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W124 engine tapping noise

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#1

Old

04-04-2025, 12:49 PM

rmcnelly

rmcnelly is offline

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W124 engine tapping noise

Need help troubleshooting this tapping noise in my 1986 300E 3.0L

https://youtube.com/shorts/bVXqVrzKIu4

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#2

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04-06-2025, 12:03 PM

Duke2.6

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Sounds to me that it's coming from inside the cam cover... might be a good idea to remove it to inspect the valve gear. It's pretty simple to remove, but make sure you have a new gasket on hand.

Duke

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#3

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04-06-2025, 01:42 PM

rmcnelly

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Quote:

Originally Posted by Duke2.6

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Sounds to me that it's coming from inside the cam cover... might be a good idea to remove it to inspect the valve gear. It's pretty simple to remove, but make sure you have a new gasket on hand.

Duke

I’ve ordered a set of lifters.

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