still having problems after shift kit
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Senior User
Joined: Jul 2005
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still having problems after shift kit
As some of you may have read before about 3 weeks ago I put a transgo shift kit in my 99 f150 w/ 4.2l (4R70W tranny). All went well. Once back together If I drop it in drive it stays stuck in one gear, I can drop it to 1st and shift to 2nd but 2nd to D does nothing. I pulled it apart and had no stuck valves and cleaned the valve body up a bit more. Still no luck. I pulled out the 1-2 accumulator and noticed it had a small slit on one of the seals. I changed it out and still no luck. It seems like I am just going to put in a whole new valve body and hope that works out for me, but in the mean time does anyone have some ideas as to what could have gone wrong here?
Cargo Master
Joined: Dec 2003
Posts: 2,182
Likes: 7
From: Saint Augustine, FL
I owned an AAMCO Center for several years. In the industry, sloppy rebuilders used Transgo kits to cover up sloppy shifts resulting from sloppy work. I can't think of any reason to use a shift kit in a 4r70w. Its an excellent transmission.
The guy behind Baumann Engineering is the guy at Ford that designed the 4r70w. I would stick with him if you are wanting to improve the transmission's performance.
Steve
'95 Clubwagon XLT
The guy behind Baumann Engineering is the guy at Ford that designed the 4r70w. I would stick with him if you are wanting to improve the transmission's performance.
Steve
'95 Clubwagon XLT
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Chances are im just going to throw in new valve body and leave it as is. I found some stock used ones from ford-aode.com for $40 and change out the 2-3 piston while im at it since I have a new one laying around and hope that fixes the problem. If not ill just pay the money to take it to ford. Living in an apt and making a big mess with ATF every weekend is getting old as well as with the hours I go to school its just a pain in the ___ ive been messing with it for about 3-4 weeks now.
