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Old 05-09-2013, 06:09 PM
SD Blue SD Blue is offline
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Join Date: Jun 2004
Location: West of Ft. Worth. TX
Posts: 4,186
Does your car have a vibration dampner that mounts to the front flange and flex disc?

(The W126 series has it but I'm not sure if the W123 might have it as well.)

If so, ensure that the arrow on the dampner points to the nub on the driveshaft yoke.
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Sam

84 300SD 350K+ miles ( Blue Belle )
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