Re: Auto Box Sudden Death - Saab 900 Bulletin Board - Saabnet.com
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Do a search for old threads about failure of the prongs on the torque convertor which drive the transmission oil pump. Chances are these prongs broke and without oil pressure, an automatic transmission has nothing to make the shifting control in the pan work (it is essentially a sort of hydraulic computer which compares oil pressure signals and selects the right mode).
These prongs are the worst weak point in this transmission design, since the front side of the torque convertor is too far from its bearings for proper support in the middle. Eventually the bearings begin to allow some wobble, which breaks the prongs.
Posts in this Thread:
- Auto Box Sudden Death, Roger D
, Thu, 10 May 2012 21:06:32- Re: Auto Box Sudden Death, Osvensk
, Sun, 13 May 2012 17:34:26 <-- Viewing This Message - Re: Auto Box Sudden Death, marc, Fri, 11 May 2012 05:10:47
- That's how mine went, Notnoel
, Fri, 11 May 2012 04:12:43 - any prior symptoms? n/m, Snowmobile
, Fri, 11 May 2012 02:52:25
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