There may be trouble ahead!!
Discussion
Is there any simple fix or is it gonna cost me an arm and a leg. I got home from work friday and noticed an exhaust smell in the cockpit of my 's'. It sounded like it was blowing and also started running lumpy, i presume it is loss of compression, (hope). Had a butchers at it today and noticed a hole about 2inch long upwards, and about 5mm wide where the three manifold downpipes meet. Im thinking i might be able to get it welded, or could i do a temporary wrapping job on it to get me by until MOT. Or is it a case that i have to get a new manifold Which i know wont be cheap. Please help. I really want to get it sorted as soon as...
Thanks for any input.
Brett
Thanks for any input.
Brett
A competent welder should be able to patch it up for you Brettster, but you will probably have to remove the manifold for access, if there isn't enough room to get at it properly.
If this is the case, it's time to start soaking those manifold bolts with Plusgas, you don't want to shear them off in the cyl. head.
Good luck,
Glen.
If this is the case, it's time to start soaking those manifold bolts with Plusgas, you don't want to shear them off in the cyl. head.
Good luck,
Glen.
You could try this as a temporary measure, it goes to 400 degrees C which should be OK in that location. The surface will need a good clean up first though.
As regards welding, I found on my old manifolds that it was just the welded seam in the collector that had corroded and just either side was solid metal.
Rob.
As regards welding, I found on my old manifolds that it was just the welded seam in the collector that had corroded and just either side was solid metal.
Rob.
Thanks very much, its given me a bit of hope, i thought it was going to cost fortunes. The place that needs welding is easily accessable so no problem there, and that putty might do in the meantime, thanks glen and rob, always helpful on here. While i was fiddling about earlier i burnt my hand on the exhaust and as i jumped back i scrapped it on the lower pulley and have a gash on my hand as well now. ha ha.
ONWARDS AND UPWARDS
Cheers.
Brett
ONWARDS AND UPWARDS
Cheers.
Brett
Yes, the "this" = http://www.ebay.co.uk/itm/JB-High-Heat-Temperature...
is temporary, since the picture on e-bay says 450 F = 232 C continuous and 500 F = 260 C intermittent.
regards Boudewijn
is temporary, since the picture on e-bay says 450 F = 232 C continuous and 500 F = 260 C intermittent.
regards Boudewijn
tvrgit said:
Griffinr said:
You could try this as a temporary measure, it goes to 400 degrees C which should be OK in that location. The surface will need a good clean up first though.
It's VERY temporary - it doesn't take long to go crumbly and start blowing out of the crack. Trust me.The real solution for our 3000M was making JP Exhausts richer - nice though!
Rather than that epoxy stuff would something like this high temp silicone be any good?
reckon would still need wrapping to stop it being blown off.
reckon would still need wrapping to stop it being blown off.
Got the front downpipe mig welded by my friend that has a garage, and now i have found that a couple of gaskets are blowing either side of the engine and it is running like a pig....
Can't believe it all happened at once, next job is to loosen the manifolds and put putty on both sides of existing gaskets and re-tighten.
With a bit of luck it should sort the running problem out as i think it is due to compression loss.
Fingers crossed.
Can't believe it all happened at once, next job is to loosen the manifolds and put putty on both sides of existing gaskets and re-tighten.
With a bit of luck it should sort the running problem out as i think it is due to compression loss.
Fingers crossed.
brettster said:
Got the front downpipe mig welded by my friend that has a garage, and now i have found that a couple of gaskets are blowing either side of the engine and it is running like a pig....
Can't believe it all happened at once, next job is to loosen the manifolds and put putty on both sides of existing gaskets and re-tighten.
With a bit of luck it should sort the running problem out as i think it is due to compression loss.
Fingers crossed.
It's quite feasible that it all happened at once if you have grounded out on a bump in the road, because the exhaust system is the first to cop it, then the shock is transmitted to any weak points. Don't ask me how I know this.Can't believe it all happened at once, next job is to loosen the manifolds and put putty on both sides of existing gaskets and re-tighten.
With a bit of luck it should sort the running problem out as i think it is due to compression loss.
Fingers crossed.
I don't think you'll have much success just shoving putty in beside the gaskets, I personally would fit new gaskets, preferably the composite type with the "flame ring", they seal much better.
Continued use of the car with the joints blowing could erode the cyl head at the exhaust port edges, then you'll have worse problems.
Start soaking those bolts with Plusgas & be careful not to shear them off in the cyl head.
Good luck,
Glen.
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