Hi,
I was just wondering if there is a link between low sulphar diesel and the longevity my BX diesel`s exhaust. I have usually had to replace some part of the exhaust every two to three years put i am on my fourth year
exhaust
Moderator: RichardW
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In my experience original diesel BX exhaust systems were particularly long lasting, unlike my Xantia 2.1TD which needed a new rear box at two and a half years old. My BX TZD came new in 1991 and it wasn't until 1999 and 95K miles that I needed to replace the rear box. The car's new owner, as far as I know is still running the vehicle on its original front system.
Could be, we have ultra low sulpher diesel over here in Sweden (well the government's got to show off with something in order to justify the hugh taxes) and the exhaust of my XM TD12 has been extreemly long lasting:
The original rear box went after 3 years, the replacement is still at it after a further 6 (!) and 460 000 km. The intermediate (lateral) box went after 5 years and I just piped it out - leaving loads of space for attending to the rear high corrector etc. and no noticable increase in noise (it's replaced with a section of stainless 2 1/2" pipe from the front box to the rear, incorporating 2x90 degree bends and 2x30 degree bends). The front box, immediately afer the catalyser, is still the original (as is the cat)!
This is something of a record for me, I've never known an exhaust system to last so long.
//NiSk
The original rear box went after 3 years, the replacement is still at it after a further 6 (!) and 460 000 km. The intermediate (lateral) box went after 5 years and I just piped it out - leaving loads of space for attending to the rear high corrector etc. and no noticable increase in noise (it's replaced with a section of stainless 2 1/2" pipe from the front box to the rear, incorporating 2x90 degree bends and 2x30 degree bends). The front box, immediately afer the catalyser, is still the original (as is the cat)!
This is something of a record for me, I've never known an exhaust system to last so long.
//NiSk
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For reasons I have yet to fathom out, diesel exhausts generally last much longer than petrol exhausts - I wonder if it related to why diesels also don't steam as much on cold mornings? Manufacturers may have now down rated diesel exhausts so they rot out more quickly!
My sister had to have a new exhaust on her 87 BX this summer - but then it was the factory original, so that's not too bad (it's only done 50k miles though!). The exhaust on my BX TD was not new when I got it, but I never had to change any of it over 4 years /70k miles.
Just another advantge of owning a diesel!
Richard
My sister had to have a new exhaust on her 87 BX this summer - but then it was the factory original, so that's not too bad (it's only done 50k miles though!). The exhaust on my BX TD was not new when I got it, but I never had to change any of it over 4 years /70k miles.
Just another advantge of owning a diesel!
Richard
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