OM651 inlet manifold.air leak

[supermonkeyman]

Hello there, I have apparently got an air leak at the inlet manifold most likely due to a broken stud. The symptoms were limp home mode, EML, and you can hear air rushing out on acceleration.

Anyone have any idea on the ballpark cost would be to replace the broken stud?

Thanks

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[grober]

Depends on where the stud/ leak is -the inlet manifold is plastic iirc so may have cracked.There's a lot of ancilliary gear to be moved out of the way first chief of which would be the EGR valve. Parts may be relatively cheap but labour costs high for that reason. Are you sure its not a leak with one of the many large bore flexibles associated with the intercooler/inlet system? page 30 onwards
http://autocats.ws/manual/sdmedia/mediadb/mb_Acrobat/einf/204/einf_br204_cdi_OM651__en.pdf