If it has a loud whinning sound, it may well be the pump drive shaft. It couples to the torque converter and sometimes the splines in the torque converter strip out. So I guess, technically, it's the torque converter. If this is indeed the problem (which couldn't be completely proved without removing the trans) the torque converter and the pump shaft will have to be replaced. Also flush out the trans fluid and change the filter since it is likely that tiny shards of metal are suspended in the fluid. You shouldn't need a new trany if this is the failure. If you have any more questions, just give me a shout.
Dave
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Saturday, January 19th, 2008 AT 10:03 AM