Sunday, July 30, 2023

Ouch, Knocking OM352

greetings from denmark, moggers! My '75 416 with 100 HP stock OM352 just started knocking. Came sneaking running 40 MPH and got worse, up to a level similar to someone hammering the side of the engine. Got towed home. Checked oil level and drained 2 liters in a cotton filter. No debris... Started it up. Now the sound comes and goes. At times it runs normal, at times there is a weak knocking and then sometimes it gets bad.... It doesn't sound like it comes from the valve cover, and it... Ouch, Knocking OM352
greetings from denmark, moggers!

My '75 416 with 100 HP stock OM352 just started knocking. Came sneaking running 40 MPH and got worse, up to a level similar to someone hammering the side of the engine. Got towed home.

Checked oil level and drained 2 liters in a cotton filter. No debris...

Started it up. Now the sound comes and goes. At times it runs normal, at times there is a weak knocking and then sometimes it gets bad....

It doesn't sound like it comes from the valve cover, and it...

Ouch, Knocking OM352

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