Date registered: Mar 2012
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ML350 2006 shrieking noise from engine
I've looked at other posts and it seems there're various reasons. This problem is intermitten. I've parked the car a few times when it occurs, pops the hood, and could tell it's from the engine but cannot pinpoint the exact location. It sounds like taking 2 metal rods and rubbing them together. The first time I've noticed it was a while back. I took it to the shop but by then the noise was gone. The shop said I have to leave it over there so that they can try to reproduce the problem. I was busy at that time so I didn't. The problem seems to occur more frequently now in warmer weather. I'm just worried that the shop won't be able to reproduce the issue if I leave it there. Should I wait until it becomes more constant?