4r70w J-Mod questions - TCCoA Forums
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post #1 of 3 (permalink) Old 08-03-2018, 09:43 PM Thread Starter
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4r70w J-Mod questions

Hi all,
In rebuilding my valve body, two questions came up that I can't find an answer for:
1) The two springs for the Capacity Modulator Valve and the low servo modulator valve are different, but I can't find in the service manual or the documentation which spring goes first.
(see pic below from https://www.tccoa.com/articles/mn12-...w_rebuild.html and the pic from my springs below).
One spring is orange/red(?) and the other spring is black. The orange spring is shorter than the black spring.

2) In the 4r70w document mentioned above in the TCCOA forums, the author mentions drilling a hole into the boost sleeve port to keep the torque converter charged. I do not see this in either of the other articles or the Baumen Engineering document I have for the AOD. Is this necessary or required for the J-Mod? (see pic below).

Any comments would be appreciated.
Attached Images
File Type: jpg Springs.JPG (57.4 KB, 1 views)
File Type: jpg DSC01450.JPG (4.34 MB, 1 views)
File Type: jpg Drill hole.JPG (68.5 KB, 0 views)

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post #2 of 3 (permalink) Old 08-03-2018, 11:53 PM
No, Mr. Lemmywinks, No!!!

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Dude, how far are you into this transmission?

I would disassemble the one you have, remove the tail shaft, and go buy a 2002 4r70W to rebuild.

Replace all the SEALS, use your tail shaft, and add the upgrade parts for that tranny; Sonnax is your friend.

I used a "Super Tuff Plate" on the 2002 tranny, as a well as the Sonnax Plate.

https://www.explorerforum.com/forums...-diary.128800/

The original solenoids are available from PATC, they are good guys.

Old Connector for New Tranny: To match your eec, things have to change)
https://transmissioncenter.net/shop/...e-4r70w-92-97/
Add your solenoids into the new one; i think it's the TCC, but Search.

There are several reasons NOT to rebuild a 94-95 trammy.


If you do as above, it will plug and play.
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Red '96 Cougar XR-7 240k mi. '02 4R70W, PST DS : '03 PI engine, 04 maf, 24lb injectors, 2.5" exhaust, '02 4r70w + Jmod, DirtyD0g TC + cooler + 3/8" lines, 255 walbro fp. Alpine system.
Black '96 Cougar XR-7 (Lazarus) 210k mi PI Intake, '02 4R70W, Jmod, PST DS, GrogTune, Konis, Mark LCA+Poly, racecougar Custom Engine Chain, and JL and racecougar Bracing.
Black '97 Tbird Limited Edition, '02 4R70W, 255 walbro, PST DS, PBR Brakes&SS lines, Toicko Blues & Springs, GrogTune.


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Last edited by Grog6; 08-04-2018 at 12:01 AM.
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post #3 of 3 (permalink) Old 08-04-2018, 09:10 AM Thread Starter
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I am just doing the valve body. Re-building the tranny would be a nice project, but the wife needs her car before next year. :P

I think from the pic from the link above, the orange spring goes in first.

Thanks!

1995 Lincoln Town Car Signature Series - 180k!
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1988 Lincoln Mark VII LSC - SOLD!
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