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2007 E63 M156 engine oil cooler O rings

 
Old 02-08-2017, 03:46 PM
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07 E63 + 07 CLK63CAB
2007 E63 M156 engine oil cooler O rings

Looking for info on DIY replacement of the O rings on the drive side of block for the oil cooler lines.
Twin lines run from the block to the front cooler.
Located above the AC compressor and in a terrible spot.
Anyone had success with the O ring replacement
Just to clarify they are located on the engine block two aluminum oil lines held on with male torx screws, one screw per line
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Old 02-09-2017, 01:53 PM
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No one ever change these O rings ????
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Old 02-09-2017, 02:26 PM
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2006 E55, 2005 C55, 2005 E320 Estate Sport, 2015 ML350
Remove belt and unbolt the AC compressor
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Old 02-14-2017, 03:55 AM
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2007 Mercedes E63 AMG Pano, 2002 Audi A4 1.8t
mine have been leaking for a year now...gonna have to bring her into the shop this week or next as it's gotten worse.

picked up o-rings a few days ago...they were something like $11.56 each. was discounted to $9.xx after I asked for a better price.
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Old 12-21-2017, 05:53 PM
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E63 AMG
Id like to know as well... I have the same issue.
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Old 12-21-2017, 06:32 PM
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2007 Mercedes E63 AMG Pano, 2002 Audi A4 1.8t
https://mbworld.org/forums/w211-amg/...only-find.html

had my buddy replace these as well as replace my lifters and head bolts. it is not an easy job as you have to remove all front engine covers, and reseal the upper oil pan. at this point my upper oil pan was also leaking so he had to reseal both upper, mid, and lower pans.

its a lot of work for a DIY'er
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Old 03-23-2019, 03:06 PM
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2014 SLK350, 2008 CLS63 (Previous 2006 E350, 2006 CLS500, 2005 C230K)
I need to do this too...
There is nothing in WIS about this, let's see if unbolting compressor works...
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Old 03-25-2019, 01:45 PM
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2007 Mercedes E63 AMG Pano, 2002 Audi A4 1.8t
from what i recall from my mechanic...unbolting the compressor will make things easier but isn't absolutely necessary. not unbolting it does add quite a bit more work from what i recall.
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Old 03-25-2019, 03:14 PM
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07 E63 AMG, 10 C63 AMG, 07 E63 Designo, 07 E350, 09 C300, 07 C230
Unbolting definitely frees up room to get your hands in there. I along with my mechanic replace mine last year.
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Old 03-25-2019, 03:17 PM
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Yes un bolting the compressor was enough for access along with the removal of the power steering bracket.
Also had fun removing the line bracket bolt which is directly over the from subframe.
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