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Car Forum / MINI / March 2004Knuckle joints
Heres the deal, I have compressed my cone and the rest is wobbling freely. Problem is, I cant get the knuckle to separate from the arm. Do I just need to apply brute force and ignorance or is there a trick to it? The Muffin Man I had to take the trumpets out complete with the knuckles and use a big hammer and drift to split the two apart. > Heres the deal, I have compressed my cone and the rest is wobbling freely. > Problem is, I cant get the knuckle to separate from the arm. Do I just need > to apply brute force and ignorance or is there a trick to it? > > The Muffin Man But I can't get the knuckle to let go!! I have managed to smash off part of the trumpet though. At least I don't need them. I only really want the subframe itself ;) The Muffin Man > I had to take the trumpets out complete with the knuckles and use a big > hammer and drift to split the two apart. [quoted text clipped - 5 lines] > > > > The Muffin Man I had to take the trumpets out complete with the knuckles and use a big hammer and drift to split the two apart. > Heres the deal, I have compressed my cone and the rest is wobbling freely. > Problem is, I cant get the knuckle to separate from the arm. Do I just need > to apply brute force and ignorance or is there a trick to it? > > The Muffin Man > Heres the deal, I have compressed my cone and the rest is wobbling freely. > Problem is, I cant get the knuckle to separate from the arm. Do I just need > to apply brute force and ignorance or is there a trick to it? > > The Muffin Man try compressing the cones even more, it takes an incredible amount of strength to compress the cones sufficiently... dantiri The cones are well out of the way but the knuckle wont shift. I think I will take out the arm and put it in a vice. I am taking it to pieces to get it powder coated anyway.... The Muffin Man > > Heres the deal, I have compressed my cone and the rest is wobbling freely. > > Problem is, I cant get the knuckle to separate from the arm. Do I just [quoted text clipped - 7 lines] > > dantiri It seems to me that what you're trying to say and others aren't inferring from your writing is that the knuckles are stuck in the upper arm. Is this correct? Brute force has always worked for me but it also helps to have the trumpet intact to lever against. Cheers, Kelley >The cones are well out of the way but the knuckle wont shift. I think I >will take out the arm and put it in a vice. I am taking it to pieces to get [quoted text clipped - 14 lines] >> >> dantiri > It seems to me that what you're trying to say and others aren't > inferring from your writing is that the knuckles are stuck in the > upper arm. Is this correct? I think that is what I was trying to say when I said this ;) "Problem is, I cant get the knuckle to separate from the arm." > Brute force has always worked for me but it also helps to have the > trumpet intact to lever against. Brute force and ignorance it is then. Tally bally ho ;) Thanks a lot for the advice. I have no idea what I would do if the trumpets needed to go back on. I think I will take the arm off and sort out then. Cheers again The Muffin Man > > It seems to me that what you're trying to say and others aren't > > inferring from your writing is that the knuckles are stuck in the [quoted text clipped - 15 lines] > > The Muffin Man Hi, I had one that was so stubborn that I removed the arm and trumpet together, drilled a 1/4 hole in the bottom of the arm socket and knocked the ball out with a punch and hammer. Keith > > It seems to me that what you're trying to say and others aren't > > inferring from your writing is that the knuckles are stuck in the [quoted text clipped - 15 lines] > > The Muffin Man I replaced to knuckle joints in my 1960 Morris 850 two years ago. I think it must have been the first time they had been done from how the knuckle was stuck in the upper arm and frozen into the bottom of the trumpet. The nylon liner/bushing that sets in the top of the upper arm doesn't come out very easy either. Fortunately I was installing new bearings and bushings in the front suspension and Hi-lo's so I had everything out and was able to work at it in a vice. Hope its not so difficult when I need to do it again in 40 years ; ) Good luck, Jonathan I knew there was a clue in there somewhere... Kelley >> It seems to me that what you're trying to say and others aren't >> inferring from your writing is that the knuckles are stuck in the [quoted text clipped - 15 lines] > >The Muffin Man I was just reading this the other day - this guy says to torch it to melt it. I will be doing this soon myself: http://www.minimania.com/MM/SUSPENSION___Lowering_the_standard_dry_set_up.htm "9. The existing knuckle may well be contained in the ally trumpet on removal. If so, use a suitably sized drift to knock it out. This is a good time to assess the condition of both the knuckle and the nylon cup it sits in. If either shows signs of wear, replace them. The whole knuckle assembly is very cheap. If they are serviceable, clean out any old crease and grit from the cup and re-grease before re-assembly. Getting the nylon cup out of its socket can be trying - the easiest method I have found is to use a butane gas torch to melt the thing. Alternatively a very sharp craft knife (Stanley knife) can be used to cut it to pieces. Both are far easier than trying to pull it out with grips of some sort. Clean any corrosion out of the nylon cup socket in the top arm, and grease lightly to abate further corrosion." Luteguy > Heres the deal, I have compressed my cone and the rest is wobbling freely. > Problem is, I cant get the knuckle to separate from the arm. Do I just need > to apply brute force and ignorance or is there a trick to it? > > The Muffin Man Have you removed the rubber spacer thingy (held on with one screw) from beneath the arm? How about removing the damper too this should give you enough leverage then. Taffy > Heres the deal, I have compressed my cone and the rest is wobbling freely. > Problem is, I cant get the knuckle to separate from the arm. Do I just need > to apply brute force and ignorance or is there a trick to it? > > The Muffin Man The subframe is off the car so the damper is not a prob ;) I will look under the arm on Sunday afternoon... Cheers mate The Muffin Man > Have you removed the rubber spacer thingy (held on with one screw) from > beneath the arm? How about removing the damper too this should give you [quoted text clipped - 8 lines] > > > > The Muffin Man |
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