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Oil Separator Replacement Procedure - help!

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Old Feb 25, 2025 | 12:38 PM
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C63 MY15
Oil Separator Replacement Procedure - help!

I am trying to establish what the procedure is to replace the oil separators on a C63 coupe are.

I have heard that you need to remove inlet manifold and to do this, it’s engine out. Is that correct?

It seems you have to remove charge coolers, but engine out to replace oil separators seems extreme.

Has anyone got any info or tips?

thanks
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Old Feb 25, 2025 | 01:03 PM
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2014 E63S; AMS 100 octane ECU dyno tune; EDOK TCU tune; BB intakes; sprintbooster
Do you have the RMS leak or are you doing this preemptively?
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Old Feb 25, 2025 | 04:17 PM
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Originally Posted by PeterUbers
Do you have the RMS leak or are you doing this preemptively?
No RMS, though a slight leak from/around a separator

thanks
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Old Mar 1, 2025 | 11:33 PM
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2021 AMG C63S, 2008 C300
Radiator package has to get pulled (front AUX radiator, A/C condenser, main coolant circuit radiator), front turbo intercoolers removed. And then you have access to the oil separator’s for both bank's. The engine absolutely does not need to come out. When my thermostat was replaced under warranty the engine was not removed. But the components I stated about were removed with the engine in the car with plenty of access to the front end of the engine.
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