Re: 727 Problems
[Re: elmor]
#1389330
02/17/13 11:16 PM
02/17/13 11:16 PM
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Joined: Mar 2008
Posts: 5,746 Ontario, Canada
Dodgem
master
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master
Joined: Mar 2008
Posts: 5,746
Ontario, Canada
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yes the easy one driver side 3/4 lock nut i would go wrist snug and back off 1 1/2 turns. That's how I always do it! Sorry I read 1-2 shift so I was wrong!
Last edited by Dodgem; 02/18/13 03:27 PM.
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Re: 727 Problems
[Re: elmor]
#1389334
02/18/13 04:34 AM
02/18/13 04:34 AM
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Joined: May 2008
Posts: 5,399 Aurora, Colorado
451Mopar
master
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master
Joined: May 2008
Posts: 5,399
Aurora, Colorado
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If it is slipping as described and the Kickdown and front band is adjusted correctly, then it sounds like there is excessive fluid leakage to the front clutches. If that is the issue, the transmission needs to be removed to inspect the front drum bushing and sealing area (and seals), and the front drum piston seals. Also the clutch pack clearances.
Last edited by 451Mopar; 02/18/13 04:36 AM.
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Re: 727 Problems
[Re: elmor]
#1389336
02/18/13 12:15 PM
02/18/13 12:15 PM
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Joined: Jan 2003
Posts: 75,020 U.S.S.A.
JohnRR
I Win
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I Win
Joined: Jan 2003
Posts: 75,020
U.S.S.A.
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Quote:
It goes into reverse without a hitch. Works fine in reverse and 1-2 shift. The 2-3 shift problem just started. Once it shifts into 3rd, I can stick my foot in it and it pulls no problem. It only slips when it does the 2-3 shift.
WHAT EXACTLY is happening on the 2-3 shift , is it an RPM flare ???? If once it gets into third and it holds fine it's not slipping .
Here is how the 2-3 shift works , the front band release the front drum , at a certian point during that cycle the front clutches apply , a PERFECT shift you feel nothing abnormal , there is the tiniest bit of overlap between the shifts by design.
If you see the rpm just jump up , maybe 1000 rpm before it goes into 3rd then what is happening is your front band is releasing faster than the clutches are applying , this can be caused by a couple of things .... 1 is the front band is out of adjustment , 2 the front servo is releasing too fast , 3 the front clutch pack is not applying fast enough and that can be caused by 3 things , too much clearance , too many springs on the apply piston or a leak in the hydraulic circuit ...
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