bending.

As far as the issue with the 61 splitting in half, I'll be keeping my ancient "old school" 65mm pulley (including tools) in my hatch from now own. It's a tank!

Just to make sure i understood you...you are running the 61 mm aluminum right now, and will be keeping your 65 mm steel one in the trunk with you?
Old 05-16-2014, 03:54 PM
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Not to bring back this old thread from the grave...but I've been planning on doing the sc pulley, tune and nw cai for a while now. Now that my job doesn't require insane daily mileage now is the time. I bought and installed the cai but before I take the next step, I want to make sure EC straightened out these problems.
Old 05-16-2014, 05:33 PM
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Originally Posted by clp86rom
Just to make sure i understood you...you are running the 61 mm aluminum right now, and will be keeping your 65 mm steel one in the trunk with you?
My issues have been taken care of right away. The new version of the pulley appears to have better rivets and I already logged 5K miles with that pulley.
Old 05-16-2014, 06:07 PM
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Originally Posted by Lenin
My issues have been taken care of right away. The new version of the pulley appears to have better rivets and I already logged 5K miles with that pulley.
Thanks for info. Anyone else??
Old 05-17-2014, 02:57 AM
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Originally Posted by Lenin
My issues have been taken care of right away. The new version of the pulley appears to have better rivets and I already logged 5K miles with that pulley.



are you running the 61 or 65mm?
Old 05-17-2014, 11:36 AM
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Originally Posted by C3Duece
are you running the 61 or 65mm?
Since I was having fuel shortages, I have been running 65mm EC pulley in a stacked setup with a larger crank pulley. Once I resolve my issues, I'll be looking to sub the 65mm with a Karmen 62mm pulley.

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