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AT problems
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minsk
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Joined: March 17, 2008
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Location: pittsburgh
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PostPosted: Fri May 07, 2010 4:56 pm    Post subject: AT problems Reply with quote

ok so i posted earlier about AT problems...how it hangs in 2nd...
so ive been doing some tests...weirid thing...if i get the rpms to like 4500 almost redline..it will shift to highest...wich leads me to think its not the tranny ..but something before the tranny...i t will shift everytime if i get it to like 4500 rpms...i know this is not a good thing to do ...any ideas?


oops sorry it an automatic
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Terry Kay
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Joined: June 22, 2003
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PostPosted: Fri May 07, 2010 10:44 pm    Post subject: Reply with quote

TCould be a hanging up governor--had ths cover off & checked it out?

Could be the 2nd gear barke band needs adjusting--done that?
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Wildthings
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PostPosted: Sat May 08, 2010 12:53 am    Post subject: Reply with quote

It kind of sounds like the normal system that cause the shift to initiate is not working correctly, but once you reach the governor set point it goes ahead and shifts like it should. This would tend to imply that the problem lies somewhere in the valve body/control system and not in the bands or governor, not that it wouldn't be a bad idea to check the band adjustment and pull the governor to do a visual there as well.

It is kind of messy, but if you pull the pan and the valve body you can take the caps off each spool and removing them one at a time while looking for any debris that might be causing them to stick. Not a hard job, but cleanliness is important. Be sure not the loose the three(?) loose balls and to get them back right where they belong before putting the valve body back in place.

If the filter blows through it will fill the valve body with lots of crud, and make everything stick.
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