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post #1 of 14 (permalink) Old 06-06-2011, 03:11 PM Thread Starter
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Question Complete Rebuild but no access to the Special Tools

Hi folks,
I have to rebuild my 4 R 70 W complete. I don't have access to these Special Tools, E. G. Lipseal Protector and others. Did somebody perform a complete rebuild without theses tools and how did it go. What tools did you use instead or what tools did you build?

Any suggestion would be appreciated.
Frank
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post #2 of 14 (permalink) Old 06-06-2011, 03:19 PM
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I've taken apart and re-assembled a 4R70W using basic hand and air tools, snap ring pliers, and a hydraulic press. Everything went back together fine and the trans worked with no issues, so if I had one that was having issues, I wouldn't hesitate to pull it apart and investigate again.

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post #3 of 14 (permalink) Old 06-06-2011, 03:22 PM
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When I built my low mile Mustang unit I only upgraded the clutch packs and added a spiral lock ring for the MD, All I used were a few flat blade screw drivers, good snap ring pliers, C clamps, an in/lb torque wrench, and pretty good knowledge of what I was doing.

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post #4 of 14 (permalink) Old 06-06-2011, 06:00 PM Thread Starter
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Question

Quote:
Originally Posted by MadMikeyL View Post
I've taken apart and re-assembled a 4R70W using basic hand and air tools, snap ring pliers, and a hydraulic press. Everything went back together fine and the trans worked with no issues, so if I had one that was having issues, I wouldn't hesitate to pull it apart and investigate again.
Okay sounds really good but how did you check the endplay of the pump
i know this is tricky and i would need different trustwashers do make it right or the tranny burns up after a while

any ideas???

sincerely

frank
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post #5 of 14 (permalink) Old 06-06-2011, 06:13 PM
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The one I did wasn't having any pump issues, just started slipping in OD, so I never took the pump apart. I'm not a transmission expert, I just can figure stuff out from messing with it, so basically the trans came apart, I kept everything in the same order it came out, it got new clutches and a new OD band, and and it went back together in the same order, and everything worked. I figured if I screwed it up I would only be out the cost of the frictions, and if it worked, I would save having to buy another trans or the cost of a rebuild, so I gave it a try and it worked out well.

-91 Cougar LS, coming soon, complete overhaul with a 427" Windsor.
-90 XR7 5-speed black on black w/sunroof, MP2, coated rotors, double intercooler, 15%OD, ported heads, comp stage 1 cam, 85mm TB, 90MM LMAF, 80# injectors, and ported big valve heads
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post #6 of 14 (permalink) Old 06-07-2011, 12:31 AM
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This Thread will help some - http://forums.tccoa.com/showthread.php?t=51637

First of all your 94 case & it's poor Hard Parts are generally deemed not worth rebuilding - Consensus would be to find 98 or newer & if low enuff miles you may want to roll the dice & forego rebuild - You DEFINITELY need a newer than 94 TC or you are completely wasting time & LOTS of effort~! -

For Rebuild you need TIME - & Yes you'll need a hydraulic press or at least a Piston Jack you can wedge into an area at some point - Some thin plastic Shim stock makes a great Seal Protector - Some Plumbing Parts fm Hardware Store make great compression Tools when mated with allthread & washers - You WILL want to check end play for Thrust Washer & there you need a proper length staright edge & at least a digital calipre or a depth Mic & some GOOD eyes - An Engine Stand can be tweaked to get the tranny vertical as you'll need that at final build point for sure - My BEST advice is buy your parts fm Dirty Dog, the little Screwdriver he sends you is WAY helpful & more importantly so is he - Some jerks buy all their stuff on Ebay then take advantage of the D/D & Darrin... don;t be that guy.

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Last edited by BUCK; 06-07-2011 at 12:44 AM.
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post #7 of 14 (permalink) Old 06-07-2011, 07:20 PM Thread Starter
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Unhappy oh oh big problem

thank you guys for your help

i guess i have a bigger problem the bore from the 1-2 shift accumulator is damaged

because the top spring broke i don t know what else will come up since i m still

disassemble the tranny

question?? can i just buff it out or is this a bigger issue ,is pretty bad looking

the piston is in bad shape too

i did not do anything to the tranny it is from a cop car so i don t know what

somebody did to it

any help will be appreciated

sincerely

frank
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post #8 of 14 (permalink) Old 06-07-2011, 07:23 PM Thread Starter
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Quote:
Originally Posted by BUCK View Post
This Thread will help some - http://forums.tccoa.com/showthread.php?t=51637

First of all your 94 case & it's poor Hard Parts are generally deemed not worth rebuilding - Consensus would be to find 98 or newer & if low enuff miles you may want to roll the dice & forego rebuild - You DEFINITELY need a newer than 94 TC or you are completely wasting time & LOTS of effort~! -

For Rebuild you need TIME - & Yes you'll need a hydraulic press or at least a Piston Jack you can wedge into an area at some point - Some thin plastic Shim stock makes a great Seal Protector - Some Plumbing Parts fm Hardware Store make great compression Tools when mated with allthread & washers - You WILL want to check end play for Thrust Washer & there you need a proper length staright edge & at least a digital calipre or a depth Mic & some GOOD eyes - An Engine Stand can be tweaked to get the tranny vertical as you'll need that at final build point for sure - My BEST advice is buy your parts fm Dirty Dog, the little Screwdriver he sends you is WAY helpful & more importantly so is he - Some jerks buy all their stuff on Ebay then take advantage of the D/D & Darrin... don;t be that guy.
No i m not that guy i build my own tools if i have to and learn as i go along just try to find out the backyard tricks
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post #9 of 14 (permalink) Old 06-07-2011, 07:33 PM
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The accumulator and spring problems are well known, just buff out the sides of the bore with a scotch brite pad and use the updated accumulator piston in both the 1-2 and 2-3.

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post #10 of 14 (permalink) Old 06-08-2011, 06:17 PM Thread Starter
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Quote:
Originally Posted by BUCK View Post
This Thread will help some - http://forums.tccoa.com/showthread.php?t=51637

First of all your 94 case & it's poor Hard Parts are generally deemed not worth rebuilding - Consensus would be to find 98 or newer & if low enuff miles you may want to roll the dice & forego rebuild - You DEFINITELY need a newer than 94 TC or you are completely wasting time & LOTS of effort~! -

For Rebuild you need TIME - & Yes you'll need a hydraulic press or at least a Piston Jack you can wedge into an area at some point - Some thin plastic Shim stock makes a great Seal Protector - Some Plumbing Parts fm Hardware Store make great compression Tools when mated with allthread & washers - You WILL want to check end play for Thrust Washer & there you need a proper length staright edge & at least a digital calipre or a depth Mic & some GOOD eyes - An Engine Stand can be tweaked to get the tranny vertical as you'll need that at final build point for sure - My BEST advice is buy your parts fm Dirty Dog, the little Screwdriver he sends you is WAY helpful & more importantly so is he - Some jerks buy all their stuff on Ebay then take advantage of the D/D & Darrin... don;t be that guy.
so i got the tranny apart and start rebuilding it just f.m.i. what i need that hydraulikpress for ? and what s wrong with parts from ebay money is tight these days but i don t take advantage of anybody i just try to learn and trust me i learn fast i have also the shopsoftware to do the job it is just sometimes not quite clear what the software is pointing out
i do help anybody who need in return to

sincerely
frank
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post #11 of 14 (permalink) Old 06-08-2011, 07:55 PM
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Every clutch drum has a piston in it that have seals on them. Without special tools you cannot change those seals. There are some work arounds but if you cannot do it the right way you probably shouldn't be trying to figure out how to do it the wrong way. Meaning hopefully they are good and you can leave them alone.
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post #12 of 14 (permalink) Old 06-08-2011, 08:16 PM
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Quote:
Originally Posted by Bad-Hoschy View Post
Hi folks,
I have to rebuild my 4 R 70 W complete. I don't have access to these Special Tools, E. G. Lipseal Protector and others. Did somebody perform a complete rebuild without theses tools and how did it go. What tools did you use instead or what tools did you build?

Any suggestion would be appreciated.
Frank
Hello,you may be able to find the correct tools online for a good price,if so it may be worth buying them just to be safe.
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post #13 of 14 (permalink) Old 06-08-2011, 09:54 PM
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Quote:
Originally Posted by Bad-Hoschy View Post
...the tranny it is from a cop car...
any help will be appreciated

sincerely

frank
frank, you be wasting your time with that tranny; it won't fit your LX.

The tailshaft will need to be swapped, and other stuff.

Search around, all the info is here somewhere.

Or, get DirtyD0g to build you one.

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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post #14 of 14 (permalink) Old 06-12-2011, 07:38 AM Thread Starter
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okay all trannys apart

so i got now all trannys in pieces both have the same issue splines in the clutch messed up

i have so far build a clutchpack compressor and some other tools

is not to bad working on will see how it goes

thanks you guys very much for your help



sincerely
frank
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