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Gonna replace master brake cylinder and Servo -any pointers?
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Fleagle_UK
 


Member Since: 10 Jul 2009
Location: England
Posts: 86

England 2005 Discovery 3 TDV6 HSE Auto Zermatt SilverDiscovery 3

If you're happy with your brakes performance and are absolutely sure there are no signs or traces of oil in the existing pipe and servo then for the sake of £20(ish) for the new pipe set up, then I would say go for it...peace of mind that way.

Neil.
  
Post #6441513rd May 2010 10:33 am
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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

Brakes gradually get worse and you may not notice untill you relise how much better they are after the mod.
There is a connector in front of the servo; open ot and tap the line onto your hand, if there is oil in it try to get dealer to put the recall mod on.
If they won't speak to VOSA. Idea
 â€œThere are only three sports: bullfighting, motor racing, and mountaineering; all the rest are merely games”
Ernest Hemmingway
D4 3.0 Active Diff, Adaptive Lights, High Beam Assist, Surround Cameras, Privacy Glass.
D3 2.7:Adaptive Headlights,Electronic Rear Diff,ARB Bar,Blaupunkt Speakers,JVC Powered Subwoofer,Removable Snorkel,Mitch Hitch,Pioneer After Market Head Unit,Steering Wheel Control Adaptor,Remote Adjustable Supension Rod System, Taxside Dual Battery System. 
 
Post #6441773rd May 2010 12:11 pm
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ronald.soak
 


Member Since: 29 Apr 2008
Location: London
Posts: 516

England 2005 Discovery 3 TDV6 S Manual Chawton WhiteDiscovery 3

Isn't this connector actually a one way valve, the engine side of which can be expected to show the presence of oil?

My understanding is that the whole purpose of the one way valve is to stop oil reaching the servo and that the best place to check, if not the easiest, is at the connection to the servo.

The above refers to vehicles in the VIN range before the recall.
  
Post #65102519th May 2010 8:44 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

There is no valve at the connector, the valve is in front of the servo.
One way valve should prevent anything moving up the pipe. If oil has got to the connector then there is a problem and will eventually get into the servo.. Oil in the pipe results in lower vacuum boost. If it gets into the servo itself then complete loss of boost pressure can occure.
 â€œThere are only three sports: bullfighting, motor racing, and mountaineering; all the rest are merely games”
Ernest Hemmingway
D4 3.0 Active Diff, Adaptive Lights, High Beam Assist, Surround Cameras, Privacy Glass.
D3 2.7:Adaptive Headlights,Electronic Rear Diff,ARB Bar,Blaupunkt Speakers,JVC Powered Subwoofer,Removable Snorkel,Mitch Hitch,Pioneer After Market Head Unit,Steering Wheel Control Adaptor,Remote Adjustable Supension Rod System, Taxside Dual Battery System. 
 
Post #65114920th May 2010 5:51 am
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