GM Drivetrain & Suspension Chassis | Transmission| Driveshaft | Gears/Rear End/Differential | Traction Aids

Ahh... yet another 4L60E rebuild

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Old Aug 4, 2007 | 08:43 PM
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You probably don't want to here this......... It looks to me that you did not have the drum all the way down. The reason I say this is because because that clutch is badly bent where it splines to the 3-4 clutch hub/front planet ring gear. IMO it got hung up the clutch hub when you bolted the pump down. Thus the early 3-4 clutch failure. I've seen this before. Vince
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Old Aug 4, 2007 | 09:32 PM
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Originally Posted by Vince @ FLT
You probably don't want to here this......... It looks to me that you did not have the drum all the way down. The reason I say this is because because that clutch is badly bent where it splines to the 3-4 clutch hub/front planet ring gear. IMO it got hung up the clutch hub when you bolted the pump down. Thus the early 3-4 clutch failure. I've done this before. Vince
By golly, Sherlock, you are right. The clearance was still WAY off too. I always worried about not getting the clutches aligned to fall in completely. Especially since I have no bench to work with this booger standing up. I'll be sure to get it fully installed this time. Another lesson learned.

Oh, Vince... I fixed your post for ya... JFWY.

Went to the mailbox late this evening, and found something that made me laugh...



They'll be soaking for quite some time. Got to order one more mod.
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Old Aug 4, 2007 | 10:49 PM
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BS I've seen it, never have done it personally. I build them standing up and always check the end play with the rear pump half before installing the pump. Then again I learned under the wings of a few excellent builders and from their mistakes, I've know the do's and dont's. You need to get an old case to build of off. Use it as a stand. Or just simply cut a hole in your Black work bench with a hole saw. Now you will have a stand where ever you go. Tech tip of the day.
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Old Aug 5, 2007 | 09:02 AM
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Originally Posted by Vince @ FLT
BS I've seen it, never have done it personally. I build them standing up and always check the end play with the rear pump half before installing the pump. Then again I learned under the wings of a few excellent builders and from their mistakes, I've know the do's and dont's. You need to get an old case to build of off. Use it as a stand. Or just simply cut a hole in your Black work bench with a hole saw. Now you will have a stand where ever you go. Tech tip of the day.
Funny you should mention "old case" I just happen to have one of those... remember the "pink-ish orange" crap? I still got it... the output end of the case is cracked. Perfect candidate.
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Old Aug 5, 2007 | 04:46 PM
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Vince... did just what you mentioned. Had to rearrange things in my storage area, but it's up.

Now... wonder what I can do with the salvageable parts lying around.

Oil Pump Assembly (non-truck type)
Reverse Input Clutch Drum and Housing Assembly
Input Shaft and Housing Assembly (non-truck type)
Input Sun Gear
Input Carrier Assembly
Input Internal Gear
Reaction Carrier Shaft
Reaction Sun Shell & Gear
Lo & Reverse Roller Race
Lo & Reverse Retainer, Clutch, and Support Assembly
Reaction Carrier Assembly
Internal Reaction Gear Support

I won't say that this stuff is non-breakable, but may be useful to someone that builds transmissions.

Even have a spare valve body.
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Old Aug 5, 2007 | 08:21 PM
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New clearance checked at .027" with all frictions + 8 of 9 steels. Add the thick steel on the bottom and backing plate on top, things came in b/t the .020" & .040" threshold.
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Old Aug 5, 2007 | 08:26 PM
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are you soaking your clutches? I've read before that it's not a good idea. . . .
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Old Aug 5, 2007 | 09:45 PM
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Originally Posted by 1BADC10
New clearance checked at .027" with all frictions + 8 of 9 steels. Add the thick steel on the bottom and backing plate on top, things came in b/t the .020" & .040" threshold.
Sounds good to me.



Originally Posted by 1BADC10
Vince... did just what you mentioned. Had to rearrange things in my storage area, but it's up.

Now... wonder what I can do with the salvageable parts lying around.

Oil Pump Assembly (non-truck type)
Reverse Input Clutch Drum and Housing Assembly
Input Shaft and Housing Assembly (non-truck type)
Input Sun Gear
Input Carrier Assembly
Input Internal Gear
Reaction Carrier Shaft
Reaction Sun Shell & Gear
Lo & Reverse Roller Race
Lo & Reverse Retainer, Clutch, and Support Assembly
Reaction Carrier Assembly
Internal Reaction Gear Support

I won't say that this stuff is non-breakable, but may be useful to someone that builds transmissions.

Even have a spare valve body.
Looks like you now have parts in stock! Make sure if go to use them in the future that you match them up especially the pump and the valve body. Coat them up with some oil and bag them up. You never know you might need them in next few months! Did someone new poll! Sounds like you are learning and having fun. What ever you do keep it a hobby, the business will take that away. Vince
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Old Aug 6, 2007 | 06:32 AM
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Originally Posted by Tootall
are you soaking your clutches? I've read before that it's not a good idea. . . .
Why would ya say that? Was told otherwise. Hmm... different story. They're in now. No longer soaking.

Hey, Vince... parts in stock? I-YIEEE-YIEEE. Here ya go with that poll stuff again. Doomed now.

Vince
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Old Aug 6, 2007 | 08:28 AM
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Originally Posted by 1BADC10
Why would ya say that? Was told otherwise. Hmm... different story. They're in now. No longer soaking.

Hey, Vince... parts in stock? I-YIEEE-YIEEE. Here ya go with that poll stuff again. Doomed now.

Vince

from what I've read. . . (I'm no builder) If you let the clutches soak, they chance the over all thickness/tolerance. I've read that it's better to set the clearances, then take the clutches back out and let them soak.
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