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These are SFA Toyota Aisin Manual Hubs, but IFS reassembly is the same.
If you are interested in the difference between SFA and IFS Toyota Aisin Manual Hubs, try this thread: http://www.yotatech.com/f123/toyota-...vs-ifs-186269/
Start with the dial. Take care to put on a new o-ring, as your old one is surely dry rotted, without overstretching it, and put a small dab of grease in the little hole by the dial indicator and insert the little spring and ball. Use enough grease so that the little ball won't fall off.
Next insert the dial into the faceplate with the dial indicator at the "free" position. No need to force it, it should slide right in there. Make sure it turns freely. Now lay the assembly down on a flat table and use a set of good snap right pliers and put the snap ring on. Make sure once assembled the dial turns easily and smootly. If not, disassemble and try again.
Now lets build the clutch. There is no simple way to do this without just showing someone in person but if you will look at the sequence of pictures here and pay attention to the arrows you can see how things go together. I find it easiest to use a small flat head screw driver to move the spring along in the groove and to get it started. I also pick up on the spring and guide and slide it around the clutch as the spring feeds into the groove in the clutch.
Next apply a light coat of grease to the clutch assembly.
And then put on the spring with the flat sitting side on the clutch.
Next take the clutch and big spring and fit them inside the back of the dial/faceplate with the dial at the "free" position. The bumps on the clutch go into the notches on the back of the dial.
Then turn the clutch towards you, counterclockwise, which draws the big spring down on the clutch and moves the clutch closer to the dial.
The little nubbin has to go into the bigger notch in the hub or it won't all go together.
Lightly grease up the inside of the hub assembly
Put the two pieces together with the bolt holes lined up, put in your bolts, test out the dial by turning it a few times and if it turns properly and you hear the little ball/spring click as they should, you are ready to install your manual hubs on your truck.
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07-10-2009, 08:42 PM
Toyota Aisin Manual Hubs - Reassembly
