Sorta like russian roulette. The job to redo the B3 clutch pack is about 2/3 the whole job to rebuild. The failure always leaves a mess of trash in the tranny. We used to do a few localized repairs back when these trannies had less than a hundred thousand miles.

By the numbers one is a statistical extreme risk taker to not make the whole repair. For the few that have a working trans after surgery the risk is reduced. The real risk is issues from debris that can't be cleaned without total disassembly. Besides the same issues that cause the failure exist in numerous other areas. Unless you are just patching it for a resale dump on someone, you are the one that gets short changed by such short sighted economics.

The point is, whether it is worth it to spend 66% of the price of a complete repair to be driving around with a high mileage used tranny with trash in it. I'd rather just do a used tranny if that were the choice.

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Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician