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TR2/3/3A What rides on what "front a-arms

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Got_All_4

Got_All_4

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The back rear lower arm bushings are shot. Took everything apart this weekend and the metal bushings were corroded on the shaft and had to burn 2 bushings off and the other 2 front ones came off red hot.

Looking at everything and new parts coming I was trying to figure if the metal bushings are suppose to move on the shaft and if not what would stop that from happening? Or does the nylon bushing ride on the external surface of the metal bushing?
 
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The metal bushing gets clamped into place by the end plate and nut, so it is not supposed to turn on the shaft. The nylon should move on the bushing (tho it seems to sometimes move against the arm as well).
 
I never have, but I don't see that it would hurt anything. Probably better though just to keep a little oil or grease where it's supposed to slide, so that rust doesn't lock it up. With the Nylatron, I even added some grease zerks, but I can't say whether they actually helped or not. Probably just as well to add a few drops of oil from time to time (as mentioned in Practical Hints).
 
I was planning to use some of the grease that came with the Super Pro bushings to lubricate the bushings during reassembly. My concern with regular grease would deteriorate the nylon bushings. I was thinking of installing zerks too but what grease would I use to take care of my concerns?
 
Grease has tendency to hold crud especially that low. I would use a little oil from time to time, but they will probably be ok dry. I hope that the venders have figured out a better rubber product for the end seal because whatever it they use as soon as it is stretched it falls apart. Lately I have used those black tie deals
 
Never heard of grease degrading nylon, so I've just been using whatever's in the gun (Sta-Lube red at the moment, but was probably Moly-graph in the past.) Nylatron is just nylon with added molybdenum disulphide, and the ones I took out a few weeks ago looked fine. Worn, but no visible degradation from 20+ years exposure to grease.
 
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