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10-07-2010, 01:50 AM | #1 | |
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Bad Torque Convertors
New here, trying to rebuild a usable van, hope someone can help, I'm confused. I have 3 Chryco torque convertors off of 3 separate 41TE trannys. Unfortunatly, unrelieable or no history on the transmissons or failures thereof. I bench tested a convertor by laying it flat and re-inserting the pump and input shaft (I've got 1 trans. apart) , both shafts will rotate in either direction with no apparent binding, noise or interferance. I figure toasted one-way on the stator. I test the other 2 TC's and they are the same! Hard to believe all three are bad! Is my understanding wrong? What am I missing?
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10-07-2010, 06:48 PM | #2 | |
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Re: Bad Torque Convertors
Check this link, btw if the stator sprag was bad, you would have little or no stall speed. http://www.autoshop101.com/forms/AT02.pdf
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10-10-2010, 11:08 AM | #3 | |
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Re: Bad Torque Convertors
Thanks for the response Max. I've read the link and thats the point, bench testing results say all 3 TC's have no stator one-way lockup, ie junk. However none of them display any grinding or indication of internal breakage. I'm questioning the validity of the test as performed (have turned them upright as the link says), or is the one-way not fully mechanical on these TC's? Do they need pressure to work?
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10-14-2010, 09:50 PM | #4 | |
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Re: Bad Torque Convertors
The stator is not connected to a shaft in the trans, it is connected to the housing of the converter and is locked by fluid.
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10-15-2010, 08:00 AM | #5 | |
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Re: Bad Torque Convertors
The pump reaction support holds the stator, you should be able to turn the sprag easy one way and much harder the other way the stator itself can turn both ways. It is cheap enough to buy a rebuilt one if in doubt
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