| Should I be worried about the crank shaft issue? |
| Yes |
34%
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34% |
[26] |
| No |
53%
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53% |
[41] |
| Never ever buy a D4 |
9%
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9% |
[7] |
| Buy a RR L322 |
2%
|
2% |
[2] |
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| Total Votes: 76 |
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planchy
Member Since: 07 Mar 2022
Location: Munich
Posts: 2
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| New used Disco4 - Is the Crankshaft issue really that bad? |
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Hi all!
I am new here and on the verge of buying a disco 4 (120k miles + new timingbelt and fully serviced) with (limited) used car warranty.
I just read about the crank shaft issue and now i am a bit worried that this could happen to me as well. On the other side people in forums and especially people posting in forums do not reflect reality in most of the time and there must be thousands of working D4´s out there without any problems.
What would you say - is the possibilty that the crank shaft is breaking on a 120k miles disco really that high? If I would experience this motor failure I propably would no be able to afford a replacement motor immediately.Its just a fun car so it wouldnt be the end of the world but still extremely annaoyning and unfortunate.
I just love the D4´s and there are no cars out there that compare to this model unfortunately - but this you know already  Another option would be to buy a L322.... but who knows what will go wrong with this car.
Anyway Thank you for your help! 
Best
Z
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 7th Mar 2022 10:38 pm |
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LT
Member Since: 31 Dec 2005
Location: South West
Posts: 23822
  
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I still see an awful lot of D3/4’s on the road. 
Having said that, I am sure that anyone who owns either will have that concern to some degree or another. I did, but it was the mileage on my last D4 that was the primary concern for trading it in for a FFRR. 2006 D3 HSE (Original & still the best)-GONE
2010 D4 HSE (A bit bling)-GONE
2014 D4 HSE (Almost too bling)-GONE
2015 D4 HSE (A heated what?)-GONE
2016 D4 Landmark (Written Off)-GONE
2016 D4 Landmark (Surely the last!) PD1881 rims-GONE
2017 FFRR SDV8 Autobiography (now semi-retired)
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| 7th Mar 2022 11:21 pm |
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popsdosh
Member Since: 09 Nov 2009
Location: cambs
Posts: 442
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Any going at all is more than they should . You only have to look at recent threads on here to see its a regular occurence . If they got to 120k that would be a bonus it is happening at any stage but around 60-70k seems quite common. Having suffered with it and knowing the cause it shouldnt have been used for so long as I think JLR are now realising as the D5s are starting to suffer.
I was a person who thought the stories of the crank could not be that bad ,but got bitten by it.
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| 8th Mar 2022 7:02 am |
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popsdosh
Member Since: 09 Nov 2009
Location: cambs
Posts: 442
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LT wrote:I still see an awful lot of D3/4’s on the road.
How many of those D4s have had a new short block fitted ?
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| 8th Mar 2022 7:09 am |
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DG
Site Moderator
Member Since: 12 Dec 2005
Location: The Gaff
Posts: 50978
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Crank hysteria reigns  21 year LR veteran > D2 GS 2003 > D3 S 2006 > D3 HSE 2009 > D4 HSE 2013 > D4 HSE 2015 > D5 HSE 2018 > DS HSE R-Dynamic P300e 2021
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| 8th Mar 2022 8:25 am |
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Hardware
Member Since: 28 Jun 2016
Location: Hiding under the M60
Posts: 13016
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I'm surprised DG hasn't posted on this thread yet. FFS ... he typed quicker than me !
The numbers that fail are low in percentage terms compared with the numbers made/on the road.
The issue is that the bits to fix them do not seem to be available as they were for earlier JLR engines ... and it's actually a "Ford" engine and is in JLR/Ford/Peugeot/Citroen cars, so it's a bit odd the parts aren't available IMHO.
Some on here have overcome the apparent lack of parts (lots of fiddling about with Ford bearings ?) and there are Facebook pages dedicated to replacing the JLR lump with other engines ... but seemingly most popular routes are
1. short engine from JLR
2. find a Jag with suitable lump. .
Dean
====================================
2011 D4 XS - OBD port protection, RLD spare wheel protector, All LED interiors lights, Timed Climate enabled, iiD tool paired.
2011 D4 Landmark - Stolen from same dealer before I paid for it
2011 D4 GS - Stolen whilst at dealer  ... All LED interiors lights, DRLs, Spare Wheel protector.
1996 300Tdi - Eaten by tin worms
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| 8th Mar 2022 8:29 am |
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James W
Member Since: 27 Mar 2008
Location: Riyadh, KSA
Posts: 3079
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I mitigated the worry by of the crank going by having a warranty that (confirmed in writing) covered crankshaft failure, but changed at 10 years old anyway as the warranty was going to get exponentially expensive, plus other key components (gearbox, diffs, steering, bearings) etc. were also now joining the worry list.
It's a very complex vehicle. I keep my sister's 15+ year old Corsa on the road for less than £200 a year and there's pretty much nothing on it that I can't replace in a few hours, or a weekend day at most. You can't have a big, complex, capable 'luxury' off roader without the increased risk of costly repairs, and it's not just the crankshaft. D4 XS, gone, much loved, never forgotten
2018 FFRR SDV8 Autobiography - Gone to someone with less sense and more time to enjoy it
2016 Toyota Hilux Invincible - Liberating experience
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| 8th Mar 2022 9:08 am |
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nigethecat
Member Since: 11 Sep 2016
Location: Marnoch
Posts: 4244
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If the car ticks all your boxes and you are prepared to accept that a vital part on it may fail then buy one, enjoy the experience of owning and driving one and don't look back.
If you are going to spend your whole experience wondering if it may break at any time (as any car can) then look elsewhere... simples (not sure what else you would look at for the money or practicality though.. but that's been asked on here many times before) I want to see the sweets before I get into your windowless van... I'm not stupid!
Corris Grey D4 Commercial SE 2016
Zermatt Sliver 2007 D3 SE manual (gone)
Indus Silver D4 HSE 2015 (gone)
Bonatti Grey D3 HSE 2006 (gone)
White D3 S (LHD) 2007 (gone)
Firenze Red D4 HSE 2014 (gone)
Black RRS 3.6TDV8 2008 (gone)
Rusty Green Defender 110 1997 (gone)
Black FL2 HSE 2013 (gone)
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| 8th Mar 2022 9:52 am |
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Gary_P
Member Since: 03 May 2016
Location: Kent
Posts: 1656
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Its worth remembering that this is a forum (one of the best in my opinion). This is where many people come who experience crank failure, so the numbers you see on here are not representative of the overall failure rate. It is a risk. Don’t think anyone has ever managed to calculate numbers produced vs numbers that have failed. Gary
-------------------------------------------
Discovery 4 HSE 2016MY
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| 8th Mar 2022 11:13 am |
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Oxford-boy
Member Since: 07 Sep 2015
Location: Oxford
Posts: 1107
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You are buying a vehicle with 120k km/miles on the clock.
Buy with your eyes open and you'll give and get yourself the best possible vehicle.
Fully serviced and timing belt changed is a great start. By whom and when were the services would be my next look.
You could get it inspected, that would help point out any deficiencies but as far as I am aware there is nothing that will tell you if the crank or any other hidden part is going to let go.
As previous posters have said there's an awful lot of D3/D4s on the roads and forums do tend to attract the problems and fixes posts, that's why we are all here.
I've leased and now own a D4. I don't lie awake worrying, I don't think about it unless I read a post on here. I try and maintain and look after my D4 but most of all I drive it. Everywhere.. And I enjoy that.
I wish you a successful conclusion to your deliberations and hope you end up in a D4, it's a superb car, despite the pings, pops and sometimes (terminal) bangs you'll read of on here...
Jim
2014 Discovery 4 XXV SDV6 Causeway Grey
2016 Discovery 4 HSE Lux SDV6 Loire Blue - now gone
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| 8th Mar 2022 1:31 pm |
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James W
Member Since: 27 Mar 2008
Location: Riyadh, KSA
Posts: 3079
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JLR were inspecting "something" in Korea and China to identify affected engines but I'm not sure we ever worked out exactly "what" it was 
https://disco4.com/forum/post2065081.html#2065081 D4 XS, gone, much loved, never forgotten
2018 FFRR SDV8 Autobiography - Gone to someone with less sense and more time to enjoy it
2016 Toyota Hilux Invincible - Liberating experience
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| 8th Mar 2022 3:16 pm |
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nigethecat
Member Since: 11 Sep 2016
Location: Marnoch
Posts: 4244
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After my above post I spoke with someone else in the local town this morning... his 2015 D4 is in having a new engine fitted... 140k miles.... full service history... I want to see the sweets before I get into your windowless van... I'm not stupid!
Corris Grey D4 Commercial SE 2016
Zermatt Sliver 2007 D3 SE manual (gone)
Indus Silver D4 HSE 2015 (gone)
Bonatti Grey D3 HSE 2006 (gone)
White D3 S (LHD) 2007 (gone)
Firenze Red D4 HSE 2014 (gone)
Black RRS 3.6TDV8 2008 (gone)
Rusty Green Defender 110 1997 (gone)
Black FL2 HSE 2013 (gone)
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| 8th Mar 2022 4:16 pm |
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Froogle-Yorkshireman
Member Since: 28 Oct 2010
Location: Yorkshire
Posts: 302
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Is a short engine from JLR an issue?
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| 8th Mar 2022 4:54 pm |
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Froogle-Yorkshireman
Member Since: 28 Oct 2010
Location: Yorkshire
Posts: 302
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nigethecat wrote:After my above post I spoke with someone else in the local town this morning... his 2015 D4 is in having a new engine fitted... 140k miles.... full service history...
Did you happen to discuss the cost? Are JLR contributing?
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| 8th Mar 2022 4:55 pm |
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Hardware
Member Since: 28 Jun 2016
Location: Hiding under the M60
Posts: 13016
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Froogle-Yorkshireman wrote:Is a short engine from JLR an issue?
Only as a strain on the wallet.
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| 8th Mar 2022 6:38 pm |
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