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Fumes, how does yours smell!
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Kilovolt
 


Member Since: 29 Jun 2015
Location: South Derbyshire
Posts: 1040

United Kingdom 2013 Discovery 4 3.0 SDV6 Commercial XS Auto Baltic BlueDiscovery 4

Just on the off chance............

Now we are into colder weather and the FBHs are firing up at less than 7°C outside ambient, are you getting fumes from that feeding back into the cabin? The exhaust outlet of the FBH is in the passenger wheel arch area.

I have an enclosed courtyard and on really cold mornings I would start the engine and then go for a coffee whilst everything defrosts, and the car definitely ingests some of its own fumes (which clear quickly as the journey got underway).

Just a thought, like I say I, have had this on many an occasion before now.

Good luck Thumbs Up
 "Track day running - Don't put your foot back on the accelerator until your absolutely sure you don't have to take it off again"

Current Ride: D4 XS Commercial Baltic Blue SDV6 fully loaded with heated everything Smile
Track Days: BMW E36 M3 Evolution MY 1996 (3.2 Litre 377 BHP sat in 1,250 Kgs of car, with a pro safety cage and some serious braking power) Smile 
 
Post #218118020th Oct 2020 8:47 am
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Andyyav
 


Member Since: 22 May 2019
Location: Norfolk
Posts: 303

United Kingdom 2010 Discovery 4 3.0 TDV6 XS Auto Stornoway GreyDiscovery 4

Good call PROFSR G if it still enters with the recirculate on it must entering the system elsewhere, I’ll try it and see, are there any known ‘leak’ issues with the exhaust system that I should start with?
AdamRandall id say yours is CAT related being the sulphur smell
  
Post #218120020th Oct 2020 9:50 am
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dgardel
 


Member Since: 03 Nov 2009
Location: Greater Venice
Posts: 2025

Italy 2014 Discovery 4 3.0 SDV6 XXV LE Auto Santorini BlackDiscovery 4
Re: Fumes, how does yours smell!

Andyyav wrote:
Noticed recently my 2010 D4 exhaust fumes are getting stronger, anyone had experience of this or have any ideas what I should check? I use shell or BP diesel, just been serviced runs and drives fine small amount of smoke on start up but nothing when driving any ideas?


Black, white or light blue?
 Discovery 5 tdv6 HSE Corris Gray Outback Engineering Limited Edition

IID Pro MV License

 
 
Post #218121920th Oct 2020 11:19 am
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Andyyav
 


Member Since: 22 May 2019
Location: Norfolk
Posts: 303

United Kingdom 2010 Discovery 4 3.0 TDV6 XS Auto Stornoway GreyDiscovery 4

Black puff on start up but nothing after that
  
Post #218123520th Oct 2020 12:43 pm
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Andyyav
 


Member Since: 22 May 2019
Location: Norfolk
Posts: 303

United Kingdom 2010 Discovery 4 3.0 TDV6 XS Auto Stornoway GreyDiscovery 4

Don’t suppose anyone’s aware of an exhaust smoke test that I can carry out to see where the possible leak is?
  
Post #218289227th Oct 2020 9:36 pm
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Andyyav
 


Member Since: 22 May 2019
Location: Norfolk
Posts: 303

United Kingdom 2010 Discovery 4 3.0 TDV6 XS Auto Stornoway GreyDiscovery 4

I’ve just fired a smoke machine up the exhaust several times and let sit, topping up with blast of smoke every few minutes, no leaks spotted.
Did wonder if the smoke would disperse before it filled the system but when I removed the machine etc some smoke came back down the exhaust so think it’s an ‘ok’’ test
Anyone know how to test the crossover pipe?
Figured I could partially block the exhaust with it running and see if anything becomes apparent?!?
  
Post #21849926th Nov 2020 4:01 pm
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Andyyav
 


Member Since: 22 May 2019
Location: Norfolk
Posts: 303

United Kingdom 2010 Discovery 4 3.0 TDV6 XS Auto Stornoway GreyDiscovery 4

Update!
After crawling all over it the fumes appeared to be coming from the right (drivers) side after some detective work i found the EGR to exhaust pipe has a hole in it! Think I’ll need to remove the whole thing to get bolts out as the ones in the picture below won’t budge and feels like I’ll round them off even with an Allen key, does pose the question should I blank the egrs off? Guess I’d need to tell ecu they’re no longer there can I do that with the GAP tool?
Hole -



Allen Bolts -

  
Post #218862621st Nov 2020 8:42 pm
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swansty
 


Member Since: 21 Sep 2008
Location: Northern Ireland
Posts: 924

Northern Ireland 2010 Discovery 4 3.0 TDV6 XS Auto Zermatt SilverDiscovery 4

Andyyav wrote:
Now getting what I think are exhaust fumes inside the cabin on start up and when sitting at idle, it’s stronger on start up
Does anyone have a layout for the air ducting? Figured I could look along it’s route for issues I’ve looked on lrcat but couldn’t find it


Im suffering exactly the same problem. Particularly strong exhaust fume smell on start up & idle. Did you ever identify the problem?
  
Post #22553875th Oct 2021 8:21 am
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PROFSR G
 


Member Since: 06 Mar 2017
Location: Lost
Posts: 4838

Ukraine 2009 Discovery 3 TDV6 Commercial XS Auto Stornoway GreyDiscovery 3

swansty wrote:


Im suffering exactly the same problem. Particularly strong exhaust fume smell on start up & idle. Did you ever identify the problem?




Andyyav wrote:

Hole -



This might have something to do with it. Whistle
 yµ (idµ - eAµ) ψ=mψ

 
 
Post #22553935th Oct 2021 8:58 am
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swansty
 


Member Since: 21 Sep 2008
Location: Northern Ireland
Posts: 924

Northern Ireland 2010 Discovery 4 3.0 TDV6 XS Auto Zermatt SilverDiscovery 4

Lol. Missed that! Must get under mine for a look!
  
Post #22554275th Oct 2021 11:31 am
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Andyyav
 


Member Since: 22 May 2019
Location: Norfolk
Posts: 303

United Kingdom 2010 Discovery 4 3.0 TDV6 XS Auto Stornoway GreyDiscovery 4

Laughing mine was the drivers side, diagnosed by a stronger smell in the wheel arch that side. I took the wheel off and removed some of the heat shielding to get to it, the pipe has further heat shielding that needs removing to get a good look
Good luck
  
Post #22554375th Oct 2021 12:22 pm
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swansty
 


Member Since: 21 Sep 2008
Location: Northern Ireland
Posts: 924

Northern Ireland 2010 Discovery 4 3.0 TDV6 XS Auto Zermatt SilverDiscovery 4

Confirmed - holed pipe on drivers side. This rules it out for use on the family trip to England on Sat 😭


  
Post #225801820th Oct 2021 11:47 pm
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DiscoDad
 


Member Since: 06 Nov 2006
Location: Beautiful Teesdale
Posts: 3004

United Kingdom 2014 Discovery 4 3.0 TDV6 HSE Lux Auto Fuji WhiteDiscovery 4

Hi Chaps, (Andyyav + swansty)

So then, with the hole in the EGR pipe, on the drivers side of both of your cars, this looks like it could be a common problem wouldn't you say?

I'm having the same symptoms as you both described.

Couple of questions...

Is there a quick and easy way for me to have a feel around and locate the pipe and feel for a suspected hole without taking half of the car apart (bearing in mind that it's -2 degrees outside?

How much did it cost or how /easy/difficult was it to have fixed?

Out of interest, what was the mileage on your cars at the time?

Thanks
Les
 Back in the game!  
Post #23178578th Dec 2022 4:46 pm
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Lazydave
 


Member Since: 07 Jul 2019
Location: Birmingham
Posts: 87

England 2010 Discovery 4 3.0 TDV6 HSE Auto Santorini BlackDiscovery 4


Mine was the same side. Ended up as body off as one bolt snapped.
 2010 HSE
Full service genuine parts.
Front and rear pads.
Turbo oil drain pipe mod.
LED interior lights upgrade.
Both rear door actuators.
Tailgate handle/ switch.
Facelift grille and rear lights.
Fitted cross bars.
New rear discs and pads.
New RH inlet manifold.
New air con condensor.
New battery.
New EGR pipe.
New front discs and pads.
New propshaft. 
 
Post #23178858th Dec 2022 7:28 pm
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Andyyav
 


Member Since: 22 May 2019
Location: Norfolk
Posts: 303

United Kingdom 2010 Discovery 4 3.0 TDV6 XS Auto Stornoway GreyDiscovery 4

DiscoDad wrote:
Hi Chaps, (Andyyav + swansty)

So then, with the hole in the EGR pipe, on the drivers side of both of your cars, this looks like it could be a common problem wouldn't you say?

I'm having the same symptoms as you both described.

Couple of questions...

Is there a quick and easy way for me to have a feel around and locate the pipe and feel for a suspected hole without taking half of the car apart (bearing in mind that it's -2 degrees outside?

How much did it cost or how /easy/difficult was it to have fixed?

Out of interest, what was the mileage on your cars at the time?

Thanks
Les



Evening Les

My mileage was roughly 130k from memory, checking the pipe isn’t to hard a job with the wheel off, once I’d got access by removing some heat shielding I could feel the hole through the ‘insulation’
Removing and replacing was a chore and took me a fair while, I think one of the fixings was a real PIA to get out and I ended up using a removal tool (below) I did try repairing mine with an exhaust bandage to buy some time but it didn’t last!
If yours is the same and you take it on let us know how it goes!


 1972 Series 3 full of character
1985 90 pick up went anywhere
1992 90 Exported
2007 L322 that was an experience
2010 D4 more versatile than a Swiss army knife, now gone 
 
Post #23178928th Dec 2022 9:08 pm
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