4L60E Complete Rebuild

[Holden202T]

yep thats the one, i think its ATSG ?

[The1]

Nar the gm one, quick google

http://www.grail-ss.com/GRAIL%20Website ... hGuide.pdf

This guy's videos were good on YouTube, called transmission bench
https://m.youtube.com/watch?v=SK84Qy_Vu_E

[VK_3800]

There's a manual by ATRA/Cliff McCormick which is pretty good for rebuilds too; its not a technical reference so it won't tell you how things work, but is good for step-by-step work and makes it easier to avoid forgetting things or getting out of sequence.

[immortality]

Cheers guys.

Damn I regret getting rid of the old tranny I had, it would have been a great test subject to strip and inspect and play with before doing an actual rebuild.

[The1]

There not as hard to work on as people make it out to be other than general tools a spring compressor is about it, feeler gauages is a must to check pack clearences as you can accidentially mix up spacer plates. My box in this build now has 50,000km on it and going well.

[Comcal76]

There's a manual by ATRA/Cliff McCormick which is pretty good for rebuilds too; its not a technical reference so it won't tell you how things work, but is good for step-by-step work and makes it easier to avoid forgetting things or getting out of sequence.

That's the one I used and is in the link I fixed.

Tools I used.

Input and reverse drum spring cage removal

IMG_20190424_104524.jpg

Home made low/reverse spring tool.

IMG_20190424_104930.jpg

Teflon seal installer and resizer plastic bottle

IMG_20190424_110230.jpg

IMG_20190424_110459.jpg

[The1]

Nice work, you'd have to watch the hose clamps don't grab the orings

[V8fan]

Boost Valve Upgrade

Revive this thread with one question - is this tranny still goes strong or you already rebuild it again?

[The1]

Still going strong, shifts very nice, about 30,000km on it, most is hard work.

[V8fan]

looks you're more patient driver than me )
I drove mine like a maniac every day at WOT
I also rebuild by myself (and have zero experience it AT rebuilds before) and made same mistake -leave aluminum OEM forward piston
With boost valve and upgraded pump spring I achieve 18 bar pressure at WOT and forward cracked (they famous to do that if pressure rises
After that I learn a lot and broke my tranny several times (input shaft , front planet twice, Torrington bearings disintegrates and so on)
I read about racing mods -use them
Achieve knowledge and broken tranny )))
But for now I somehow experienced builder haha ))
And I dont wanna stop -I'm building right now next version