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Oily substance coming from exhaust?
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Antman
 


Member Since: 18 Dec 2008
Location: East London
Posts: 14

South Africa 2007 Discovery 3 TDV6 S Auto Java BlackDiscovery 3
Oily substance coming from exhaust?

Very strange situation on my new D3 that the dealer can not explain. There is a small amount of dark oil like substance dripping from my right rear exhaust silencer box very near the outlet of the exhaust system. If it does not actually drip on the floor and the car stands, the substance dries and goes very hard. No problem on the left exhaust. The drip is intermittent - not always there.
Any suggestions or ideas would be appreciated.

Thanks  
Post #38995118th Dec 2008 9:56 pm
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DiscoDunc
 


Member Since: 08 May 2006
Location: Bristol
Posts: 16390

England 2010 Discovery 4 3.0 SDV6 HSE Auto Aintree GreenDiscovery 4

As both exhaust tail pipe come from a common pipe from the engine manifolds I would say its something in the silencer. Maybe a dead rat Laughing

perhaps it just needs a good blast.

could it be excessive sealant (I'm not sure if sealant is used to joine the pipes) Duncan
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Post #38995918th Dec 2008 10:12 pm
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philhunt
 


Member Since: 16 Sep 2007
Location: MI5 not 9 to 5
Posts: 1761

United Kingdom 2005 Discovery 3 TDV6 SE Manual Zambezi SilverDiscovery 3

So, this oily substance appears to be dripping from the box not the exhaust pipe itself and if it doesn't drip to the floor it sets hard on the box. Correct?  
Post #38998218th Dec 2008 11:09 pm
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Antman
 


Member Since: 18 Dec 2008
Location: East London
Posts: 14

South Africa 2007 Discovery 3 TDV6 S Auto Java BlackDiscovery 3

Sometimes both situations are true - it drips on the floor occassionally but also hardens on the box itself. As long as there is sufficient heat it stays fluid, but when it cools it hardens - very hard.  
Post #39006019th Dec 2008 5:28 am
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SKP
 


Member Since: 07 Feb 2007
Location: Melbourne
Posts: 219

Australia 2005 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

Might it be some of the wax that they spray on vehicles before shipping Question  
Post #39006519th Dec 2008 5:49 am
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philhunt
 


Member Since: 16 Sep 2007
Location: MI5 not 9 to 5
Posts: 1761

United Kingdom 2005 Discovery 3 TDV6 SE Manual Zambezi SilverDiscovery 3

I'm certainly no expert so this is just a personal opinion. As SKP suggests it could be some preservative wax (or some form of excess sealant) that's on or near somewhere that's getting hot, causing it to drip in its melted state. It's obviously not oil. Personally, I wouldn't be too concerned and I would be surprised if the problem didn't disappear after a few good runs. In any event, you've pointed it out to the Stealer and they weren't phased by it.

Keep us posted Thumbs Up  
Post #39012819th Dec 2008 10:35 am
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Rencolyn
 


Member Since: 26 Feb 2008
Location: Knysna
Posts: 212

South Africa 2008 Discovery 3 TDV6 HSE Auto Atacama SandDiscovery 3

My HSE diesel has the same oily drip from both exhausts. Big Cry This is intermittent & seems to have stopped for the moment. Would appreciate any news on the matter. Ren Colyn
TDV6 HSE  
Post #39065420th Dec 2008 12:37 pm
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Yousif
 


Member Since: 23 Feb 2007
Location: Sudan
Posts: 13

United Kingdom 2005 Discovery 3 TDV6 S Manual Zambezi SilverDiscovery 3

I've had this regularly and had just assumed it was condensation mixing with the soot in the exhaust system. Got a lot of it when I flushed the underside of the car after the recent very muddy trip from Uganda to Sudan, inlcuding flushing up the exhaust.  
Post #39301525th Dec 2008 3:49 pm
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heine
 


Member Since: 07 Feb 2007
Location: Midrand
Posts: 4054

South Africa 2009 Discovery 3 4.4 V8 HSE Auto Alaska WhiteDiscovery 3

DiscoDunc wrote:
its something in the silencer. Maybe a dead rat Laughing




Maybe the cat killed it Laughing  
Post #39302725th Dec 2008 5:19 pm
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