 | Home > Maintenance & Modifications > 2.4 Tdci. Heavy rattle/shudder when turning engine off. |
 
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| Grenadier Member Since: 23 Jul 2014 Location: The foot of Mont Blanc... Posts: 5765   
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As per the subject, I have a heavy rattle (as in the whole engine, rather than a part) when I turn the engine off. 2.4 Tdci with 80k on the clock. The car shudders, before settling and the egr cleaning schedule starts. Apart from a slightly erratic idle when cold, (as described by other members, the revs surge very slightly, but could be the VCV needs changing), it runs and pulls ‘normally’.
Any thoughts? Wondering if there’s a timing issue in the valves and don’t want some kind of catastrophic failure..... Monsieur Le Grenadier I've not been everywhere, but it's on my list..... 2011 Puma 110DC - Corris Grey |
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22nd Nov 2020 9:45am |
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| Dinnu Member Since: 24 Dec 2019 Location: Lija Posts: 3213  
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I am relatively new to my Defender tdci, but while doing some work in family Ford Fiesta tdci, noticed an air control valve on the intake, just like a petrol engine has a throttle body. This closes as soon as the engine is being switched off, causing the cylinders to ‘vacuum’ and hence loosing compression. This in turn lets the engine to slow down smootly. I do not know if the Defender tdci has it as well. For my 2.2 have only taken out the hose between the air cleaner and the turbo intake, and did not notice any air control yet. 1988 90 Hard Top, 19J Diesel Turbo, Shire Blue - Restoration ongoing
2012 90 CSW, 2.2TDCI, Santorini Black |
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22nd Nov 2020 11:47am |
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| shropshiredefender Member Since: 05 Jun 2017 Location: Shropshire Posts: 832  
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My timing chain jumped a tooth at C100k miles with catastrophic results, no rattling beforehand as it has plastic guides that stayed intact. I intend to have the timing chain changed as preventative maintenance on the new engine @ around 90k miles. Sounds like you need to have this looked at (sooner rather than later) to properly diagnose the problem. I hope that it's something simple - good luck  Just because you're offended doesn't mean you're right. |
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22nd Nov 2020 1:57pm |
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| Jerry Member Since: 13 Nov 2015 Location: Cardiff Posts: 174 
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Grenadier-
My MY2015 2.2 with very low mileage does this occasionally (& has done so from new) and also has occasional lumpy idle only when cold for a few seconds or so. Otherwise runs great. I did get the VCV changed and it made no difference. I use premium fuel so not sure if it’s related to that (but I used to do a lot of short journeys). My independent wasn’t worried and said “what do you expect...it’s not a Mercedes.”. I presumed that it coincided with something else going on like being in the middle of a regeneration cycle etc Not sure if that’s similar to your description- Does your engine do that every time you stop or occasionally ....has it occurred recently or always been there and/or increased in frequency?? Jerry |
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22nd Nov 2020 5:52pm |
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| Co1 Member Since: 19 Aug 2018 Location: North Yorkshire Posts: 3618  
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Mine does that too Jerry, maybe once every couple of months.
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22nd Nov 2020 7:07pm |
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| Matt110 Member Since: 29 Jun 2014 Location: UK Posts: 673
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I love it when people say that..... they're right. It's not a mercedes. But it is a Transit!! And Transits don't do it, so why should a defender!  |
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22nd Nov 2020 11:02pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 19606
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Not all that likely but check the engine mounts and gearbox / transfer box mounts.
I used to get a similar feeling at one time, this was before I had the transfer box mounts changed and I changed the VCV. Not sure if that’s linked between those two. But excess free play in those transmission mounts is obviously shunted to the engine as they are all big lumps. If nothing else, they are worth checking but are not always easy to determine. The VCV can cause all sorts of bizarre issues, the only telling sign that it’s that is erratic idle in usually blow 5.C temps when starting from cold. Improves when warmer, then over time begins to get worse. On mine meant she would cut up when cold too. Since I changed it for a new one. (With no programming) it’s been running by like a dream in every way. Starting is better, cold idle is better, no cutting out at all. All power and especially top end in high her gears is back. Actually goes like stink now, running really nicely. I had the mounts changed about 68k for me (due to weight and safety factors I had those fitted for me). The VCV I replaced at around 72k, I imagine it was original. These might not be it but some ideas at least. Other than that all I can think of is worn imbalanced clutch and or flywheel. If nothing else, the info maybe useful to you. Diesel$ Live$ Matter. ⛽️🛢️👨🔧🧰⚙️ RED, WHITE & BOOST! 🇬🇧 |
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23rd Nov 2020 12:12am |
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| LR90XS2011 Member Since: 05 Apr 2011 Location: bickenhill Posts: 3615 
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are you sure it not just the clutch rattling, try switching it off in gear with the clutch pressed, if the rattle goes away its just the clutch plate to change DEFENDER 90 TDCI XS,
I hope everyone is well and your land rovers make you happy |
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23rd Nov 2020 9:17am |
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| Zed Member Since: 07 Oct 2017 Location: In the woods Posts: 3025 
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/\/\/\ My first thought too. WARNING.
This post may contain sarcasm. |
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23rd Nov 2020 10:13pm |
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