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Originally Posted by springerfever
Just wondering if in the last year, someone has had to replace their water pump.
A couple of days ago my ML started making a peculiar noise on start-up. Seemed to increase with a little throttle and then went away. Hard to describe the noise...kinda' like a whistling and rubber squeal....I believe my water pump bearing might be on the way out. Can't believe I only got 230,000 miles out of original........
Anyway, I'm keeping an eye (an ear!) on it and if not to difficult, plan on changing it myself. Anybody with ML water pump replacement advice ?
Thanks.......
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I just did mine earlier this year. My 98ML only got 65k miles darn it. You lucky %#&@%#@&. Replace it at your earliest convenience, mine was grinding into the timing cover (see my earlier postings with picture). I observed that the coolant got darker and darker and saw fine metal shavings in the expansion tank. That's got me worry and prompted me to replace the water pump asap. Sure enough, after I opened it up, the water pump impeller inside was grinding the timing cover.