 | Home > Puma (Tdci) > 2.4 knocking |
 
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 19531  
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Injectors possibly. (Injectors possibly if they do need changing they'll need an injector learn completed afterwards.) Diesels Lives Matter. ⛽️🛢️👨🔧🧰⚙️
And if You Love the Country, then we’re on the same side ~ I got’ love for Britain, I got’ British pride’. 🇬🇧 |
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16th Dec 2016 12:15am |
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| dgardel Member Since: 30 Nov 2008 Location: Veneto (Heart & Head) Posts: 3586 
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It's seem a hydraulic lifter..... Discovery 5 td6 HSE Stornoway Gray Outback Engineering Limited Edition
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16th Dec 2016 8:57am |
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| furianer Member Since: 06 Feb 2011 Location: Coomberdale Western Australia Posts: 27 
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It is more of a maschine guns, ratchet noise
I wouldn't expect this sort of noise from a lifter or injector, this ford finest has only done 20000km since it got rebuild new injectors and all But thanks for being with me on this one |
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16th Dec 2016 1:43pm |
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| ian series 1 Member Since: 17 Nov 2014 Location: south Posts: 3127 
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Have you had the rocker cover off?
Cam carriers can crack around the bolt holes, worth checking out the camshafts too. Ive had dealings with a transit with similar symptoms. 80" 80" 86" 88" 90" Wanted, Forward Control Anything considered. |
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16th Dec 2016 2:15pm |
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| furianer Member Since: 06 Feb 2011 Location: Coomberdale Western Australia Posts: 27
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car is going back to the company who did the rebuild
so it is wait and see ill keep you posted merry x-mas Richard |
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16th Dec 2016 3:02pm |
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| ROBBONTHEROCK Member Since: 23 Jun 2014 Location: Aberdeenshire Posts: 637  
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Piston slap?
Worn bores due to the piston control jets not working properly? I note the engine is cold, so slap would be loud until it heats up, does the noise disappear when up to temp? I believe there is a technical bulletin on that, I believe some early 2.4 TDCi's are susceptible to it and there is a serial number to check for. Cheers Andy |
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16th Dec 2016 4:20pm |
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| dgardel Member Since: 30 Nov 2008 Location: Veneto (Heart & Head) Posts: 3586
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or earlier defender oil jet problem.....
In this case.... You need a new engine..... SSM38792 https://1drv.ms/b/s!AnHBx4Wc2MJLhGAuoBGrEX65J4KG I hope for you I'm wrong Discovery 5 td6 HSE Stornoway Gray Outback Engineering Limited Edition
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18th Dec 2016 9:41am |
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| stobbie Member Since: 04 Dec 2015 Location: zenderen Posts: 17  
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Any news on this one?
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7th Feb 2017 9:13pm |
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| grafty99 Member Since: 15 Aug 2012 Location: North Devon Posts: 4784 
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Knocking noise can come from a loose injector. Been a couple of reports of this on the angry pumas Facebook page..... 2002 90 Td5 Station Wagon
1990 Vogue SE Triumph Tiger Explorer 1200 Td5 90 Thread http://www.defender2.net/forum/topic50767.html Tdi 110 Thread https://www.defender2.net/forum/topic69562.html RRC Thread http://www.defender2.net/forum/topic54492.html Instagram http://www.instagram.com/george_grafton |
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8th Feb 2017 12:12am |
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| agentmulder Member Since: 16 Apr 2016 Location: Outer Space Posts: 1324 
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I was going to say it sounded just like mine when it had the same issue - thing is, I couldn't see any up and down movement in the video ...
Did they simply replace the torque to yield bolt? Or do seals and check the seats etc. ? (injectors are clamped in pairs) Solved the bowel problem, working on the consonants... |
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10th Feb 2017 10:37am |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 16857 
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If an injector is loose, the seal should be renewed as part of the repair. Since the Puma has one clamp per pair, both seals should be renewed since it is unlikely that one injector only is loose.
If the injector is loose it is likely that the seal will be damaged either by the action of the injector bouncing up and down on it, or by erosion from expelled compressed gas and combustion byproducts on the compression and power strokes. Whilst you might get away for a temporary repair without replacing the seal, it would be an interim measure. |
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10th Feb 2017 11:05am |
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