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Post Info TOPIC: rearend leaking where tube enters pumpkin


Guru

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rearend leaking where tube enters pumpkin


rearend leaking where the axle tube is pressed into the housing can this be welded I was told pumpkin is cast and tube is steel anyone ever dealt with ths rear is gm 12 bolt thx



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Poncho Master!

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I've never had a leak there, but I have heard of them.

I think I'd try cleaning it really well with wire brush & a solvent. Final clean with a de-oiling solvent. Then JB Weld it.
If that doesn't fix it, the tube might be moving in the housing and welding might be a good idea.

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Poncho Master!

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It's common for drag race cars to weld the axle tubes to the housing as they are just a press fit with a spot weld, and can twist in the housing. Many use a NI-rod and begin by welding 4 evenly spaced spots around the joint on each side. This can be done in the car but the cover should be removed to relieve any pressure build up during welding.

Thanks
Randy


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A Poncho Legend!

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GLHS60 wrote:

It's common for drag race cars to weld the axle tubes to the housing as they are just a press fit with a spot weld, and can twist in the housing. Many use a NI-rod and begin by welding 4 evenly spaced spots around the joint on each side. This can be done in the car but the cover should be removed to relieve any pressure build up during welding.

Thanks
Randy


          what he said        we use a lot of JB weld and its good too  



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Canadian Poncho Superstar!

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common with some HP in front of them..

 

X3



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later...rog

AADD supporting member !!
I'm a collector...not a builder!!Located in sunny central Saskatchewan at the lakehead!
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