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I'm gonna regret asking this, I'm sure, but why do mass dampers on the final drive units have a wire going from one side to the other?
 

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Are you referring to the retaining wire that will keep in place if the rubber bushing on the inside rots away?
 

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Discussion Starter #3
That'll be the one...is that really why? I guess...
 

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That's the only reason I have ever been given. Then again after 14 years of being under P38s I have never seen hint of one of those things coming loose on a P38. Now we had one Sport owner that swore one of his was clunking over speed bumps and on really bad roads. It wasn't it was shot bushings on his suspension bits.
 

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I’ve always wondered what the wires are for. One of the wires has come away on one side of the rear damper but not the other side - does this mean I am at significant risk, what actually happens if the rubber bushings go AWOL?
 

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Well it means you are not inspecting the underside of your car very well on a regular basis. WHen you do an oil change and grease your UJoint you are right there to make sure they are stable. The rubber bushing are quite hefty. The rubber bit and the added weight is a harmonic balancer to eliminate vibrations. Then again many folks have just removed them.
 
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