Quote:
Originally Posted by christiandk
Hi guys,
I was just checking my water pump and replaced some sensors when I saw this "nut" had broken off.
1. What is it?
2. Should I replace it ASAP.
I suspect the my mechanic has broken it when he replaced the tensioner pulley not too long ago....hmmm.
The car is a 230CE
Best regards from Copenhagen,
Christian
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That looks like the tensioner adjuster. Could be bad news.
I am not an expert on this but I rather think you might need a new tension adjuster (not the tensioner itself). I would guess that someone tried to adjust the tensioner rather aggressively without loosening it. Only a guess, though.
Make sure you get this resolved by a Mercedes expert and not a "normal" garage.
Best regards from Paris.
RayH