W211 AMG Discuss the W211 AMG's such as the E55 and the E63

hmm - fluid leaking down from the S/C pulley

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Old Jun 20, 2016 | 07:07 PM
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hmm - fluid leaking down from the S/C pulley

so - i thought that the car developed a leak at the ATF cooler, but the garage said that there is fluid from the pulley area...

if the bearings were going would it leak enough to cause a stream down the driveway? seems a bit excessive if you ask me...
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Old Jun 20, 2016 | 07:24 PM
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You would have to loose all of it at once for a stream. Unlikely.
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Old Jun 20, 2016 | 11:32 PM
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Wondering if the fill hole plug somehow worked itself loose and drained the S/c fluid? It was parked facing downhill ...

Ugh
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Old Jun 21, 2016 | 03:52 AM
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That sucks....subscribing for more results.
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Old Jun 21, 2016 | 06:42 AM
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Originally Posted by Toadster
Wondering if the fill hole plug somehow worked itself loose and drained the S/c fluid? It was parked facing downhill ...

Ugh
That's actually best case, because it's easy to check, and easy to fix. You might even get the plug back with a magnet stick. If the leak is S/C oil it will stink up your driveway and car, there won't be any question. If it has been changed to jet oil, it has UV dye in it.
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Old Jun 21, 2016 | 09:10 AM
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Did you change your SC oil recently?
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Old Jun 21, 2016 | 09:21 AM
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From: Folsom, CA
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Originally Posted by StarvingArtist
That's actually best case, because it's easy to check, and easy to fix. You might even get the plug back with a magnet stick. If the leak is S/C oil it will stink up your driveway and car, there won't be any question. If it has been changed to jet oil, it has UV dye in it.
it stinks for sure, thought it was ATF - will check today - they kept the car overnight...

Originally Posted by BagMan
Did you change your SC oil recently?
changed it when I replaced the bearing like 12k miles ago...

so - who knows if the plug is gone, how the heck would I get something to plug it back up ? it's not on a spare parts bin I'm sure...
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Old Jun 21, 2016 | 09:35 AM
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It's possible you overfilled it. There were some bad instructions on the forum which said to fill the SC up to the drain hole, but that's too much. It needs to be about 1cm below the drain hole. Like this:




If you really lost the drain plug, here is a pic which may be helpful in finding a replacement.

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Old Jun 21, 2016 | 10:08 AM
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From: Folsom, CA
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Originally Posted by BagMan
It's possible you overfilled it. There were some bad instructions on the forum which said to fill the SC up to the drain hole, but that's too much. It needs to be about 1cm below the drain hole. Like this:

If you really lost the drain plug, here is a pic which may be helpful in finding a replacement.
but why would it drain out well over a year later?

the tech who swapped it replaced only the amount that he removed if I remember correctly...

thanks for the drain plug pic
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Old Jun 21, 2016 | 10:49 AM
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Who knows? I'm just spit balling.

You sure it's SC fluid? There's no mistaking - it smells just like a barn
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Old Jun 21, 2016 | 12:34 PM
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From: Folsom, CA
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Originally Posted by BagMan
Who knows? I'm just spit balling.

You sure it's SC fluid? There's no mistaking - it smells just like a barn
it was pretty stinky LOL
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Old Jun 21, 2016 | 01:05 PM
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well - nothing found, they cleaned up the pulley and surrounding area

maybe time to replace that bearing...
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Old Jun 21, 2016 | 04:23 PM
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Do you have any pics of the "wetness"? Something the rest of us maybe should watch for too
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Old Jun 21, 2016 | 05:00 PM
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From: Folsom, CA
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Originally Posted by turbo97se
Do you have any pics of the "wetness"? Something the rest of us maybe should watch for too
not really, it was a red/orange slime that ran down the driveway, seemed to have some black grit/grime in it too - fortunately the driveway was just sealed a few weeks ago so it wiped up quickly...

it smells like burnt ATF, but the Jet-Oil II smells pretty bad too...

it was dripping from behind the intercooler in the lower grill and the technicians noticed the fluid coming from around the pulley and straight down the block to the underbody tray...

haven't seen it yet today but I hope to chat with the garage guys today...

Last edited by Toadster; Jun 21, 2016 at 05:03 PM.
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