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Chirping noise from engine. ML63. 2007

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Old Sep 6, 2014 | 06:57 AM
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Chirping noise from engine. ML63. 2007
Hey fellow enthusiasts.
My ML63 has a chirping noise coming from the engine. It occurs when the engine warms up to running temp. When I jump off the accelerator or at idle it is most evident. I've read other threads on this site yet nobody seems to have an answer. Please help.
There is a clip on YouTube of another ML63 making the same noise yet no answers.
Thanks in advance
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Old Sep 6, 2014 | 11:46 PM
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'13 GLK350 4matic,'10 C207,'15 GLA250,'07 Honda Odyssey, '18 GLE 43, '24 EQS 580
Try the belt tensioner or belt pulley.
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Old Sep 8, 2014 | 08:08 PM
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I appreciate your reply. Tried that with no success.
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