Rear Lower Knuckle Rose Joint Install Guide

Now this isn’t a how to but more of a guide to get your new knuckle/hub joints installed.

The rear rose joints are pretty common to fail and generally manifest as a knock on the rear end, joints for Jzx90, Jzx100, Jzx110, Jzs161 and Jzs171 can all be found on the Kuruma Factory shop and are generally stocked on the shelf.

This guide has been carried out on a Jzx110 but the same principles work on other chassis’. 

Tools needed:

17mm spanner and socket

19mm spanner and socket

21mm spanner and socket

12mm spanner and socket

bush removal and installation kit

Optional:

Copper grease

Custom bush sleeve

The nut and bolt on the left of the picture is where the joint is located, we find it easier to undo and remove the 12mm nut and bolt for the anti roll bar drop link first (far right). Next is the bottom shock absorber nut and bolt (in the middle) and finally the camber adjustment bolt, the bolt side is 21mm and the nut side is 19mm. A tip here is to hold the bolt still with a spanner and undo the nut rather than trying to turn the bolt.

Now those three are out the 19mm on the subframe needs to be loosened just a couple of turns so the arm is able to swing freely.

Now the arm can be swung out the way the rose joint is now visible, at this point using a 17mm spanner and socket we find it easier to undo and move the traction arm under the bush on the knuckle / hub (it can just be seen in the background of the picture under the rose joint).

Using a bush removal tool and a custom sleeve it’s now time to remove the bush, once the correct sleeves have been setup on the bush it’s just a case of winding it through and most of the time don’t require huge force.

That rattley old joint is finally out, at this point it is worth using a little wet and dry sandpaper to clean the surface so the new bush can be installed.

Using the same sleeves you used to remove the rose bush joint install the new one making sure it’s square to the mounting hole and at this point we add a little copper grease to aid install, there is no need for loads so use sparingly.

When the bush is installed evenly it’s now time to put everything back together which is the reverse of what you have just read.

Whenever suspension components have been moved/undone it’s always advisable to have the alignment checked.

The sizes / method mentioned in the guide are Jzx110 and Jzs171 based but exactly the same principles apply to Jzx90 and Jzx100  chassis’ but of course any questions just get in touch and we will endeavour to point you in the right direction.