SmokingRocks
hopelessly addicted to Cruisers
Keep us posted @scottryana, I'm interested in what you come up with.
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I'm trying to figure out if mine is toast or not. When trk was still driving did not notice axles binding when making tight turns. With T/C out of trk now, front and rear output feel locked together. I cant hold one and turn the other. Is VC tight enough to do tht when only hand pressure is applied? Would like do take of problem while T/C is on bench. Want to keep VC since I live in WYO and roads can sometimes get bad.They are welded together, not intended to be serviced. When the "fluid" is junk, it's like a sticky paste, without full disassembly, don't see how it would be cleaned out? According to the NCF, it is partly filled, has air space, but it is fully packed with disks, like hundreds, not much space in it, how much fluid and what viscosity? How to fill it, vacuum pump and a couple of small holes the could be welded closed?
A most of them we are seeing are tight or locked. At some point, they all are likely to be dead?
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Yeah i think if you can get to them before they lock up, it might be possible to drill a small hole in the side and drain the fluid out. Measure the amount of silicon fluid you get out and then yes replacing it with an amount and a CST rating would be both a guess and trial and error. Then tap the hole and lock tight in an Allen head plug.
And you’re right getting the fluid to drain out maybe next to impossible but I am in no rush. I will let it sit for a couple days and see what happens.
Maybe a couple of holes, use a vacuum pump to pull it out into a container, heat/time/suck? But even when good, the stuff is sticky, clings, most of it would be in the tight spaces between the plates, don't see it coming out?
.. I know the fan clutch doesn't have the 40 thin discs inside, ...
More like hundreds of disks. Naphtha is pretty effective on silicone, but, how to remove all of that? Any remaining silicone will be contaminated, effecting the new fluid? Best bet, get a junk one chuck it in the lathe and see first hand what you are dealing with?
Damn is it really that many? The information I found on the NP Quadratrac cases that use a similar system is that they had 35 discs inside.
Based upon your description and photos I think the only procedure that could work would be a complete disassembly, cleaning and reassemble each layer already precoated with the viscous fluid and then reseal the assembly.
Yes, agree with that 100%. I just felt I didn't need to state the obvious.This would require cutting unit in half, or cutting one end completely off. Going to be tedious to weld that all back together without getting any internals, or fluid, hot. Just toss it, for pitty sakes!
ThxBack in the day, they could be turned by hand, took some effort, but not all of that. Now most take a pry bar, if not pretty much locked. When they worked, it would take a pretty good amount of wheel spin, then would get tight, as soon as the shafts turned at the same speed the effect would be lost. So jerky, somewhat like traction control. Now most are just tight, causing bind, heavy steering, etc, the intended effect lost.