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Vacume pipe loose??

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charlietortoise

Member Since: 29 Oct 2011
Location: Staffordshire
Posts: 502

2010 Discovery 4 3.0 TDV6 HSE Auto Barolo Black

Vacume pipe loose??

Hi all, last night whilst looking to see how to change my air filter I found a small pipe that was disconnected.

Its some sort of vacume pipe type material/size, with a steel type mesh protection covering. It was routed away from the box and down between engine components till it went out of sight.

On inspection it should be connected to the air filter box below the big hose coupling towards the rear end of the box. It has been disconnected for some time for sure. The car was running fine anyway so it cannot be too important.

I have't a picture but just wondered if anyone recognises which hose it is and could tell me what it does.

Tha ks Discovery 4 3.0 HSE 2010 year. I like it a lot. Now with winch 😂

22nd Oct 2018 10:10 am

charlietortoise

Member Since: 29 Oct 2011
Location: Staffordshire
Posts: 502

This pipe

This is the hose I am refering to. Any ideas?

Discovery 4 3.0 HSE 2010 year. I like it a lot. Now with winch 😂

23rd Oct 2018 9:48 pm

eddyoz

Member Since: 01 Oct 2013
Location: Mandurah.WA
Posts: 66

2011 Discovery 4 3.0 SDV6 SE Tech Auto Fuji White

Runs across the motor to 'T'piece,the hose with the green mark.

25th Oct 2018 6:09 am

charlietortoise

Member Since: 29 Oct 2011
Location: Staffordshire
Posts: 502

Hose

I see, so it looks to be part of the emmissions sustem then. I couldnt see any oil or other staining on the end of the tube, And I cannot see that it draws much of a vacume in the airbox so my guess would be that it picks up clean air from the airbox and takes it somewhere.

That would explain why it hasnt seemed to have any impact for not being connected.

Thanks for the photos. Very helpful. Discovery 4 3.0 HSE 2010 year. I like it a lot. Now with winch 😂

25th Oct 2018 12:31 pm

RRBlue

Member Since: 26 Dec 2013
Location: Cambridge
Posts: 42

2015 Discovery 4 3.0 SDV6 HSE Lux Auto Stornoway Grey

I have just noticed a hole in this pipe where it has chaffed on the corner of the plastic engine cover. I have taped it up temporarily and put a cable tie on to keep it away from the engine cover. I have no reason to think it was causing a problem and not sure how long it has been like that.

14th Jun 2020 2:00 pm

Disco_Mikey

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

2005 Discovery 3 TDV6 HSE Auto Cairns Blue

Provides vacuum assistance alongside the vacuum pump

My D3 Build Thread

TDV8 Retrofit Build Thread

14th Jun 2020 2:01 pm

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