Re: 48 Transfer Case


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Posted by Vaughn [99.38.193.140] on Saturday, December 18, 2010 at 10:52:24 :

In Reply to: 48 Transfer Case posted by NJjim [24.229.107.90] on Saturday, December 18, 2010 at 09:36:41 :

I've experienced the problem with a PTO's reverse gear shaft. The problem was caused by the failure of the transmission's input shaft bearing. Pieces of the bearing wedged between the reverse/cluster gears causing a washboard shaft. The result was a hell-of-a-lot-of-noise and vibration.

Your TC could be from excessive bearing play or prior part failure. The rebuilder should have checked for pieces of parts between gears. More importantly, the driven gears and all other parts should have been checked for magnetism. When a TC gets to low on oil or when parts fail, the moving parts tend to magnetize. If parts aren’t checked, they will attract metal pieces and destroy new and old parts. Check with your rebuilder to see if this was checked. If not, I would check, even if it means disassembly. In using used parts from another TC, this definitely should have been done. Machine shops can demagnetize. With good parts, the TC should be nice and quite.




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