Thanks, will do. Ill keep you posted......
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Max IV will not move. Please help....
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Well, I decided to go ahead and get a new belt so I took the old one off. I tried again to turn the clutch by hand in neutral, but it was very hard to turn. I thought before I started removing everything I would just check the fluid in the trans. Sure enough, just as I feared, the thing was bone dry. So I added the proper amount of fluid and try to turn it by hand again. I made a couple of revolutions but it was still difficult to turn. I figured that maybe if I put the belt back on and ran it in neutral it might lube everything up real good and loosen it up. I still had the motor mount bolts loose so I tightened one up to hold the motor down and cranked it up. After running for a few seconds, it seemed like it might have worked, so I thought what the heck, I will just put it in gear and see what it will do. I put it in gear, gave it some throttle, and the thing drove straight off of the trailer! I even tried it in reverse after that (kind of had too, to get it back on the trailer), and it worked as well. I got it back on the trailer and put it in neutral and I could turn it very easily by hand and everything seemed to be in working order. I ordered a new belt that should be in on Friday so I am waiting until then before I give it a full test run.
What do you guys think? Does it sound like I may have dodged a bullet? What kind of damage could have potentially be done that might pop up in the near future by running it dry?
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Dodge a bullet??? Maybe, your not out of the woods yet. I am curious if the tranny ever hadfluid in it, or where did it go? Check, check, and check again for leaks. You cant be too sure. Not that it would allow that much fluid out, but make sure the plug with a small hole (breather valve) is on the top hole and the bottom plug is the solid one. You could have scarred the drums or wore the bands dowb quite a bit which could cause future scaring of the drums. I would order a center gasket from ri and split the t-20 to inspect the bands and drums. Put it back together using the new seal and make sure everything fits tight with no leaks.l like to buy stuff and no I don't do payments!
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Originally posted by amphibious drew View PostDodge a bullet??? Maybe, your not out of the woods yet. I am curious if the tranny ever hadfluid in it, or where did it go? Check, check, and check again for leaks. You cant be too sure. Not that it would allow that much fluid out, but make sure the plug with a small hole (breather valve) is on the top hole and the bottom plug is the solid one. You could have scarred the drums or wore the bands dowb quite a bit which could cause future scaring of the drums. I would order a center gasket from ri and split the t-20 to inspect the bands and drums. Put it back together using the new seal and make sure everything fits tight with no leaks.
Thats my 2 pennies..
-WagZ-I have officially caught the 6-wheel-sickness!!
"If your gonna be dumb, you better be Tough!"
"I have done so much, with so little, for so long, that I'm now capable of doing practically anything with virtually nothing...."
BUY AMERICAN..or...BYE AMERICA!!!
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Torched input bearing! it ran dry till it seized. when the input shaft was turning really hard, the outer race of the bearing was probably spinning in it's bore. lube freed the bearing back up. there is no way to guess how bad it hurt the bearing. it's a cheap fix money wise, but rather labor intensive. you will have to split the case and tear down the entire left side. at minimum, replace the bearing and all seals. as Drew said, there is no telling what you will find as far as damage to bands and drums (and sun gear/ output shaft bearings).
The T-20 is an incredibly tough unit. you might run it another 10 years as it is right now, but I wouldn't want to get too far from the truck by myself with it knowing what has happened.A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed.
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Well, I let it sit over night and I just checked it. There is a leak in the main gasket so it looks like I definitely will need to pull it and open it up anyway. Whenever I can get time to do it, I will let yall know what I find. Thanks again for all the help guys.
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Originally posted by 2band View PostDoes it sound like I may have dodged a bullet? What kind of damage could have potentially be done that might pop up in the near future by running it dry?
You really, really need to rip the whole thing apart before you do anything else, regardless of whether the main case seal is leaking or not. We're all constantly surprised at how much abuse these transmissions will take, so maybe you're in luck and you can get away with replacing the minimum of parts.sigpic
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Well, I have taken everything apart. I immediately discovered the cause of the leak in the main seals. Most of the bolts holding the two halves together were loose to extremely loose. My guess is vibration caused this. When I put it back together, I will definitely be using loc-tite. Once inside I was relieved to find most everything in good condition. I expected the drums and/or bands to have some significant damage from running it dry but everything appears to be in good condition. I did find what I believe to be the culprit for my problems though. I had a broken thrust washer on the right side. one piece was sort of stuck in the gears with another couple of small pieces just floating freely around in there. The fluid probably just freed everything up temporarily. Everything around where it was along with everything else appears to be in good shape so I am fairly certain that and the main seals are all of the parts I need. To be honest, I am actually glad the thing was leaking or I would probably have not taken it apart and found the broken washer.
After taking this thing apart and getting a good look at everything, I can't help but be impressed at how that thing withstood running it dry. I purchased it with about 88 on the hm and it is at around 100 now. For all I know, it has been dry for those 12 or so hours. And I have to admit, the work hasn't been nearly as bad as I thought it was going to be. I will probably spend more time cleaning out the tub (while I have everything out) than working on the trans. Thanks again for all the help. I will give another update when I get everything put back together.
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Spoke too soon. I was putting everything back together and noticed one of the three small planetary gears on the left side would not rotate smoothly or come off. After some prying and wiggling, I got it off and found that the needle bearings in the gear had burnt out. I will have to replace the bearing and sand the burnt metal from the bearing off of the shaft but I don't think it will be a problem. I ordered all of the parts I need for around $100 today. Hopefully that will be it. All things considered it could be a lot worse.
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Well, I got everything fixed and put back together. I didn't even have any "extra" parts laying around when I got done either. Everything is working well. I can really tell a difference with the new belt. Everything seems a little smoother with more torque. Thank yall again for the help.
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