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W215 V12 turbo removal

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Old Oct 29, 2017 | 11:34 AM
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Exclamation W215 V12 turbo removal
Has anyone removed the turbos without removing the engine and if yes how ?

thx
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Old Nov 1, 2017 | 12:24 AM
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Not gonna happen.

Maybe if you drop the subframe and fight taking them out from the bottom, but honestly it's not that much more work to just remove the entire engine, and once it's out the turbos come off pretty simply.
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Old Nov 1, 2017 | 02:46 AM
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wow thx
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Old Nov 2, 2017 | 02:44 PM
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Originally Posted by pmercury
Has anyone removed the turbos without removing the engine and if yes how ?
Yes, I removed my turbos with the engine in place.

I dropped the front subframe (4 bolts plus a couple of little tricks). Got lots of pictures.

Why do you want to remove them?

Nick
Last edited by Welwynnick; Nov 2, 2017 at 04:22 PM.
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Old Nov 2, 2017 | 02:53 PM
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See this thread:

https://mbworld.org/forums/sl55-amg-...sl-models.html

These are all the things you don't have to touch if you don't drop the engine:
  • Fan
  • Bulkhead
  • Wiring
  • Engine Cooling
  • Heating
  • Air con
  • Oil cooling
  • Charge cooling
  • Transmission cooling
  • Alternator cooling
  • ABC
  • Exhaust
  • Propshaft
  • Transmission
  • Engine
Yes, it's more difficult removing the turbos in place, so you have to weight up the benefits.

Nick
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Old Nov 2, 2017 | 03:23 PM
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Originally Posted by Welwynnick
Yes, I removed my turbos with the engine in place.

I dropped the front subframe. Got lots of pictures.

Why do you want to remove them?

Nick
thx !

I have a tiny oil leak in that area right turbo
Just in case I would find the leak coming from the turbo gaskets and not something easy
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Old Nov 2, 2017 | 04:24 PM
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Oil leaks from the turbos are rare, it's usually coolant leaks - the O-rings seals are much less robust than gaskets / flanges.

Nick
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Old Nov 2, 2017 | 04:46 PM
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good info.
thanks
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Old Nov 2, 2017 | 06:01 PM
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Originally Posted by Welwynnick
Oil leaks from the turbos are rare, it's usually coolant leaks - the O-rings seals are much less robust than gaskets / flanges.

Nick
hope you are right !
I bought a endoscope camera
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Old Jun 25, 2018 | 01:51 PM
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Originally Posted by pmercury
hope you are right !
I bought a endoscope camera
Any followup on this? I'm resealing my turbos and was curious to look for any issue you may have run across.
Thanks,
Jorge
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Old Jun 25, 2018 | 02:34 PM
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I didn't take them off, had no leaks
i'm swapping engine soon anyway
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