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Oil leak from throttle body - lack of power
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Rob.M
 


Member Since: 09 May 2016
Location: Warrington
Posts: 85

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Bonatti GreyDiscovery 3
Oil leak from throttle body - lack of power

Hi all,

A couple of months ago I had gearbox refurbished. Whilst at garage during testing new gearbox they noticed that disco seemed unresponsive and slow below 2000rpm. As soon as it hit 2000rpm or above it was fine. They eventually discovered a pipe was loose,from the throttle body. It's as if the pipe 'sucked it in place' over 2000rpm.

Now the car has started showing similar symptoms again. I've took the engine cover off and the pipe out of throttle body seems to be a bit lo0 pm at the bottom of the pipe. There is also a lot of oil around the underneath of it.

Is it possible the clip is knackered? Should the pipe sit flush against the throttle body or should there be a slight gap like mine?

I've attached some photos which help show it.

Thanks









  
Post #19107684th Feb 2018 10:21 pm
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Dave Shirley
 


Member Since: 22 Sep 2011
Location: Oxfordshire
Posts: 448

England 2007 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

That does not look like that is fitted correctly. Try lifting the clip and pushing the pipe in, I'll check mine tomorrow if you get no joy from trying that. The oil seeping from the bottom of that assembly would point to it not being fully home. It's quite normal to have a certain amount of oil in the inlet tract. Car is lacking power because boost pressure is escaping. Does it sound like air is escaping when driving the car. Small tip; put the oil filler cap back on before something drops in there while working on the top of the motor........Shocked
  
Post #19108065th Feb 2018 12:14 am
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Rob.M
 


Member Since: 09 May 2016
Location: Warrington
Posts: 85

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Bonatti GreyDiscovery 3

Tried to have a good fiddle with it and 'push' it back on, by the fan housing was in the way and it was really difficult to push the pipe on. I took the clip out and reseated it, but not sure if it made more a difference. It started getting dark and didn't fancy taking parts off engine in the dark.

Would it be worth taking the entire throttle body off and giving it a good clean with brake cleaner or something similar?

Good spot on filler cap! Wink
  
Post #19108465th Feb 2018 9:12 am
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 13853

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

hi

when i done mine i removed the complete throttle body and cleaned it all up inc the large O rings

then used some silicone clear grease for reassembly

did also fit the T bolt clamps on the silicone hoses

have enclosed some pics if there any use to u













   
Post #19108645th Feb 2018 9:55 am
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 13853

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

   
Post #19108715th Feb 2018 10:04 am
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10482

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

you probably need to loosen the 8mm long bolt holding that plastic box on.

Poke driver thru fan blades.

Then you might be able to re-seat it
  
Post #19109645th Feb 2018 1:13 pm
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geoff.
 


Member Since: 24 Jan 2010
Location: West kent
Posts: 8531

England 

new sealing ring required Thumbs Up
  
Post #19111155th Feb 2018 7:12 pm
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wizbongre
 


Member Since: 26 Oct 2013
Location: Liverpool
Posts: 691

United Kingdom 2016 Discovery 4 3.0 SDV6 HSE Lux Auto Fuji WhiteDiscovery 4

Don't suppose you have a part number for that Geoff?
 Cheers,

Gareth

'57 D3 2.7 TDV6 HSE gone and soon to be forgotten!
‘15 D4 3.0 SDV6 HSE Luxury
'64 Audi A6 3.0BiTDi Quattro S-Line Black Edition with lots of toys 
 
Post #19111185th Feb 2018 7:15 pm
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Rob.M
 


Member Since: 09 May 2016
Location: Warrington
Posts: 85

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Bonatti GreyDiscovery 3

Was just about to ask the same thing Smile

Will a new clip be required too? Is it worth taking entire unit out and giving good clean with something like brake cleaner, at the same time?
Thanks
  
Post #19111285th Feb 2018 7:26 pm
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geoff.
 


Member Since: 24 Jan 2010
Location: West kent
Posts: 8531

England 

yes take completely of and give it a good clean this is what your need Thumbs Up




https://www.advancedfactors.co.uk/lr008353...1730-p.asp x1


https://www.advancedfactors.co.uk/1316152-...1731-p.asp x2

Thumbs Up
  
Post #19111445th Feb 2018 7:38 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10482

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

are the 2 small ones for the EGR ?
  
Post #19111465th Feb 2018 7:41 pm
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geoff.
 


Member Since: 24 Jan 2010
Location: West kent
Posts: 8531

England 

part no 1316152 x 2 on the end of the y piece


  
Post #19111525th Feb 2018 7:45 pm
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Rob.M
 


Member Since: 09 May 2016
Location: Warrington
Posts: 85

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Bonatti GreyDiscovery 3

I take it it's worth doing the seals on the Y end of the body as well?
  
Post #19111615th Feb 2018 8:07 pm
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Rob.M
 


Member Since: 09 May 2016
Location: Warrington
Posts: 85

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Bonatti GreyDiscovery 3

Also, would carb cleaner or brake cleaner do the job to clean throttle body? Or would I need to use specific throttle body cleaner?

Thanks
  
Post #19113726th Feb 2018 10:33 am
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200TDi
 


Member Since: 30 Dec 2012
Location: Annan/Portsmouth
Posts: 282

United Kingdom 2007 Discovery 3 TDV6 XS Auto Java BlackDiscovery 3

brake cleaner should do the job, it'll be oil from turbo and carbon muck from the EGR's to clean out
 Pete

1965 S2a with Galv Marslands Chassis - Sold (BIG mistake)
1993 200TDi GS Green 5 Seat Manual - Broken
1993 200TDi GS Grey 7 Seat manual - Sold To Defender Owner to Use Engine
1999 TD5 GS Blenheim Silver 5 Seat Manual - Broken
1999 TD5 GS Oxford Blue 7 Seat Auto - Sold
1999 TD5 ES Epsom Green 6 Seat Auto - Sold
2007 D3 2.7 TDV6 XS Java Black 7 Seat Auto

1999 Swift Classic Coronette
2019 BMW X1 AWD Auto - SWMBO's Car

IID Tool BT 
 
Post #19113786th Feb 2018 10:51 am
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