Jordan's 1999 4Runner gets Upgraded with a Truetrac 913A610 |
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(42 small pics loading) |
JAN 15 2017 |
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Jordan lives in sunny California and his 4Runner was in the middle of new axle bearings so why not upgrade the traction a bit with a new TT? The TT was sent to me and I had a V6 core ready for build up. Jordan's "old" 410 3rd is in perfectly good shape and is up for sale for anyone interested. |
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New outer race is tapped in. |
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New inner race tapped in. |
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....... |
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100% fully seated. |
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.079" pinion shim is pressed on with the new bearing. |
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The pinion was then mounted in the empty 3rd. 20 in/lb max PPL for this upcoming paint test. |
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Time to mount the used 410 ring gear. |
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New Koyo carrier bearings are pressed on. |
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70 ft/lbs and blue Locktite. |
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Now the TT can be mounted. Dial in the backlash and some carrier bearing preload.... |
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Drive side....a touch too deep for even me. |
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Coast....too deep. |
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Drive...reverse painted. |
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Coast....reverse painted. |
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Even the drive side of the pinion tooth says too deep just looking at the comet tail. |
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See how the tail favors the top of the tooth? |
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Teardown.....pressing out the pinion. |
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A thinner .075" shim is pressed on..... |
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Re-paint.....Drive side....looks beautiful. This a good used 410 gear set. |
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Coast....nice. |
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drive....reverse painted. |
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Coast....reverse painted. |
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................... |
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Now the comet tail favors the root. |
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One last teardown to install the solid collar. |
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On the 2nd try, I got the preload just right. Can take up to 6 times to do this operation. |
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New oem seal is installed. |
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New triple drilled flange is next. |
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Preload is firmed up and the nut is DINGED!! |
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Caps are tightened to 70 ft/lb. |
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The total preload is measured to make sure there is plenty of carrier bearing preload. |
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Backlash was checked on 20 teeth. .0055" minimum. |
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Blue Loctight and 10 in/lb. |
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Notes of the install. |
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Lots of ways to box the 3rd and stabilize it. |
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Tape straps it down preventing it from rolling around. |
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Packing foam is under some of that cardboard. |
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Ready to go back to Fedex :) |