Observations from My Disc Brake Conversion

After my screw up with the adaptor sleeves, I broke down and spent the money for the PST tubular UCAs. Installation was not that difficult but a rubber mallet was essential to getting them into place. Also, I had to shave off the lip of the frame tab on both sides to give the tubular arms room to rotate down. A small Dremel tool was invaluable for this. I used a jack under the LCA to relieve pressure on the suspension during disassembly and to assemble the spindle on the upper ball joint rather than cranking down the torsion bars. That works fine. Some instructions recommend assembling the entire hub assembly (spindles, caliper mounts, rotor) first. I would say mount you caliper brackets on the spindle and mount, then mount rotor assembly, then calipers. Also, the instructions for the rear seal were really not that clear. The answer is the rubber lip should face out of the back of the hub towards the backing plate.

When installing the calipers, I definitely bent the tabs down on the outer pads because they had a noticeable rattle. I installed the little rubber bands for the inner pads, but opinions vary as to whether that makes any difference. I installed the rubber hoses that came with the kit, but their length clearly was meant for front mount of the calipers and I chose rear mount. I ended up ordering hoses from Dr. Diff meant for rear mount (they are shorter).

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