 Liquid welds on the tranny case, JB Weld, Permatex Gear Oil RTV Gasket Maker, ?? |
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| Hank914 |
 Jan 11 2015, 11:46 AM
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#1
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Member  Group: Members Posts: 389 Joined: 7-April 14 From: CA and OR Member No.: 17,215 Region Association: None  |
I have a tranny case leak that needs a repair. Here is a pic of the leak, which when warmed up is about one large drop a second.
 I figure that I should do a real weld for the permanent fix, but would like to do a temp fix so I can drive over to my welder brother-in law about a 100 miles away. So, what is the best liquid weld goop for this type of a hole (about 1-2 mm in diameter)? |
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| Mike Bellis |
Jan 11 2015, 12:18 PM
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#2
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Resident Electrician Group: Members Posts: 8,347 Joined: 22-June 09 From: Midlothian TX Member No.: 10,496 Region Association: None 
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Drill it, tap it and install a plug.
Or Find a new transmission... |
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| Hank914 |
Jan 11 2015, 12:35 PM
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#3
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Member Group: Members Posts: 389 Joined: 7-April 14 From: CA and OR Member No.: 17,215 Region Association: None |
QUOTE(Mike Bellis @ Jan 11 2015, 10:18 AM)  Drill it, tap it and install a plug. Thanks for the idea. How thick is the case wall? What size plug? Permanent welded plug or removeable? |
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| Mike Bellis |
Jan 11 2015, 12:47 PM
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#4
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Resident Electrician Group: Members Posts: 8,347 Joined: 22-June 09 From: Midlothian TX Member No.: 10,496 Region Association: None
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QUOTE(Hank914 @ Jan 11 2015, 10:35 AM) QUOTE(Mike Bellis @ Jan 11 2015, 10:18 AM) Drill it, tap it and install a plug. Thanks for the idea. How thick is the case wall? What size plug? Permanent welded plug or removeable? I would use a 1/8 NPT plug. There should be enough material to tap it. If the case is magnesium, you will not be able to weld it. If you try, it will be a spectacular firework display. The magnesium will ignite and not go out until it consumes itself. |
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| jd74914 |
Jan 11 2015, 04:10 PM
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#5
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Its alive Group: Members Posts: 4,843 Joined: 16-February 04 From: CT Member No.: 1,659 Region Association: North East States |
QUOTE(Mike Bellis @ Jan 11 2015, 01:47 PM) If the case is magnesium, you will not be able to weld it. If you try, it will be a spectacular firework display. The magnesium will ignite and not go out until it consumes itself. Just a small correction, magnesium is weldable and welds quite like aluminum. I've never done it but have heard is is actually just a little easier to weld than aluminum. You just can't get shavings too hot or they will burn. You really need to put a lot of energy into magnesium to make it burn (we use magnesium castings extensive on some of our racecars and you really have to try to burn the chips left over from machining). Welding dirty transmissions does suck though so I wouldn't recommend it! (IMG:style_emoticons/default/laugh.gif) The drill and tap or JB weld method is much better. |
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Posts in this topic
Hank914 Liquid welds on the tranny case Jan 11 2015, 11:46 AM
Hank914 Here is a somewhat in focus close up of the hole.
... Jan 11 2015, 11:53 AM Harpo Your trans case is magnesium. Good luck
David Jan 11 2015, 12:15 PM
SirAndy Drill it, tap it and install a plug.
:agree:
I... Jan 11 2015, 02:03 PM Bruce Hinds It would be a no brainer to try the JB weld.
I... Jan 11 2015, 03:50 PM veekry9 Welding is possible,but,the damaged area will requ... Jan 11 2015, 05:10 PM partwerks I used JB weld on a old 30+ year old, Campbell Ha... Jan 11 2015, 07:42 PM veekry9 Oh yeah,I used the stuff for similar repairs,indis... Jan 11 2015, 07:59 PM a few loose screws I'm another vote for installing a plug. As a s... Jan 12 2015, 06:32 AM Geezer914 If the hole is small, say 1/8" just run a sm... Jan 12 2015, 07:09 AM johnhora I've used JB Weld on 911 mag intake manifolds ... Jan 12 2015, 10:53 AM veekry9 http://solutions.3m.com/wps/portal/3M/en_U...81606... Jan 12 2015, 11:17 AM iamchappy JB Weld will work fiine, it's whats used on th... Jan 12 2015, 11:25 AM Dr Evil A little back story...
This is the replacement tr... Jan 12 2015, 11:41 AM Hank914
A little back story...
This is the replacement t... Jan 20 2015, 01:37 AM Cap'n Krusty Every one of these solutions, except maybe drillin... Jan 12 2015, 11:45 AM Dr Evil I can verify, but a 1/8" or slightly bigger p... Jan 12 2015, 11:56 AM a few loose screws You can patch a leaking case without getting it pe... Jan 12 2015, 12:17 PM CatDaddy60 I have a Case that ran afoul of a wayward axle sha... Jan 13 2015, 06:27 PM Dr Evil For a small spot like Hank's, no prob to just ... Jan 13 2015, 07:49 PM relentless One more tip if you do drill and tap it. Coat the... Jan 14 2015, 04:24 PM Hank914 Thanks everybody for the comments and advice.
I w... Jan 18 2015, 08:18 PM Dr Evil Looks great ;) Jan 18 2015, 08:21 PM Hank914 Pic after my repair job. I screwed in a metal scr... Jan 18 2015, 08:22 PM Dr Evil Did it work? If it gives you issues, change to NPT... Jan 18 2015, 08:28 PM Hank914 And then I had to go have a few :beer3: while i... Jan 18 2015, 08:29 PM Hank914 So yes, there is some yellow, which is oil. But m... Jan 18 2015, 08:30 PM Dr Evil Ya, that is why they use pipe tread on the plugs, ... Jan 18 2015, 09:53 PM Tbrown4x4 Mike, I was just about to PM you about Hank914... Jan 19 2015, 04:53 AM sixnotfour
Send him a new one one Jan 20 2015, 02:06 AM |
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