 | Home > Maintenance & Modifications > Puma 2.4 Exhaust / Turbo Heat Shields Help |
 
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17434   
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It looks to me as though a previous owner has removed the catalytic converter and fitted a decat pipe instead. As far as I recall the two setscrews should fit into brackets on the cat.
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21st Apr 2024 3:32pm |
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| jcw Member Since: 11 Sep 2016 Location: Gloucestershire Posts: 168 
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Thanks Blackwolf - I did wonder if it’s a non-standard exhaust, also spotted this section half way along which isn’t shown on the standard exhaust parts diagram, looks like a cat to me but not in the standard location to support the lower heat shield?
I may try to knock up some suitable brackets rather than remove the shields 
 Click image to enlarge |
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21st Apr 2024 3:44pm |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17434
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Yes, that is non-standard, and you also don't seem to have the standard giant silencer alongside the transfer box.
Worth keeping the shields if you can, since they tend to camouflage the fact that you have a decatted (and hence technically illegal) vehicle. |
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21st Apr 2024 5:23pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20433
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I think you were right to fit the shields anyway, LR wouldn’t have included them if they didn’t serve their purpose in my opinion.
They only rattle if bent out of shape or loose, sometimes they get bent too close the other components and that is what causes a rattle due to insufficient clearance. $W33T $0U7H3RN $UG4R 🇬🇧🏴🏴🏴🇮🇪🇺🇸⛽️🛢️⚙️🧰💪 |
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21st Apr 2024 7:41pm |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17434
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They're probably not necessary on a decatted vehicle but certainly do no harm, and do tend to obfuscate the lack of cat. Catalytic converters do run extremely hot.
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21st Apr 2024 9:25pm |
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| jcw Member Since: 11 Sep 2016 Location: Gloucestershire Posts: 168
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I was thinking that without the standard cat, the lower shield isn’t performing any heat deflecting function, albeit does provide a rigid fixing for the more flexible upper shield which otherwise flaps around, assuming I can find a way of securing the lower section.
I also like Blackwolf’s point it suggests a standard catted exhaust! Ironically, it took an absolute age to find the lower shield, LR had no stock / on long term back order but a new one eventually popped up on eBay. I’m keen to identify the exhaust now, it looks off the shelf opposed custom made. I’ve not spotted any markings but will have a proper look at all the sections. |
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22nd Apr 2024 6:16am |
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| Zed Member Since: 07 Oct 2017 Location: In the woods Posts: 3310 
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The upper shield will sit fine without the lower attached and won’t rattle unless it’s been damaged. Otherwise as you said, a simple homemade bracket will do the job of fixing it in place. WARNING.
This post may contain sarcasm. |
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22nd Apr 2024 9:37am |
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| jcw Member Since: 11 Sep 2016 Location: Gloucestershire Posts: 168
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Thanks Zed, had a root about in my box of odds & sods and found a suitable bracket (a rear door hinge inner bracket as it happens) and with a quick bend in the vice at the right point, it’s fitted and secured one side of the lower shield, holding everything nicely away from any contact points, so no rattling.
I’ll look to make something up for the other side too but for now, it’s all good 👍 Click image to enlarge |
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22nd Apr 2024 10:03am |
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| Zed Member Since: 07 Oct 2017 Location: In the woods Posts: 3310
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Nice work. I guess for piece of mind/doing it right it would be good to fit the other bracket but I doubt you will have any issues just with the one fitted. WARNING.
This post may contain sarcasm. |
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22nd Apr 2024 10:42am |
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