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Discussion Starter #1
Hi All, I had the misfortune to hit my exhaust off a brick lying in the road and it made a terrible bang followed by a definite exhaust leak. On closer inspection it looked like it hit the exhaust upwards where it bends back under the engine just at the lower heat shield nuts. On closer inspection it looks like the cat is undamaged and the only leak appears to be where the manifold meets the head on the r/h/s ( looking fwd, beside the pulleys ) All the bolts are tight and no cracks are visable .Levering the manifold pipes doesn`t make it worse. The noise is not that bad. I suspect where the pipe is welded to the flange , the spot weld has broken. It`s just making some noise at that corner......no signs of a soot stain and the studs have not pulled.
The twin branch manifold looks like mild steel...I was expecting it to be cast iron.
Is it weldable with standard electric arc welding equipment and rods or would it need special rods ? ..............tks in advance ........Dannyboy.
 

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Hi All, I had the misfortune to hit my exhaust off a brick lying in the road and it made a terrible bang followed by a definite exhaust leak. On closer inspection it looked like it hit the exhaust upwards where it bends back under the engine just at the lower heat shield nuts. On closer inspection it looks like the cat is undamaged and the only leak appears to be where the manifold meets the head on the r/h/s ( looking fwd, beside the pulleys ) All the bolts are tight and no cracks are visable .Levering the manifold pipes doesn`t make it worse. The noise is not that bad. I suspect where the pipe is welded to the flange , the spot weld has broken. It`s just making some noise at that corner......no signs of a soot stain and the studs have not pulled.
The twin branch manifold looks like mild steel...I was expecting it to be cast iron.
Is it weldable with standard electric arc welding equipment and rods or would it need special rods ? ..............tks in advance ........Dannyboy.
no any repair it needs to be off and standard arc welder youll be chasing holes upload a pic so i can see :thumbs:

ps welding on any car you can fry your ecu's
 

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Discussion Starter #3
I was planning on removing the manifold completely before attempting welding......the real question is will I be able to weld it or will I need special rods. I have experience of normal arc welding and have a standard arc welder. ...............nothing to see with a pic ...everything looks normal....I presume the leak is underneath and will be obvious after removal..............It`s definitely coming from that pipe to flange area. ......................dannyboy
 

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I was planning on removing the manifold completely before attempting welding......the real question is will I be able to weld it or will I need special rods. I have experience of normal arc welding and have a standard arc welder. ...............nothing to see with a pic ...everything looks normal....I presume the leak is underneath and will be obvious after removal..............It`s definitely coming from that pipe to flange area. ......................dannyboy
im sure its stainless steel and will require tig welding and it will be a ***** to do because weld pool will be contaminated from what soot is in there and it will crack again :eek:
 

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Tks davealfa11..........I`ll reconsider and look for a welding specialist.............rgds........Dannyboy.
dont need specialist look in local yellow pages like pipe work engineers .....the welders will know exactly what needs doing ....if they um and arrrr ,,,go to place who dont if you get my drift and have a tenner in ya pocket ;)

ps decent place will do grind test to check material
 

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Discussion Starter #7
Hi Davealfa11, I took your advice, removed it from the car....looked like stainless steel to me. Brought it to a specialist, he confirmed it was stainless and did a weld repair. Its back on the car and all is well.
Tks for help..........dannyboy
 
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im no weldin specialist and my manifold sufferd the same problem and i use a arc weldin and it work perfect also im not to sure how u like at weldin but i didnt take my manifold off so i must be pretty good but good luck
Yous weldin skillz be betta than ur engrish thenz?
 
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