Bute · Jul 21, 2018

Hi again I seem to have burst/split a metal pipe and wondering what the replacement would be.

It's the small stainless hose that gets blanked when fitting an egr delete. Recently fit said egr but unsure if the split happened pre or post fitting. I only noticed whilst looking for a solution to a terrible misfire/power loss issue that I had last night for the first time.

Picture below apologies in advance for the angle etc. I've wrapped it in foil & gorilla tape for the time being.

Nodge68 · Jul 21, 2018

Does you EGR delete have a "penny on a stick" support to fix the exhaust transfer pipe too? Some cheap n nasty EGR delete kits don't support the flexy pipe, which then cracks. It's a swine to replace, which is why these cheap kits are so crap. Also the EGR delete will now fail the MOT, if it's spotted.

Bute · Jul 21, 2018

Nodge68 said:
Does you EGR delete have a "penny on a stick" support to fix the exhaust transfer pipe too? Some cheap n nasty EGR delete kits don't support the flexy pipe, which then cracks. It's a swine to replace, which is why these cheap kits are so crap. Also the EGR delete will now fail the MOT, if it's spotted.

Ah you've nailed it right on the head there.
Mine hasn't got the support, just a tube & separate circular blanking disk.

On the plus side (maybe) the gorilla tape worked for 10 mins I had no misfire. Didn't last long. No smoke just missing.

Thanks though the unsupported egr is obvious now you mention with the pressure it must endure. Even more so when blanked/blocked.

Bute · Jul 21, 2018

And yeah in all honesty I didn't see any noticeable different post blank so I may just get a new/refurbished standard egr.

Appreciate the advice as always.

Skinny Mike · Jul 21, 2018

If the egr solenoid is still in place the pipe will still pump exhaust into the engine bay if not sealed. This shouldn't cause a misfire, but won't help as you would get a sudden drop in back pressure.

Some peeps notice a big difference with the delete, others not so much. Having a EGR fitted is no big deal, just remember to clean it and the manifold annually.

And yes, that pipe is a sod to replace.

Mike

Bute · Jul 21, 2018

Yeah i did notice what a nightmare it'll be to replace :/

The misfire seems very much like a coil pack issue I had on a Saab so I'll do the usual checks on those tomorrow.

Appreciate the input.

Bute · Jul 22, 2018

Ive put the default egr back on as if nothing else it supports the split metal pipe & holds it in place.

I'm going to do a temporary repair & as the part gets extremely hot (melted my foil & gorilla tape bodge up) & am wondering if I should use a tad of gun gum then wrap in aluminium tape/extra thick foil. The hotter it gets, the stronger it gets apparently.

Would such a thing suffice? I can't replace that yet looks like a pig to do as someone pointed out.

Nodge68 · Jul 22, 2018

Bute said:
ould such a thing suffice? I can't replace that yet looks like a pig to do as someone pointed out

It might work for a bit. The EGR transfer pipe does get really hot, although less so if you plug the vacuum pipe to the EGR valve.

Bute · Jul 22, 2018

Nodge68 said:
It might work for a bit. The EGR transfer pipe does get really hot, although less so if you plug the vacuum pipe to the EGR valve.

I initially thought it was an egr cooler pipe & blocking it caused the pressure to split the pipe as the egr kit i got came with the extra cooler blocking plates etc (apparently for my model)

Either way my own fault. More research before jumping on items until I know what's what.

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