 | Home > Puma (Tdci) > Odd join in the exhaust |
 
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| nick345345 Member Since: 05 Dec 2016 Location: Dunbar Posts: 71   
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Hi there, I've got a 2013 2.2 TDCI 110 USW. Got a new rattle yesterday which today I've tracked down to what seems to be a failed join in the front part of the exhaust. This is a picture, just ahead of the gearbox cross member (I think that's what it's called). It appears that a sleeve has been put over the exhaust and clamped either side of a join.
As far as I can tell from looking at the parts diagrams for a 110 exhaust there shouldn't be a join there. Is that right? Anyone else seen anything like this? And final question, any idea what parts I'd need to replace the join? Many thanks Nick  Click image to enlarge |
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16th Dec 2017 3:48pm |
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| zsd-puma Member Since: 09 Aug 2016 Location: Kent Posts: 2720  
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I don't think there is much 'seems' about that, it's definitely failed. 
Looks like someone has cut it to take the gearbox out (probably for a clutch replacement) and then shoved one of these over it to put it back together. https://www.eurocarparts.com/search/712110...gIQ7_D_BwE Probably easier just to get someone to weld it for you as it doesn't look like the repair sleeve lasted well. |
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16th Dec 2017 11:52pm |
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| ericvv Member Since: 02 Jun 2011 Location: Near the Jet d'Eau Posts: 5816  
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A bit off topic, but isn't the factory exhaust on the Pumas stainless steel, both on the 2.4 and the later 2.2?
Eric You never actually own a Defender. You merely look after it for the next generation. http://youtu.be/yVRlSsJwD0o https://youtu.be/vmPr3oTHndg https://www.youtube.com/watch?v=_GtzTT9Pdl0 https://www.youtube.com/watch?v=ABqKPz28e6A https://www.youtube.com/watch?v=rLZ49Jce_n0 https://www.youtube.com/watch?v=XvAsz_ilQYU https://www.youtube.com/watch?v=K8tMHiX9lSw https://m.youtube.com/watch?v=dxwjPuHIV7I https://vimeo.com/201482507 https://www.youtube.com/watch?v=ZSixqL0iyHw |
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17th Dec 2017 9:53am |
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| zsd-puma Member Since: 09 Aug 2016 Location: Kent Posts: 2720
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Even the stainless will go brown that close to the manifold. In this photo we can't actually see much of the exhuast just the rusty old clamp.
On the 2.2 the DPF wont fit past the chassis rail without moving the engine, so i reckon someone has chopped it so they can drop the gearbox out for a clutch change to save time. Not the way i would have done it mind you. |
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17th Dec 2017 10:23am |
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| ARC99 Member Since: 19 Feb 2013 Location: North Yorkshire Posts: 1831 
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I would have thought that there would be more than just a "rattle" with that size of gap. Don't make old people mad.
We don't like being old in the first place, so it doesn't take much to  us off.
Richard |
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17th Dec 2017 10:59am |
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| discomog Member Since: 09 May 2015 Location: Notts/Lincs Border Posts: 2531 
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The OEM exhaust on my 2015 Puma 2.2 is definitely not stainless, well certainly not austenitic as I've done a magnetic test on it. Doubt vey much that JLR would use ferritic stainless for its exhaust systems Defender 90XS SW
Mini Countryman Cooper S Morgan Plus 8 |
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17th Dec 2017 11:11am |
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| ginjez Member Since: 18 Sep 2011 Location: huddersfield Posts: 1763 
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Did you ever get to polish the tail pipe Alan?
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17th Dec 2017 2:51pm |
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| nick345345 Member Since: 05 Dec 2016 Location: Dunbar Posts: 71
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 indeed. The photo was after I'd been 'investigating'. Before that it was still just about attached, albeit on it's last legs. |
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17th Dec 2017 3:43pm |
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| zsd-puma Member Since: 09 Aug 2016 Location: Kent Posts: 2720
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They don't tend to rot that quickly, so i think it probably is one of the low grades of magnetic stainless. The Jaguar ones are much the same, magnetic but seem to last a decade. The old mild steel ones you'd be lucky if they didn't need at least welding up for the 3rd MOT. Take the little back box in the rear wheel arch, the battering they get from road debris they shouldn't last 5 min but they don't seem to rust very quickly. |
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17th Dec 2017 4:11pm |
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| UtilityTruck Member Since: 09 Jan 2014 Location: Oxford Posts: 463
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I think the tip of my 2014 110 exhaust is SS, the rest is definitely regular old steel.
There are very very few manufacturers that fit stainless exhausts from the factory. 2014 Keswick Utility 2.2 |
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17th Dec 2017 4:48pm |
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| discomog Member Since: 09 May 2015 Location: Notts/Lincs Border Posts: 2531
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Jeremy, yes I did polish the tailpipe, only used wire wool and autosol but came up quite well. Next time you suggest some work on my Defender, perhaps you'd like to actually do it for me
Defender 90XS SW
Mini Countryman Cooper S Morgan Plus 8 |
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17th Dec 2017 4:51pm |
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| ginjez Member Since: 18 Sep 2011 Location: huddersfield Posts: 1763
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I know I suffer from ocd when it comes to vehicle cleanliness but I couldn't work on yours - the simple reason being your ocd is worse than mine.
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17th Dec 2017 5:07pm |
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| zsd-puma Member Since: 09 Aug 2016 Location: Kent Posts: 2720
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It used to be rare, but it's pretty common these days. Citroen C5's for example had a complete non-magnetic stainless system from new back in 2004. L322's came with stainless from about 2007 i think. I think it's because adblue, eolys, etc (basically animal urine) has a tendency to hasten corrosion in mild steel so a lot of manufacturers switched to stainless to prevent the exhausts falling to bits in months. Hybrids also have stainless exhausts as they are more likely to suffer condensation collecting in them. I think most manufacturers have standardised to less corroding metals, even if it's only a very low grade stainless for all their cars in preparation for hybrid and future emissions systems. I suspect there is probably some sort of DOT or EU reg that says manufacturers have to take steps to ensure their vehicles remain compliant - ie, it's all very well a new car meeting emissions standards but failing 2 years later as the exhaust has rotted out. I'll admit though, highly polished and mandrel bent 316 stainless exhaust systems are pretty rare from the factory. And even rarer used near to the manifold (it gets more brittle and less corrosion resistant when heated). It also depends what you want to call stainless and mild steel though. You can have steel which doesn't have enough chrome in it to make it 'officially' stainless steel, but it's not really what you could call mild steel either. But if we're going to be that picky, then no 'stainless' steel is actually stainless. Steel is actually an alloy and like any alloy it can be made in different compositions. It's a bit like "Sterling Silver" can't officially be called just 'Silver' as it's only 92.5% pure. Or you buy cars with alloy wheels, when in fact all car wheels are made frome some sort of alloy. |
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17th Dec 2017 5:47pm |
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