Vibration Damper - Mercedes-Benz Forum
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#1 (permalink) Old 11-21-2012, 02:26 PM
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Vibration Damper

While replacing the transmission lines I noticed the vibration damper has a slight wobble. The engine runs smooth (I can set a drink on the intake and it stays). Does it need to be replaced?


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#2 (permalink) Old 11-21-2012, 02:46 PM
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If it's very slight, then assuming the P/N is not in the suspect group and the rubber shows no signs of deterioration, I'd be inclined to leave it in place and simply check it regularly.

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#3 (permalink) Old 11-21-2012, 03:11 PM
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Harmonic Balancer

It really should not Wiggle. Run out Radially is up to 0.0196 ths . Run out Axially is up to 0.0118 ths. There are noted for going bad and are replaced quite often. At one time there was a Recall , and a SB. The R & R is not a hard job. But requires a Holding fixture , Which can be brought on E-bay for less than $40.00. Do A search here you will find torque specs. You must used a new bolt , It is a stretch to Yield. You can Buy a new H/B from Mercedes or a aftermarket from a Fluidampr retailer for around $400.00
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#4 (permalink) Old 11-21-2012, 03:19 PM
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That's what I was thinking, thank you. If I do replace it, is the front seal replacment as easy as pry out and pound a new one in? It doesn't leak oil, but I figured if you are already in there why not?


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#5 (permalink) Old 11-21-2012, 03:24 PM
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Well let me put it this way, the vibration damper has gone through six revisions since 1998 and it is not pretty when the damper separates. Fan blade, fan shroud, belt, radiator and often the A/C condenser.
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#6 (permalink) Old 11-21-2012, 03:46 PM
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Are we talking harmonic balancer here or something else?.
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#7 (permalink) Old 11-21-2012, 03:47 PM
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Quote:
Originally Posted by megadamp View Post
Are we talking harmonic balancer here or something else?.
One in the same.
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#8 (permalink) Old 11-21-2012, 03:50 PM
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I wish some would not confuse things and use the correct name. I'm sure your going to educate me now 43 on some technicality in law.
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#9 (permalink) Old 11-21-2012, 03:54 PM
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By the way mine has the dreaded 0000 part number and has been fine for 130,000 miles. I think in hot climates it has problems with the glue. Infact inchcape mercedes parts online lists it as a part for sale or they did last time i checked. No where near $400.00 dollars. I think £60.00 but would poss decline that part number.
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#10 (permalink) Old 11-21-2012, 04:24 PM
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harmonic Balancer

well at the transmission, end , the torque converter is bolted to a Flex plate / flywheel. maybe the op will tell us which end of the engine he is looking at
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