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Transfer Cases and Parts
QuadraTrac BW1339-BW1305 Parts
> Quadratrac Clutch Cones
Quadratrac Clutch Cones
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They are finally here! New clutch cones for the Quadratrac transfer case. These cones wear down over time, and can also wear down if the wrong fluid is used. Now there is a high quality replacement!!
Tore down my transfer case to replace the chain (w/BJ's made in the USA kit) and found the standard stripped front clutch cone. I Thought about going to the part time kit but the full-time just works so well on these vehicles and all the other components of the differential were in excellent condition. The new cones arrived quickly and I got everything back together with the new, tight chain and filled it with fresh Crown TCL-1. After the requisite slow circles and figure eights and a few hundred gentle miles on the new cones I still had some stick-slip in parking lots when the transfer case warmed up. So I added a 6oz. bottle of BG LSII limited slip additive. The stick-slip is all but gone now. I'm extremely happy with this product and I'm extremely grateful that BJ's Off-Road not only persisted in having these once irreplaceable components machined from scratch, but then sells them at a reasonable price.
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from Roseburg, Oregon.
I haven't torn into my t-case yet. But all the photos I've seen of ones torn apart don't show the three holes drilled into them. What are the purpose of those. If they are different from the originals. Why?
You are correct that the original cones did not have these holes. Our manufacturer made these holes for tooling in manufacturing (they researched and tested to be sure that there won't be any adverse affect from them). They were able to achieve near-zero tolerance run-out during manufacturing in the flexible machining environment they have because of this. A side benefit is that the holes facilitating better continuous fluid flow through them.
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1973-1979 QT-equipped Jeeps (1305 and 1339 Borg-Warner Transfer cases)
Sold in Pairs
Made from 8060 Alloy
Heat treated for maximum strength (side grooves are masked to prevent heat treating)
Made in the USA