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exhaust question; replacing back box
Topic Started: Fri Aug 28, 2009 8:58 pm (1,010 Views)
moorbarr
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hi,
my car has recently started to blow and gurgle and burp etc. at the back box. i had a look underneath to see about replacing it but it seems that the exhaust runs all the way through the middle box to the back box witout any joins etc. that could be undone to replace the back box only.
am i missing something or do i have to buy a complete new system in order to replace the back box or how does it work?

i have never tackled an exhaust before so kinda new to learning about what to do.

thanks
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big al merc
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the rear section is a seperate part to the rest unless someone has fitted something non original
it should have a join just in front of back box
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moorbarr
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ill have a look again but im pretty sure there is no join at the back box. if there is none, what are my options?
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big al merc
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well if there isn't one it's none original and you will need to take it to an exhaust shop/maker and get it made up
i think member philj can make one up for you
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Daniel
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it's an easy job to remove.

I'd whip it off and see if it can be repaired.

4 x 13mm bolts at the headers.....I use a 1/8th ratchet with long bars as it fits past the pipes and straight on to the bolts...easy.

then 2 x 13mm bolts under the gearbox, a tap on the bracket and it should separate, then drop it off the rubber hangars.

as it's in 1 piece it'll be heavy and awkward but no more than an hours work.
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stwat
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I don't know what engine your car has moobarr but the exhaust systems generally all look like this.

Posted Image

The back box section joins at the middle box, not directly behind the back box.
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big al merc
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nice one stwat i thought it was a bit further back on the car but then i haven't seen a standard exhaust for a long time on my car lmao lmao
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moorbarr
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cheers guys, ill have a look and see what the story is.
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Michael
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If I have missed what model you have , please excuse me. :) If it's a 2.5-16, I have a decent one that i can let you have. :ermm:
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moorbarr
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mines a 1.8 4cyl standard 190e. has anyone suggestions on wheres best to buy a replacement back box.i live in ireland!
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pwbadi
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I checked my exhaust last night and it is just one piece. ie. centre and back box are connected by one pipe. Now I am having to replace both boxes.
Checked the service history as well and it seems that the exhaust was replaced in 2001 by a MB dealer.
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UKmerctechi
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The original system the car came with is a one piece one.
The replaement backbox is a separate piece,the old box is cut of at the pipe behind the centre box and the new one clamped on over the end of the pipe.
All the 190's were like this when new,goes to show how good the original parts were,20yrs and only just failing.
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