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Three little....pipes
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supersiecosse
 


Member Since: 24 Aug 2020
Location: Dumfriesshire
Posts: 60

Scotland 2014 Discovery 4 3.0 SDV6 HSE Auto Corris GreyDiscovery 4
Three little....pipes

Hi.

Can anyone shed some light on the function of these three little pipes please.
They are tied together across the top of the throttle body and run from the back of the engine to the front.......from somewhere to somewhere else?
They appear to be Vacuum hoses of some description and in this case they have been damaged/deformed by the throttle body below them whilst having had the top engine cover above them.....ie Chafing and imprinted by the throttle body over time.
I discovered this whilst inspecting the harnesses and hoses during an Oil Change.

I have scoured the D4 pdf manual available for download on this site though it has no index and the text links do not work; so I have been trying to find the function of these three little pipes to no avail.

Any wise and helpful knowledge made available would be kindly appreciated.

Thumbs Up


  
Post #217445117th Sep 2020 9:42 pm
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 13573

United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

Hiya

Wonder if it’s part of the engine emission control hose , ref LR020186

https://www.brit-car.co.uk/product.php/161...over_sport

http://new.lrcat.com/#!/12728/49264/51303/4074/51507

Following part number includes vacuum control harness

LR027947

Hopefully that may help Thumbs Up
   
Post #217447118th Sep 2020 4:07 am
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Hardware
 


Member Since: 28 Jun 2016
Location: Hiding under the M60
Posts: 12676

United Kingdom 2011 Discovery 4 3.0 SDV6 XS Auto Sumatra BlackDiscovery 4

I asked what the tubes were for in this thread https://disco4.com/forum/post2174094.html#2174094

Have a look at my last picture in the thread, I found a clip that held the tubes in position had broken. Can't tell on my phone if same thing has happened to yours.
 .


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 Sad ... All LED interiors lights, DRLs, Spare Wheel protector.
1996 300Tdi - Eaten by tin worms 
 
Post #217447418th Sep 2020 5:36 am
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OvalAutos
 


Member Since: 28 Dec 2018
Location: Cradley Heath
Posts: 382

United Kingdom 

Vacuum control loom. Used to operate the EGRs, TSOV and exhaust bypass on secondary turbo.

So not something you want a leak on. Easy enough to change and comes as a complete loom with actuators and not too pricey from LR either!
 Joe  
Post #217452718th Sep 2020 11:20 am
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Hardware
 


Member Since: 28 Jun 2016
Location: Hiding under the M60
Posts: 12676

United Kingdom 2011 Discovery 4 3.0 SDV6 XS Auto Sumatra BlackDiscovery 4

Hardware wrote:
I found a clip that held the tubes in position had broken. Can't tell on my phone if same thing has happened to yours.


But on PC now and I'd say it has broken.

it doesn't just tie the bundle to the stud, it holds it away from it too. so if it's broken the whole lot can move side-to-side and backwards-forwards enough to rub on all sorts of edges.

I fashioned a replacement from p-clips and rubber sleeving to keep it in place without introducing somewhere else for it to rub against and left part of it in place as it was brittle and i didn't want it to break and damage the tube.
  
Post #217455218th Sep 2020 12:57 pm
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DSL
Keeper of the wheelie bin 


Member Since: 11 May 2006
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Ukraine 

I read the title as 3 little pies. Big Cry Big Cry Big Cry
   
Post #217455318th Sep 2020 1:00 pm
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ianm27
 


Member Since: 02 Jun 2016
Location: Hertfordshire
Posts: 2154

England 2012 Discovery 4 3.0 SDV6 GS Auto Orkney GreyDiscovery 4

You on a (diet) training regime again Del? Whistle Rolling with laughter
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Limo Tint
Blackvue front & rear dashcam
Cruise control switch pack
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Post #217459818th Sep 2020 4:13 pm
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DSL
Keeper of the wheelie bin 


Member Since: 11 May 2006
Location: Off again! :-)
Posts: 72740

Ukraine 

Sure am. Thumbs Up Since lockdown 2 1/4 stone down and out running every 3rd day. Mr. Green
   
Post #217459918th Sep 2020 4:25 pm
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RATA1
 


Member Since: 27 Feb 2020
Location: Somerset
Posts: 353

United Kingdom 2014 Discovery 4 3.0 SDV6 XXV LE Auto Causeway GreyDiscovery 4
Re: Three little....pipes

supersiecosse wrote:
ie Chafing and imprinted by the throttle body over time.
I discovered this whilst inspecting the harnesses and hoses during an Oil Change.



ditto. I wondered what they were too when I had the cover off doing the oil (and now know Thumbs Up ) and figued they would rub through as well so added some additional fabric tape to the "key" rub points already there. Might put some more on now I know what they are!

Whilst we are looking "in that area", anyone know what the part number for the rubber seal/collar on the engine cover that the oil filler neck goes through is? Mine is split(ing) and a bit has already come off. Only a matter of time before a bit falls off dropping into the open oil filler tube since you have to remove the filler cap before you take the "dusty/sandy/gritty" cover off. Obviously I would clean the area first an be careful, but I can hear the "oops" from the tech if it ever goes in for some work so best get it done before that Shocked . Good design that..
 In today's world, if you contribute something, you don't contribute enough. If you contribute nothing, you receive everything.



2014 Discovery XXV
1961 Series 2 
 
Post #217460618th Sep 2020 5:00 pm
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 13573

United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

Hi

This is all I could find I’m afraid, maybe someone else will know where to get them from

http://new.lrcat.com/#!/12728/49264/49265/3917/49698
   
Post #217462318th Sep 2020 7:09 pm
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 13573

United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

Did find this if there not available separately

https://www.ebay.co.uk/itm/RANGE-ROVER-L32...SwaU1fUKe0
   
Post #217462418th Sep 2020 7:24 pm
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supersiecosse
 


Member Since: 24 Aug 2020
Location: Dumfriesshire
Posts: 60

Scotland 2014 Discovery 4 3.0 SDV6 HSE Auto Corris GreyDiscovery 4

OvalAutos wrote:
Vacuum control loom. Used to operate the EGRs, TSOV and exhaust bypass on secondary turbo.

So not something you want a leak on. Easy enough to change and comes as a complete loom with actuators and not too pricey from LR either!


Many thanks for this info...... and indeed for the other replies offered. I shall be back to this when days off permit.
I am assuming at the moment they are still holding out as I have no DTC's logged surrounding the above hardware linked to these pipes. They are though very worn and damaged and I will have these fixed forthwith for peace of mind.

Many thanks again folks Thumbs Up
  
Post #217463618th Sep 2020 8:45 pm
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