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DISCO3.CO.UK > Technical (D3)

Brake Vacuum Pump
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Lr3life
 


Member Since: 08 Apr 2022
Location: Northampton
Posts: 14

United Kingdom 2006 Discovery 3 TDV6 S Manual Unknown ColourDiscovery 3
Brake Vacuum Pump

I’m doing my cam chain and lifters on my discovery 3 and I’ve removed the vacuum pump. I can pour oil out of the pump and there is oil in the pipe to the brake booster. I know there was a recall but will a new vacuum pump sort this out? I don’t want to be spending £500 on the new one, but I assume a seal has gone inside the pump and is allowing oil to pass through to the booster.  
Post #234052327th Jun 2023 9:31 am
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PROFSR G
 


Member Since: 06 Mar 2017
Location: Lost
Posts: 4856

Ukraine 2009 Discovery 3 TDV6 Commercial XS Auto Stornoway GreyDiscovery 3

Was the pipework recall/upgrade done? If not it will need to be done or you'll be back in there pretty soon, new pump or not! yµ (idµ - eAµ) ψ=mψ

  
Post #234056127th Jun 2023 1:26 pm
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Lr3life
 


Member Since: 08 Apr 2022
Location: Northampton
Posts: 14

United Kingdom 2006 Discovery 3 TDV6 S Manual Unknown ColourDiscovery 3

Yes, the pipe work/recall has been done already. The vacuum pump is passing oil through the pipe. Hopefully the new one stops this happening. I’ll have to take the booster off and see how much oil comes out. I’m just wondering if I actually need a new vacuum pump or is it normal for them to pass oil to the booster. Even with the upgraded pipe.  
Post #234056627th Jun 2023 2:21 pm
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PROFSR G
 


Member Since: 06 Mar 2017
Location: Lost
Posts: 4856

Ukraine 2009 Discovery 3 TDV6 Commercial XS Auto Stornoway GreyDiscovery 3

If it's passing oil into the booster after the upgrade was done it's likely the pump is shot. You should be able to suck out the oil from the booster without removing it.

Just to be clear, if you have a single pipe from the pump to the booster the modification has not been done. yµ (idµ - eAµ) ψ=mψ

  
Post #234056727th Jun 2023 2:33 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

part of the mod is to change a spring on one of the vac pump outlets.  
Post #234058327th Jun 2023 7:19 pm
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