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Crank bolt loose
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Sean007
 


Member Since: 23 Dec 2019
Location: Lincolnshire
Posts: 28

Crank bolt loose

Wondered if anyone had heard of the crank bolt coming loose? Under what circumstances would you expect that to happen?

I had thought that there is a possibility that the crank snapped and the force of the sudden stop caused it to come undone except for the fact the engine turns clockwise (I think) so I then thought maybe someone can’t read or torque the bolt up to spec (seems more likely) either way it’s knackered the cams and cam caps,snapped the chains and broken one tensioner, going to take the heads of hopefully with the engine in but I think it will be easier if i take it out! .


Anyone seen this before?

Many thanks
Sean
  
Post #212203418th Feb 2020 8:43 pm
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Disco_Mikey
 


Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20727

Scotland 2005 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

Seen it once, on a "new" engine. Hadn't been torqued to spec, lasted 300 miles before it imploded
 My D3 Build Thread

TDV8 Retrofit Build Thread 
 
Post #212204218th Feb 2020 9:16 pm
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Sean007
 


Member Since: 23 Dec 2019
Location: Lincolnshire
Posts: 28


That would take some explaining Laughing

I just hope the crank is okay on mine although I do have a spare but I needs a regrind, but I’m not overly keen on that what are your experiences with crank regrinds on these disco_mikey?

iv got some “good” complete heads luckily so fingers crossed it’s not put any gouges in the pistons but I fear it will have..

To be honest the truck looks like it’s had some real cowboys looking after it, the wiring loom is a mess wires spliced in, pretty much all the protective conduit is gone and it’s just cabletied together.. So a second hand loom will be on the list of parts too! [/quote]
  
Post #212206018th Feb 2020 10:05 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10360

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

Conduit does fall off wiring.
A secondhand loom will be no better
ESP when removed, posted and refitted
  
Post #212211219th Feb 2020 5:46 am
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lynalldiscovery
 


Member Since: 22 Dec 2009
Location: Maidstone
Posts: 7274

United Kingdom 2006 Discovery 3 TDV6 Metropolis LE Auto Bonatti GreyDiscovery 3

Sean007 wrote:
That would take some explaining Laughing

I just hope the crank is okay on mine although I do have a spare but I needs a regrind, but I’m not overly keen on that what are your experiences with crank regrinds on these disco_mikey?

iv got some “good” complete heads luckily so fingers crossed it’s not put any gouges in the pistons but I fear it will have..

To be honest the truck looks like it’s had some real cowboys looking after it, the wiring loom is a mess wires spliced in, pretty much all the protective conduit is gone and it’s just cabletied together.. So a second hand loom will be on the list of parts too!
[/quote]

If you mean the engine loom, that is std fare!
  
Post #212211919th Feb 2020 8:24 am
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Sean007
 


Member Since: 23 Dec 2019
Location: Lincolnshire
Posts: 28


I know it does, the heat makes it brittle then it falls off if you just look at it Laughing

I should have added it’s had wires spliced in all over the place mainly on the injection loom which I don’t like, perhaps I’m being a little ocd about it but for £35 it can be made a bit better looking under the bonnet

I may add some photos of the damage parts when I strip in all down properly,
  
Post #212212319th Feb 2020 8:37 am
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lynalldiscovery
 


Member Since: 22 Dec 2009
Location: Maidstone
Posts: 7274

United Kingdom 2006 Discovery 3 TDV6 Metropolis LE Auto Bonatti GreyDiscovery 3

I did try and find some heatproof split conduit, but gave it up as a bad job!
Pics always good for future ref purposes Thumbs Up
  
Post #212223919th Feb 2020 4:12 pm
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