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Engine shock-absorber noise
I have been hearing a small roughness in the 1989 M103 engine. And so I got out the trusty stethoscope and probed around. While I heard some clicking, like valve lifters/rockers, and water sounds, I also heard a very loud 'banging' at the top of a device that looks like a small shock absorber, on the driver's side at the front of the engine. The top of this device is held in place between two approx. 1/8" plates. While there is some noise transmitting through the plates, the loud repetitive banging comes from the top round mount of this device. (It is located between cylinder #1 and the water pump.)
I don't like niose. Is this normal? Is the rubber mount/sleeve gone and needs replacing? Or is this noise just a manifestation of some internal engine noise and just being transmitted to this shock-device ?
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BnObob (for the fallen flag railroad.) Artic "Snow" White 1989 300E, 124.030 w/ M103 engine, and 106K orig miles. |
#2
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You need a new absorber. This is a common problem.
Replacement is a bit fiddley - but not overly difficult. |
#3
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Hi when you remove the engine shock run the engine again to confirm diagnosis and the lack of noise .Does the engine vibration increase without it and smooth with a new one?
mak 300se |
#4
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My SDL seems to do this, I held the shock with my hand and the noise went away. I agree with the others.
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I'm not a doctor, but I'll have a look. '85 300SD 245k '87 300SDL 251k '90 300SEL 326k Six others from BMW, GM, and Ford. Liberty will not descend to a people; a people must raise themselves to liberty.[/IMG] |
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