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Checking vacuum pump for oil ingress
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Wex
 


Member Since: 16 Apr 2007
Location: Knackeragua
Posts: 5173

Ireland 2006 Discovery 3 TDV6 S Manual Bonatti GreyDiscovery 3

Oh how I set myself up for that one Thud

Laughing Thumbs Up


Seriously though



































Does oil really come from dead plants and animals Confused
  
Post #4629375th May 2009 4:22 pm
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Tawny Owl
 


Member Since: 22 Oct 2008
Location: Here and there
Posts: 1645

England 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

NoDo$h wrote:
Well, millions of years ago, lots of plants and animals died. Over the years they decomposed and layers of.....drone waffle warble ......... and then they found a load of it under the middle east and mid-west America. Thumbs Up


Rolling with laughter Rolling with laughter

Discowex , oil leaks from the seal in the vac pump Thumbs Up
  
Post #4629385th May 2009 4:22 pm
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MacLeod 313
 


Member Since: 18 Apr 2008
Location: away
Posts: 10723

Scotland 2006 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

Yep, Vac Pump oil seal fails, and although could in theory be replaced, the oil itself contaminates the vac pump, and servo, and brake fluid. All needs replacing Big Cry Big Cry Big Cry
  
Post #4629585th May 2009 5:41 pm
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Willy Eckerslike
 


Member Since: 12 Jan 2009
Location: N Yorks
Posts: 1612

England 2012 Discovery 4 3.0 SDV6 Commercial XS Auto Firenze RedDiscovery 4

Yip as an oilfiled type I can confirm NoDo$h is correct...........................

Only the other day we drilled through an old Olive grove, that obviously at some time millions of years ago had some herbs growing in among the trees. Drilled into it and Hey Pesto ...................................struck oil.
 Club Pie n Pea
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Post #4629865th May 2009 6:51 pm
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stapldm
 


Member Since: 11 Sep 2006
Location: Swine Town
Posts: 2330

United Kingdom 2007 Discovery 3 TDV6 HSE Auto Stornoway GreyDiscovery 3

Have just checked mine. Oily - thanks for the heads-up!

Would this contamination explain my "brake pedal slowly travels to the floor" issue that randomly happens?
I wonder if this is a common fault that many don't realise they have as it's so invisible. My own brake performance has deteriorated slowly since I've had the car, but it was gradual enough for me to think it was all in my mind.
Perhaps a forum front page warning like the old "Check your tailgate struts" is in order?

My ever enquiring mind has a question (sorry!).
The vacuum pump draws air from the servo right? And the servo uses that vacuum to assist the braking force, with the vacuum being diluted by atmospheric pressure air when the pedal is released, right? So if the air 'flow' is always from the servo to the pump, how does the oil make it's way in the opposite direction? If it was clean oil I could imagine that the combination of vacuum and heat causes some of the lighter fractions of oil to evaporate/condense in the pipes over time, but in my case it's carbon laden. Does it really just make it's way up the pipe by capillary action?
 Dr. Ian Malcolm:
"Yeah, but your scientists were so preoccupied with whether or not they could, they didn't stop to think if they should."
Transgenic tomato anyone? 
 
Post #4632776th May 2009 10:45 am
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NoDo$h
 


Member Since: 02 May 2006
Location: Finding new and exciting ways to milk badgers.
Posts: 19689

Ukraine 

One for TFC or Steve Norman to explain perhaps? Like the idea of making this warning/check a sticky Thumbs Up
 I know it's not considered "kind" to say no these days, but no. Just no, ok? And if it's not ok, still no.  
Post #4632806th May 2009 10:51 am
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PaulP
 


Member Since: 04 May 2007
Location: Barcelona
Posts: 4317

Spain 2006 Discovery 3 TDV6 SE Auto Buckingham BlueDiscovery 3

A bit of info here on wikipedia:

http://en.wikipedia.org/wiki/Hydraulic_brake#Component_specifics

http://en.wikipedia.org/wiki/Vacuum_servo
 2006 Discovery 3 TDV6 SE Auto Buckingham Blue
2007 Golf GT DSG 
 
Post #4632836th May 2009 10:58 am
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bkehoe
 


Member Since: 25 Feb 2006
Location: Wexford
Posts: 1481

Ireland 2005 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

Just checked mine and Censored , oil in it. So whats the cost on the parts - and is it really 5hrs labour??
 IE - 05 D3 TDV6 HSE - Zambezi Silver
SA - 07 VW Golf TDI - White - Sold! 
 
Post #4634656th May 2009 5:04 pm
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MacLeod 313
 


Member Since: 18 Apr 2008
Location: away
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Scotland 2006 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

bkehoe wrote:
Just checked mine and Censored , oil in it. So whats the cost on the parts - and is it really 5hrs labour??


Thats a quote TFC gave me, 5hrs for a dealership Big Cry .

When Iain did my service, I asked him to take particular attention to the pads, as I have complained bout the stopping power, and so did the MOT station. Its ok on carriageways, motorways etc, but in town the pedal seems spongey, and goes quite down before you get braking. With that info he did'nt bother with checking pads and just whipped off the pipe and said thats the problem.

He knows his stuff, and my dealers had NO avenue to back up Whistle
  
Post #4635106th May 2009 7:04 pm
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SJR
 


Member Since: 09 Aug 2006
Location: East Manchester
Posts: 4030

England 2006 Discovery 3 TDV6 SE Auto Arctic FrostDiscovery 3

I wonder if TFC does this, and what his price might be, and if mine has gone (got same spongy brake symptoms Big Cry ) does anyone know if Tesco Finest Warranty will cover it Thumbs Up
 I believe that every human has a finite number of heart-beats. I don't intend to waste any of mine running around doing exercises.
Buzz Aldrin (1930 - 
 
Post #4635126th May 2009 7:07 pm
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MacLeod 313
 


Member Since: 18 Apr 2008
Location: away
Posts: 10723

Scotland 2006 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

Well I would'nt know on both counts there, I am sure TFC could do it, but would he Question , and as for Tesco warrenty, keep us posted on that cos I am going onto that as of the 19th when my LR warrenty runs out. Mine was just in time to fail Whistle

It is a big involved job though, Vac Pac is on the rear of the engine, and servo needs to come out, and brake fluid replaced.
  
Post #4635156th May 2009 7:11 pm
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countrywide
 


Member Since: 16 Sep 2007
Location: UK
Posts: 6019

United Kingdom 2016 Discovery 4 3.0 SDV6 Graphite LE Auto Unknown ColourDiscovery 4

SJR wrote:
does anyone know if Tesco Finest Warranty will cover it Thumbs Up


It's on the list of items covered and I had no problem with Tesco. Thumbs Up
  
Post #4635216th May 2009 7:15 pm
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SJR
 


Member Since: 09 Aug 2006
Location: East Manchester
Posts: 4030

England 2006 Discovery 3 TDV6 SE Auto Arctic FrostDiscovery 3

Bow down Bow down

Excellent news Very Happy
 I believe that every human has a finite number of heart-beats. I don't intend to waste any of mine running around doing exercises.
Buzz Aldrin (1930 - 
 
Post #4635226th May 2009 7:16 pm
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philthejono
 


Member Since: 01 Aug 2007
Location: Rugby
Posts: 85

United Kingdom 2011 Discovery 4 3.0 SDV6 HSE Auto Santorini BlackDiscovery 4

When my brakes first failed in March, I looked around and could not find very much info on this. Had the servo replaced under warranty. car back in again this week to have the servo replaced with an "upgraded part" that has now become available and the master cylinder replaced as well this time.

As previous replies, this one sneaks up on you. I had the fortune of not having anyone in front of me at the traffic lights when I pressed hard on the pedal to stop as they changed in front of me, and found my foot hard to the floor and still doing 20MPH (frrom 60) as I sailed through onto the roundabout.

Now, lots of other people seem to be having the same proble, perhaps it's a case of the Swine leaving their virus behind in the mud and it being picked up in the brakes of the cars as they go offroad? H1N1 becomes H1D3?
 11 HSE Santorini Black  
Post #4638187th May 2009 12:53 pm
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caverD3
 


Member Since: 03 Jul 2006
Location: Oberon, NSW
Posts: 6922

Australia 2012 Discovery 4 3.0 SDV6 SE Auto Fuji WhiteDiscovery 4

I think this should be a re-call by LR. Safety issue. If out of warranty I would try to get LR to pay for it. Idea
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D4 3.0 Active Diff, Adaptive Lights, High Beam Assist, Surround Cameras, Privacy Glass.
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Post #4639627th May 2009 6:52 pm
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