Quote:
Originally Posted by Diseasel300
Can you be more specific with the "awful driveline noise"? Does it happen all the time and increase in amplitude/frequency as you speed up? Is it only when going forward under power and quit when coasting? Is it only in certain speed ranges?
Having gone through the notchy U-joint issue myself, it typically manifests itself in certain speed ranges. With the rear end in my car, it was worst from ~55-57mph and came on again around 70mph. It showed up as a vibration and a drone you could feel in your butt, but didn't really make anything else in the car vibrate. It was definitely a strong vibration too.
If the noise/vibration is constant, I'd be looking at the differential or the output shaft bearings on the transmission. Elaborating on what the noise is and when it happens may give clues on what you should be looking at, it may not be what you think it is!
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The noise is at lower rpm's. It's not a vibration. It is not dependent on what gear I'm in or road speed and its not a whining sound, like a bad ring gear would. More like a growling. Sort of like lugging the engine in the wrong gear. For instance I have had many manual transmission cars and when the road is nice and flat you can up shift to a higher gear for better fuel economy and less wear. With my this 190D it growls in general if your below 2200 rpms even on a flat or slight down hill. I'm not expecting the trans to have an issue due to seeing clean trans fluid- but I'm all ears. Suggestions?