Transfer Case Problems of Chevrolet 3500

I took my truck to a repair facility, to have a leak repaired, at the rear of the transfer case. The mechanic thought the rear seal was leaking, so he repaired that. Once the rear seal repair was made, the mechanic discovered there was still some leaking of transmission fluid. Upon closer inspection, he found a hairline stress crack in the rear section of transfer case housing. The crack first ran perpendicular, then made a turn left (horizontal), toward top of where drive shaft enters. On sept. 03, 2014, a local Chevrolet dealer took the order, for part no. 19125656cv, then on sept. 08th that same dealer advised the mechanic working on my truck that the part was on national back order, with no estimated date of when it would be available. I was almost forced to purchase a brand new complete transfer case assembly, for over $1,500. 00, just to get my truck back on the road, again. Common sense tells me, chevy must be having problems, with an awful lot of truck transfer case rear housing sections, in order to run completely out of spare parts; nationwide. I feel this leak could be a safety hazard, because once the transmission fluid runs out, the gears in the transfer case would probably seize up, causing the driver to lose control and crash. I feel a recall should be issued, for this problem and Chevrolet should be forced to increase production of the repair part needed and have a supply of these parts on hand (nationwide). Fortunately for me, my mechanic was able to find the repair part I needed in a junk yard.

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