5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

91 5.0 AOD problems...

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Old 07-07-2007, 10:46 PM
  #11  
Joel5.0
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Default RE: 91 5.0 AOD problems...

http://www.sccoa.com/sccoo/Faq/tvcable.htm
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Old 07-07-2007, 10:56 PM
  #12  
AdventurerSport
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Default RE: 91 5.0 AOD problems...

Ok, thanks for the link..

JS
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Old 07-08-2007, 11:23 AM
  #13  
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Default RE: 91 5.0 AOD problems...

I looked at a FSM (factory service manual) for this car and it shows a detailed view of the Low-Reverse piston, the OD piston, and 2-3 piston...

So, I would thereby assume the 2-3 piston is cracked or otherwise not sealed...

If I get a new 2-3 piston, is it that hard to replace? I'm looking at the FSM and it doesn't look too bad...can I do it with the trans in the car? When I take the valve body down, will the little check ***** go all over, and can I possibly get them back in the same spot?

Any help is greatly appreciated, thank you!

What do you all think? Thanks again!

JS
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Old 07-08-2007, 11:30 AM
  #14  
aode08
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Default RE: 91 5.0 AOD problems...

drop the trans pan , remove the valve body(bunch of 8mm bolts).


DONT LET THEM TINY LITTLE BLACK ***** FALL FROM THERE PLACE. go real slow youll see them in the valve body, not a big deal though.

http://www.transtec.com/rebuilder_news/3rd_q97r-n.pdf

the 2-3 accum

this should take you no longer than an hour. Youll need valve body gaskets and be carefull scraping off the old valve body gasket.
I took mine to a machine shop and had em do a clean up mill and straight check for like $40, our trans rebuilders use 3m disk and clean off with brake cleaner.
One uses a plain ol sos pad, and trans fluid
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Old 07-09-2007, 11:35 AM
  #15  
AdventurerSport
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Default RE: 91 5.0 AOD problems...

Thank you very much for that link, I will order the updated part and install!

Thanks again, you have saved me from potentially buying a rebuilt AOD...

JS
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