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727 trans rear servo was stuck? #2773161 05/10/20 12:14 PM 05/10/20 12:14 PM
Joined: Jan 2003 Posts: 388 this world D drifter OP enthusiast
drifter OP enthusiast D Joined: Jan 2003 Posts: 388 this world	I have a 727 trans and after taking the pan off I could see the rear servo crooked and stuck.I started to unloosen the band adjustment and the piston made some noise and straightened itself out.This trans was rebuilt a few years ago mild build owner told me he might have dumped almost a qrt of motor oil in but then they flushed it out and now this happen what could cause this?

Re: 727 trans rear servo was stuck? [Re: drifter] #2773229 05/10/20 03:43 PM 05/10/20 03:43 PM
Joined: Mar 2005 Posts: 1,545 Seattle, WA 3 375inStroke Special needs person
375inStroke Special needs person 3 Joined: Mar 2005 Posts: 1,545 Seattle, WA	I haven't had it happen to me, but it's common enough that they make servos to eliminate it. https://transmissioncenter.net/shop/727-518-low-reverse-steel-servo-eliminates-flipping-in-bore/

Re: 727 trans rear servo was stuck? [Re: drifter] #2773294 05/10/20 07:37 PM 05/10/20 07:37 PM
Joined: Mar 2011 Posts: 3,069 Michigan A A727Tflite master
A727Tflite master A Joined: Mar 2011 Posts: 3,069 Michigan	Originally Posted by drifter I have a 727 trans and after taking the pan off I could see the rear servo crooked and stuck.I started to unloosen the band adjustment and the piston made some noise and straightened itself out.This trans was rebuilt a few years ago mild build owner told me he might have dumped almost a qrt of motor oil in but then they flushed it out and now this happen what could cause this? How long has it been in service. When was the last time the rear band was adjusted. To what spec was it adjusted? What year trans is it? Last edited by Transman; 05/10/20 07:37 PM.

Re: 727 trans rear servo was stuck? [Re: A727Tflite] #2773399 05/11/20 07:52 AM 05/11/20 07:52 AM
Joined: Mar 2006 Posts: 9,822 MI, usa dvw master
dvw master Joined: Mar 2006 Posts: 9,822 MI, usa	The TF2 trans kit suggests that you remove about half the diameter og the lower seal land . It is stated to correct this issue. I'm betting the the rear band would have to be pretty loose before it could happen though https://forums.ihpartsamerica.com/t...uestions.4836/#lg=post-36207&slide=0 Doug

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