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W212 OM 642 winter maintenance!


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My aim is to decarbonise the cylinder head, replace the malfunctioning swirl motor, substitute the oil cooler seals (despite the presence of purple seals, it is prudent to address them), replace the leaking AC condenser and clean the DPF.
I am not providing a comprehensive photographic tutorial; if you lack the requisite skills, consider hiring a professional. However, if you wish to do it and possess the necessary competence, numerous resources are available on this forum and YouTube. I am undertaking this to identify any potential difficulties and address any enquiries that may arise, if possible....and might pose some enquiries of my own.
This was intended to commence in the new year; but, the weather has been excessively chilly, prompting me to begin today. The forecast predicted dry conditions; it was inaccurate!Despite having the entire day, I only accomplished approximately four hours of work amidst the intermittent showers. I spent half an hour attempting to remove the DPF, which I have yet to accomplish. I will initiate a separate topic with this issue.


This occurred around 9 o'clock this morning.Only the cover has been removed.

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Understood. I have a brief inquiry. Last night, I was compiling all the torque specifications for reassembly (any comprehensive list would be greatly appreciated). It indicates that the oil cooler screws should be set to 12 Nm, which seems appropriate; however, some sources state that they are stretch bolts and must be replaced, while others do not mention this requirement. Is anyone aware? I will likely replace them nonetheless; but, they do not appear to be TTY (stretch) bolts.
Salutations.

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