Upper A arm/wishbone
#1
#2
#5
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The ball joints are not available from Jaguar, but might be around on the 'net. If you can find them, you need an accurate mandrel to press out/press in the old and new balljoint. Boiling water poured over the wishbone near the ball joint will be beneficial in allowing an easy press out/in, due to the large coefficient of expansion of aluminium.
#6
#7
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On my car there are two transparent boots top and bottom of the rod fixing at the outer end by the brake disc, but what there is at the other end, I don't know, but here's a pic of the assembly. Looks like boots both ends to me.
![](https://www.jaguarforums.com/forum/attachments/xj-xj6-xj8-xjr-x350-x358-28/27319-upper-arm-wishbone-no12620_c2c36985.gif?dateline=1355002937)
However, this doesn't solve your front upper wishbone problem ! I would repeat my advice - look for a used one to see if you can reuse the boot. The wishbones here in the UK from one internet supplier cost about £165 before tax/postage. For that money you get 1 x balljoint, 2 x inner bushes, and the wishbone itself, an aluminium forging. Its not a bad price frankly. Another UK supplier wants £272 and another £279 !! I am not sure where the difference comes from. Of course if you need both it gets expensive. DO be aware that this kind of thing, (non-repairable assemblies) are in widespread use in the auto industry, its not just Jaguar.
![](https://www.jaguarforums.com/forum/attachments/xj-xj6-xj8-xjr-x350-x358-28/27319-upper-arm-wishbone-no12620_c2c36985.gif?dateline=1355002937)
However, this doesn't solve your front upper wishbone problem ! I would repeat my advice - look for a used one to see if you can reuse the boot. The wishbones here in the UK from one internet supplier cost about £165 before tax/postage. For that money you get 1 x balljoint, 2 x inner bushes, and the wishbone itself, an aluminium forging. Its not a bad price frankly. Another UK supplier wants £272 and another £279 !! I am not sure where the difference comes from. Of course if you need both it gets expensive. DO be aware that this kind of thing, (non-repairable assemblies) are in widespread use in the auto industry, its not just Jaguar.
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