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W212 e63s m157 thermostat has oil and water mixed

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Old Aug 15, 2024 | 06:33 AM
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W212 e63s
W212 e63s m157 thermostat has oil and water mixed


i have a w212 e63s 2014 the thermostat was replaced 2 years ago working on the car to change a oil thermostat cover had to take the thermostat off and i would that in that but i havent lost any coolant i will do a gaskit pressure test once in put everything back but has someone had this issues ? Engine has no water and oil mixing up lose normal
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Old Aug 15, 2024 | 07:45 AM
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2015 SL400 (M276 Turbo), 2014 C350 Sport (M276 NA), 2004 SL500 (M113), 2004 Audi TT225 (BEA)
If you think you have a cracked head or leaking head gasket, you can do a simple test for exhaust gases in the coolant reservoir.


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Old Aug 15, 2024 | 01:58 PM
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Oil in water is survivable but the opposite is an engine killler.

Overheated seals deliver :
  • timing chain cover seals
  • engine oil heat exchanger
  • coolant radiator with exchanger

Where is your oil meeting water?

Last edited by CaliBenzDriver; Aug 15, 2024 at 02:03 PM.
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