Hmmm, good question.

Not really. I always send converters that function properly but are contaminated out to our converter shop to be cut opened and inspected.

It's cheap insurance. Glad you brought that up. The fine metal bebris will be hard on the torrington bearings inside it.

g

 

The best way is to have it cut and cleaned. Not the cheapest way but is the most effective. Some guy's will get a couple of quarts of fluid. Take the fluid and pour half a quart in it until it settles completely. Then take the converter and turn it upside down to drain until the oil is completely drained. Repeat the process until it appears to be free from debris. I'm not a big fan of this method but it can't hurt. A cut and clean is the right way to do it. Vince

Side note...Gilbert you sure have good friends. It does take a real man to admit when he is wrong or has made a mistake. That's why in my post I said "if I remember correctly"

 

Thanks, Im operating on a very low budget so sending it somewhere is out of the option. I plan on picking up a new one within a few weeks so I hope if I flush it that it will be ok for a bit.

 

I'm following along in my manual...

Red circle in photo above (where checkball pushed thru), is that checkball #8 (connecting passages 24 and 25, right next to orifice 16)...?

 

Yes the #8 ball is what GM is calling it. However it is used to direct second gear oil. I'm not sure about the passages and the orifice because I do not have a book in front of me right at the moment. This same ball is seated in 2nd, 3rd and 4th. It is only released in first gear. With it being stuck in the separator plate the band was more than likely dragging in first gear. I believe this is what had hurt the band in this unit. Glad to see that you are smart enough to pick up the book. Vince

 

Where are you guys getting this information? I would like to get a better manual for this unit, all I have is the rebuild manual.

 

I use the ATSG manual for a quick reference. The best book I have found is the GM Hydramatic book. It really goes into detail for what does what and how it works. I use it mostly for the oil schematics. It might be a little over kill for the do-it-yourselfer but is a very good book. The book that I have at the shop is a Gm service manual that covers a lot of the units from GM. I do know that it is not a cheap book. I have learned quite a bit from it and still do. Glad to see you guy's looking for more references.

 

Yes I agree with Vince... unless you are planning to be inside one of these units often and need very in depth engineering level information a Hydro Matic book just seems to be overkill. Not to mention it can be difficult to read and understand! That being said, if you are interested in taking your understanding of this transmission to a comletely different level then that is the correct reference tool.

Very often we are confronted with a new idea for a different control device, a new set of symptoms, are confused, are having a senior moment and just can't remember something or are up against a good old fashioned trouble car... our technical libraries become priceless in those situations.

And then if you are sadistic, and just love torturing yourself it makes for good reading over coffee in the morning!

Good Luck with the build... let us know how it comes out!

g

 

It's called "Hydra-Matic 4L60-E Technician's Guide", and as Vince and Gilbert said you would be a professional or a hard-core DIY to read thru it, it has good diagrams, but every word is meaningful (don't miss a word)...

It's not a service manual, but it is a detailed "principle(s) of operation" covering every aspect.

(For service manual, use the GM service manual(s) plus the ATSG manuals.)

 

Thats just what I wanted. I got it back in the car, has all 4 gears but feel kind of funny. It wont shift out of first until 2200 rpm or so either unless I let off the gas. Ill give it a little time to get settled in and see what happens.

 

Alright, after 250 miles I'm noticing some weird problems. #1 it still wont shift at WOT, bounces the car off the rev limiter until I let off. #2 it now goes into lockup at 20-25mph.
#3 1st gear makes a dragging sound especially if I'm turning, sounds like dragging a soda can across a table. Shifts smoothed out nicely though and gas mileage is up.

 

#1 Tuning issue most likely.

#2 Def tuning issue.... you need to find out if it is being commanded to lock up or not.

#3 Huh?... like a scraping noise? Only in 1st gear.... hmm. I gotta tell you I am not so good at noises I cannot hear. Is it in the transmission... does it do it on the lift... hows about a hard pull vs part throttle.... I have more ??? but I think you get the idea. More info needed on that one I'm afraid.

Glad to see it up and running !!!!

g

 

Ill have to look into getting this thing tuned then, I need my rear O2s tuned out anyways. As far as the noise, Ill give it a few days and see what happens, because right now its just a noise and doesnt seem to do anything.

 

That book is the shiz-nit.

Lots of nice colorful illustrations...brings me back to first grade


Now if only the hydra-matic book had the current transgo HD-2 instructions, i'd be set
Sorry for the shitty pics, i'm using my camcorder as a camera.

 

Holy crap batman thats exactly what I want. Coming from work every day where I can whip out the old toughbook with IETMs and look up whatever I could possibly want to know, its frustrating not to be able to get a good schematic or description when I want it.