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Drop arm ball joint


royaub

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Hi all

I have a 1995 110 defender and I'm trying to replace the drop arm ball joint. I managed to get the top collar out but I can't get the new one in. I've tried hitting it with a socket and hammer, I've tried a large G-clamp which some have suggested I even tried to get the drop arm off but it won't come off. I've tried all that I can think of and have come to a standstill. I'm now at the end of my tether, any suggestions?

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Its a bit of an art. I usually usea 3/8" socket extension and press it all home with a jack, remembering to put the circlip over the extension before jacking. The position of the applied force can be critical to success.

Good Luck and watch your fingers.

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Hi all

I have a 1995 110 defender and I'm trying to replace the drop arm ball joint. I managed to get the top collar out but I can't get the new one in. I've tried hitting it with a socket and hammer, I've tried a large G-clamp which some have suggested I even tried to get the drop arm off but it won't come off. I've tried all that I can think of and have come to a standstill. I'm now at the end of my tether, any suggestions?

I had the reverse problem, I couldn't get the old seat out. I had to get the drop arm off. It required a bit of heat and a puller and hammer of the large type and variety with a drift, they can be a bit of a PITA. Liberal application of heat, puller on with some load on it and then hammer and drift from under the wing was how I got mine off.

Have you got any way of applying heat to the drop arm?

Once off it's a fairly simple task with an engineers vice and socket. Have you cleaned the drop arm out with a bit of wet and dry or emery cloth? A coat of grease wouldn't go amiss either. Are you sure the new seat is in straight? If it isn't it'll be a bit of a beggar to fit.

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I can't get the drop arm off because I can't get in to hit it with a hammer. There's no room so I'm going to have to do it in situ. The only thing I can think to do is to try and grind a little from the inside of the housing. I think it has gone in cock-eyed and has made a lip inside the housing which is stopping it from going fully in.

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I made myself a puller especially for the job. It need to be quite hefty, mine is crude but effective. Pictures when I get home.

I used a big cap head screw in the centre so I could wind it up nice'n'tight then give it a good wallop with a stout persuader.

I find access below the steering box can be improved if you jack the chassis up just enough to drop the axle/panhard rod away from the steering box.

It's worked every time for me :D

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I have just done the same job last Friday, the way i got rhe seat in place was with a socket and threaded rod, i drew the seat in useing the socket on the bottom with a bar across the top and two nuts , then I tightened one nut drawing the seat fully home.

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quick slightly off topic question about this,

instead of fitting a new ball joint - or fitting one from a disco to use TRE... is there any longer drop arms out there that would fit. Reason i'm thinking is that a longer drop arm would give faster steering and negate the need for one of them expensive quick-lock box things.

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The Drop arm of my 110 was so stuck that even with heat and the biggest puller they lend me from the LR Garage didn´t do it! They are using hydraulic pullers nowdays! Anyway, I had to cut it open with the angle grinder, just carefully on the opposite side of the arm, so that it didn´t do damage to the axle. Then I obviously had to install a new one...but with sufficient amount of ceramic brake paste, so that if (and when) the job has to be redone, IT WILL SURRENDER to me! :angry:

Btw. Applying heat to the drop arm joint and putting that new seat into freezer makes a difference!

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<_< Do be gentle with the drop arm when whacking it. Fatal abuse may lead to damaging the bearing on the upper swivel pin. Another dirty job. Secondly excessive bashing might lead to loosening the pas boxe's positioning. The problem was excessive play in the steering. An attempt to fix it let to wild flow of fluid. :blink:
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The easiest way of removing the arm (without specialist tools) is to take the steering box off. You then stand the box on a block of wood with it's full weight balancing on the output shaft. You then hit the drop arm downwards with a big hammer as close to the shaft as you can. I've never failed to get one off using this method and it reduces/removes the risk of damage to the steering box providing it's resting on the output shaft. It normally only takes 1 or 2 decent blows with the hammer.

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I used Les Hensons method

took 40mins start to finish.

the upper ball joint race I put a socket on the race and with an extension jacked up the extension till the car started to lift then tapped the side of the drop arm with a hammer

the race raised into place happily.

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