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Top and bottom rebuild log
Topic Started: Jan 30 2016, 10:13 PM (1,935 Views)
Scoobs
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:D

clean it off with brake cleaner on a rag, and wipe it clean, dry it off, maybe hit it a couple passes with some 36 grit sandpaper and jb weld it. Or ultra grey silicone. On a personal note, id jb weld it. but if it was mine, id replace the case.
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Johnny Mullet
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Fear the Mullet

Aluminum bends once. Breaks off the second time.
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cwatkin


JB Weld or Ultra Black RTV is what I would do.

1. DRAIN all the fluid out.

2. CLEAN the case very well. I mean CLEAN, CLEAN, CLEAN it. You want it SPOTLESS! Use carb cleaner or whatever. Just get it CLEAN! This is very IMPORTANT!

3. ROUGH up the area to be patched with sandpaper or similar.

4. CLEAN it again! This is important for bonding.

5. Patch it using your choice of JB Weld or black RTV. I would probably rough up a section of aluminum sheet and apply that as a patch with whatever you use.

6. If you are worried about the patch falling off while this cures, simply use a stick of some sort between the ground and the patch.

I used this method on a leaky oil pan that had a rock go through it. It was one of the GM 4.3L ones and it hasn't leaked since. It is a HUGE job changing the pan on the 4.3L with a 2WD so tried this first and it worked great. I left it empty of oil for like a week before even starting on this. I left the plug out so it would all drip out.

I also patched a boat this way with black RTV. I didn't have any sheet aluminum at the time and didn't feel like driving to town so used part of an old license plate I cut to size and form fitted instead.

Conor
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Crvett69


I had a similar leaking Nissan one. Cleaned it up, used JB weld to seal hole them put a layer of black rtv over the top in case there was a small pinhole or leak in the JB weld. It's still holding several years later
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702852


Thank you for everyone ideas and support.

Here is a pic of first layer of jb weld

Posted Image
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Johnny Mullet
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Fear the Mullet

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Hanuman
"The Almighty Grounds Cleaner"

cwatkin
Mar 29 2016, 11:05 PM
JB Weld or Ultra Black RTV is what I would do.

1. DRAIN all the fluid out.

2. CLEAN the case very well. I mean CLEAN, CLEAN, CLEAN it. You want it SPOTLESS! Use carb cleaner or whatever. Just get it CLEAN! This is very IMPORTANT!

3. ROUGH up the area to be patched with sandpaper or similar.

4. CLEAN it again! This is important for bonding.

5. Patch it using your choice of JB Weld or black RTV. I would probably rough up a section of aluminum sheet and apply that as a patch with whatever you use.

6. If you are worried about the patch falling off while this cures, simply use a stick of some sort between the ground and the patch.

I used this method on a leaky oil pan that had a rock go through it. It was one of the GM 4.3L ones and it hasn't leaked since. It is a HUGE job changing the pan on the 4.3L with a 2WD so tried this first and it worked great. I left it empty of oil for like a week before even starting on this. I left the plug out so it would all drip out.

I also patched a boat this way with black RTV. I didn't have any sheet aluminum at the time and didn't feel like driving to town so used part of an old license plate I cut to size and form fitted instead.

Conor
:thumb
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702852


So with great many thanks. We have the final result of the geo trans crack repair......





















IT WORKED!!!!!!!!
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702852


I have to upload pics, but in a nutshell. I cleaned the area with a bar of soap and water then scuffed the area with 25 grit paper and used two layers of jb weld. The red and black tubes with a 30 minute break between layers.

The car sat jacked up for 3 days and today I filled up a quart of synchromesh on top of what was left over and drove the car same way with hard braking to make sure the oil sloshed around and not one drip from the jb weld repair. So mucho thanks gang. And pics to come.
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702852


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Silver2K


Nice. You should think about sending a testimonial to JB Weld. "I had a crack in my transmission and was looking at a $500 replacement..."

I love JB Weld. I used some a few weeks ago to fix my rear bumper. A tab broke where a screw holds it to the frame. Used tape to form a mold, added JB Weld. Next day I ground it down & drilled the hole for the screw.
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mt999999
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Self-Declared "Genious"

702852
Apr 2 2016, 06:15 PM
So with great many thanks. We have the final result of the geo trans crack repair......





















IT WORKED!!!!!!!!
Hmm... thought perhaps a video was in this blank spot, but it wasn't loading on my end... :lol

Glad it worked! Hopefully it holds up. I plan on grabbing some of their plastic weld to repair a vintage 80's vaporizer that I dropped and cracked (while full of water).
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Johnny Mullet
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The oil pan on my Chevy 4x4 got punctured at the mud park back in 2011 and I patched it with JB Weld. Still holding to this day :thumb
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