I posted a pic of this tool in another thread recently, but considering that I have now used it for the first time I thought I'd post some extra pics and some thoughts on it.
The tool is on ebay from various sellers and can be searched for under part number T-0160. This particular model of the tool is for 28-spline toploaders only with a 1.5" output shaft.
The tool comes with a slip ring. Once the tool is inserted into the housing and "clicked" into position the slip ring is pushed down to the end of inside of the tool which holds the locking spurs of the tool in position.
Levered the old oil seal out with a screw driver and hammer.
One thing I did notice about the extraction tool slip ring is that even though it is a clearance fit over the output shaft, if the ring is slightly angled inside the tool then it can bind a bit on the input shaft as it is being pushed into position, and that is not helped at all by the the very soft metal arm of the slip ring which flexes very easy. When I did this job the tool itself clicked into position correctly but the slip ring seemed to jam halfway when I was sliding it in. Good news is that I was then able to tap the end of the slip ring arm which in turn moved the slip ring into the correct full depth position.
Then it was only a matter of turning the jacking bolt until it fully extracted the bushing. I was holding my breath while turning the bolt as it took a little bit of force to turn it and I half expected the spurs on the tool to slip off the end of the bushing, but it held firm and the bushing was extracted successfully.
The kit came with an installation tool for tapping the new bushing into place, which worked adequately. A criticism is that the installation tool has been made from pipe stock so it couldn't be hit on dead centre by a normal hammer. This made it a little hard to get the bushing started in the housing, as I had to tap the hammer around the outer circumference of the tool instead of in the centre where the driving force would normally be applied to the bush evenly (oil slot in alignment with the slot in the housing of course). However once the bush did start to grip inside the hole a little it went in the rest of the way easily with circumferential tapping.
The old bush measured 0.020" (0.5mm) oversize from wear. The oil groove in the old bush was almost non-existant due to the wear, though I do surmise that the bush was getting adequate lubrication anyway because of the size of the wear gap.
Noting that the old factory installed bush didn't have a slot machined in it's centre like the new one does, so I would expect the new bush to have improved lubrication properties. Also note that the factory bush was 1.5" long and the replacement I bought was 1.75" inches long. To ensure that the long bush would be suitable I used a steel ruler to measure the depth of the oil slot in the housing - it was 2" deep meaning once the new bush is installed flush to the face that there will still be 0.25" at the back for the gearbox oil to enter - all good! Tapped the new seal into place, all good to go!
My final thoughts? Money on the tool well spent, saved the extra hassle and work of having to remove the whole extension housing to knock the bush out from the other side!
The tool is on ebay from various sellers and can be searched for under part number T-0160. This particular model of the tool is for 28-spline toploaders only with a 1.5" output shaft.
The tool comes with a slip ring. Once the tool is inserted into the housing and "clicked" into position the slip ring is pushed down to the end of inside of the tool which holds the locking spurs of the tool in position.
Levered the old oil seal out with a screw driver and hammer.
One thing I did notice about the extraction tool slip ring is that even though it is a clearance fit over the output shaft, if the ring is slightly angled inside the tool then it can bind a bit on the input shaft as it is being pushed into position, and that is not helped at all by the the very soft metal arm of the slip ring which flexes very easy. When I did this job the tool itself clicked into position correctly but the slip ring seemed to jam halfway when I was sliding it in. Good news is that I was then able to tap the end of the slip ring arm which in turn moved the slip ring into the correct full depth position.
Then it was only a matter of turning the jacking bolt until it fully extracted the bushing. I was holding my breath while turning the bolt as it took a little bit of force to turn it and I half expected the spurs on the tool to slip off the end of the bushing, but it held firm and the bushing was extracted successfully.
The kit came with an installation tool for tapping the new bushing into place, which worked adequately. A criticism is that the installation tool has been made from pipe stock so it couldn't be hit on dead centre by a normal hammer. This made it a little hard to get the bushing started in the housing, as I had to tap the hammer around the outer circumference of the tool instead of in the centre where the driving force would normally be applied to the bush evenly (oil slot in alignment with the slot in the housing of course). However once the bush did start to grip inside the hole a little it went in the rest of the way easily with circumferential tapping.
The old bush measured 0.020" (0.5mm) oversize from wear. The oil groove in the old bush was almost non-existant due to the wear, though I do surmise that the bush was getting adequate lubrication anyway because of the size of the wear gap.
Noting that the old factory installed bush didn't have a slot machined in it's centre like the new one does, so I would expect the new bush to have improved lubrication properties. Also note that the factory bush was 1.5" long and the replacement I bought was 1.75" inches long. To ensure that the long bush would be suitable I used a steel ruler to measure the depth of the oil slot in the housing - it was 2" deep meaning once the new bush is installed flush to the face that there will still be 0.25" at the back for the gearbox oil to enter - all good! Tapped the new seal into place, all good to go!
My final thoughts? Money on the tool well spent, saved the extra hassle and work of having to remove the whole extension housing to knock the bush out from the other side!
