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Old 02-19-2013, 10:48 AM
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The trans definitely has to come out and apart,sorry to say....if I didn't see a stripped pump stator shaft spline while removing the converter,it wouldn't suprise me if I found a worn out low-reverse sprag in there. If just a few of the springs in that sprag assembly are worn/broken, it loses some of it's holding power,which could produce a screeching sound, under load, that you mentioned.It could very well be in another area,but without having it apart on my bench,all I can give you is a hunch.

Last edited by rick 427; 02-19-2013 at 10:55 AM.
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