W114 M130 valve springs - Mercedes-Benz Forum

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post #1 of 4 (permalink) Old 09-20-2013, 09:16 AM Thread Starter
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W114 M130 valve springs

A mechanic looked at the engine today and believes the engine ticking is not due to bearings timing or chain

It is from the top of the engine

His suggestion is to start replacing the valve springs and inspect the rockers

Does anyone know how to take these springs out without removing the camshaft or I have to take the camshaft out ?
Thank you

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post #2 of 4 (permalink) Old 09-20-2013, 09:47 AM
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Gald to hear that it might be as simple as springs and/or lifters. A whole lot easier than tearing the engine apart. I will check my Haynes book.
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post #3 of 4 (permalink) Old 09-20-2013, 10:14 PM
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There is a special tool for depressing the valves in situ,no need to remove cam.(ebay)

I think that it is very rare for the springs to make a noise.
If it is a ticking noise similar to loose tappets the pressure pieces or the rocker arms may be worn, possibly cam bearings.
Do replace each shim and rocker in its original place or more noise!
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post #4 of 4 (permalink) Old 09-22-2013, 04:55 PM
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never seen a spring causing this , a flat cam or a rocker arm with a flat spot .rotate engine so the cam fully depress valve and take a close look at the surface of the rocker .do not overtighten the valve cover , this will cause a noise because the brackets will touch the rotating cam .
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