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fluid in rear silencers/rattle somewhere behind driver
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dunton10
 


Member Since: 23 Dec 2006
Location: SUTTON COLDFIELD, WEST MIDS
Posts: 213

United Kingdom 2015 Discovery 4 3.0 SDV6 SE Tech Auto Corris GreyDiscovery 4
fluid in rear silencers/rattle somewhere behind driver

Hi
I was under the car today looking to see if anything was loose as I have a bad rattle that only occurs when the car shudders over a road imperfection. I don't think this is related to the b pillar rattle issue as its not a tick but a distinct metallic rattle like a loose cable rattling in a door or behind the rear side panel. Any ideas on this would be welcome. This will be difficult for the dealer to find I guess as it doesn't do it all the time.
I'm hoping someone on here might have had similar and had some success.
Anyway, whilst under the car tapping everything I gave the exhausts a shake to eliminate heat shields and got a surprise.
It sounds as if the rear silencers are full of water or some liquid anyway. I can hear it sloshing around.
Any ideas. Its a 64 plate so still under warranty.
I'm concerned that whatever it is it will rot the exhaust from the inside. my last disco 3 was 9 years old and still on the original exhaust.
back to the dealers??
thanks folks.
 Currently 2015 D4 SE Tech, Corris Grey
RLD Protector, led interior lights, timed climate, towing equipment
Previously
2006 D3 S
2001 TD5
1996 Shogun LWB
1989 Range Rover TDVM 
 
Post #162541714th Mar 2016 9:13 pm
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dunton10
 


Member Since: 23 Dec 2006
Location: SUTTON COLDFIELD, WEST MIDS
Posts: 213

United Kingdom 2015 Discovery 4 3.0 SDV6 SE Tech Auto Corris GreyDiscovery 4

ok brief update in case its useful to anyone.
Rattle in rear has been identified as coming from the middle row seat drivers side, when the backrest is lowered but seat is left in the higher position the rattle stops. as soon as the backrest is reinstated to the up right position the rattle happens again. I think its coming from the lower catch and not the top handle thingy. Anyway investigations will continue to see if I can fix. anyone else had a similar issue?

Fluid in exhaust - its being booked in to dealer to investigate. I'll be interested to know if its diesel, oil or water that's sloshing about. I think they will have to drop the exhaust and tip it out. More later

steve
 Currently 2015 D4 SE Tech, Corris Grey
RLD Protector, led interior lights, timed climate, towing equipment
Previously
2006 D3 S
2001 TD5
1996 Shogun LWB
1989 Range Rover TDVM 
 
Post #163389831st Mar 2016 6:50 pm
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Soldierboy
 


Member Since: 27 Jan 2016
Location: Sheffield
Posts: 728

United Kingdom 2011 Discovery 4 3.0 SDV6 GS Auto Fuji WhiteDiscovery 4

Hi Steve ref the liquid in the exhaust do most modern cars convert some of the exhaust gasses in to fluid and expel them as u drive as I have seen this on a lot of modern vehicles not sure if that's the case with the disco but have deffo seen it on saloons ect just a though but I think you've done the right thing under warranty get the dealers spending there money
 God created heavy armour on 06 sept 1916, on the 7th the devil stood to attention!
Fuji white D4 MY11 GS 3.0 SDV6 MODS:
SMD LEDS INSIDE, SIDE LIGHTS, REAR FOG AND REVERSE
OEM SIDE STEPS
STAINLESS STEEL SCUFF PLATES
RUBBER MATS
SHORT ROOF BARS
RETROFITTED CC
BLACK HUBS & DUST CAPS
GLOSS BLACK GRILLE, SIDE VENTS AND WHEELS
BLACK BADGES FRONT REAR AND STEERING WHEEL
MUD GUARDS FRONT AND REAR
GLOSS BLACK DOOR HANDLES AND LETTERING 
 
Post #163391231st Mar 2016 7:01 pm
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Sean North
 


Member Since: 09 Mar 2016
Location: North of Scrabster.
Posts: 452

Scotland 2012 Discovery 4 3.0 SDV6 HSE Auto Keswick GreenDiscovery 4

Liquid in exhauts is usually just condensate - a good thrash up a motorway will sort
  
Post #163391631st Mar 2016 7:15 pm
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dunton10
 


Member Since: 23 Dec 2006
Location: SUTTON COLDFIELD, WEST MIDS
Posts: 213

United Kingdom 2015 Discovery 4 3.0 SDV6 SE Tech Auto Corris GreyDiscovery 4

Thanks chaps.
It certainly hasn't had a good run for a few months and could be what you suspect. My only reservation is that there seems to be a lot of it from the sound of sloshing !
Even if I give it a fast run on the motorway with the 8 speed auto box its still only around 1500 rpm. how fast do I need to go !!
maybe I will leave it till after ive towed the caravan, that should get it hotter.
 Currently 2015 D4 SE Tech, Corris Grey
RLD Protector, led interior lights, timed climate, towing equipment
Previously
2006 D3 S
2001 TD5
1996 Shogun LWB
1989 Range Rover TDVM 
 
Post #163399931st Mar 2016 9:40 pm
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aman
 


Member Since: 09 Feb 2014
Location: London
Posts: 285

United Kingdom 2005 Discovery 3 TDV6 SE Auto Java BlackDiscovery 3

Put it in manual mode and you can take the RPMs upto 4000 or so
  
Post #163400831st Mar 2016 10:09 pm
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