Member Since: 26 Nov 2011
Location: Gdansk
Posts: 327
Engine fumes in cabin
Recently I have noticed the smell of engine fumes coming into the cars cabin.
Could there be a split hose somewhere? or something else?
9th Jan 2023 4:27 pm
rrhool
Member Since: 28 Aug 2014
Location: Norfolk
Posts: 4400
Could it be exhaust fumes from the fuel burning heater?Richard
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9th Jan 2023 4:35 pm
Andyyav
Member Since: 22 May 2019
Location: Norfolk
Posts: 301
My issue was the EGR exhaust -
https://www.disco4.com/forum/fumes-smell-190538.html1972 Series 3 full of character
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9th Jan 2023 6:42 pm
Flatlander
Member Since: 20 Jul 2015
Location: Here
Posts: 575
Have a look around the transmission bellhousing, if there's a lot of soot then it's likely to be the exhaust crossover pipe.
9th Jan 2023 6:53 pm
nhollandsmith
Member Since: 26 Nov 2011
Location: Gdansk
Posts: 327
Can't be the webasto as that hasn't worked since I have had the car.
I will check the cross over pipe.
I have new EGR's to go in, would that improve things?
I will also check the intercooler hose as that has split in the past, but this is the first time I am noticing fumes in the car.
9th Jan 2023 7:36 pm
M3DPO
Member Since: 22 Sep 2010
Location: Notts.
Posts: 8112
Crossover pipe is usual cause of fumes in cabin, can be accompanied by a whooshing noise, nothing else will cure it. You have diagnosed it yourself with a split hose It can when others can't,
It will when others won't,
It goes where others don't.
9th Jan 2023 8:14 pm
Bracechenko
Member Since: 29 Jun 2021
Location: Cardiff
Posts: 178
nhollandsmith wrote:
Can't be the webasto as that hasn't worked since I have had the car.
I will check the cross over pipe.
I have new EGR's to go in, would that improve things?
I will also check the intercooler hose as that has split in the past, but this is the first time I am noticing fumes in the car.
OK, so you're in exactly the same situation as me. I have fumes in the cabin, especially when the heater is on and my Webasto also doesn't work. I have a theory....
Firstly, the fumes for me are unburnt diesel so it's not an exhaust leak. Is this the same for you? I can smell the fuel most strongly under the bonnet on the FBH heater side rather than airbox side. My theory is that the FBH has tried to fire in the recent cold snap and either has a diesel leak somewhere or is perhaps flooded with diesel (the glow plug is faulty with mine). Would these symptoms also fit in with your issue?
If it helps, my car is going into the garage on Monday to sort it so I'll report back with what they find in case it's something similar with yours too.
11th Jan 2023 10:21 am
Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10368
Also consider small amounts of oil dropping onto the exhaust, at the rear of the engine.
May need to remove gearbox splash guard and look up from underneath
11th Jan 2023 10:38 am
IanF
Member Since: 15 Mar 2022
Location: Liverpool
Posts: 21
Bracechenko wrote:
nhollandsmith wrote:
Can't be the webasto as that hasn't worked since I have had the car.
I will check the cross over pipe.
I have new EGR's to go in, would that improve things?
I will also check the intercooler hose as that has split in the past, but this is the first time I am noticing fumes in the car.
OK, so you're in exactly the same situation as me. I have fumes in the cabin, especially when the heater is on and my Webasto also doesn't work. I have a theory....
Firstly, the fumes for me are unburnt diesel so it's not an exhaust leak. Is this the same for you? I can smell the fuel most strongly under the bonnet on the FBH heater side rather than airbox side. My theory is that the FBH has tried to fire in the recent cold snap and either has a diesel leak somewhere or is perhaps flooded with diesel (the glow plug is faulty with mine). Would these symptoms also fit in with your issue?
If it helps, my car is going into the garage on Monday to sort it so I'll report back with what they find in case it's something similar with yours too.
What did the garage say about the issues on your car??
3rd Mar 2023 6:08 pm
dpround
Member Since: 02 Aug 2022
Location: Llanfairpwll
Posts: 15
In my case it appears to be the gasket between the Manifold and the little manifold EGR pipe. The pipes themselves are also known to fail. I had assumed it was the crossover pipe, but the soot pattern suggested otherwise. Good news is that with luck and a following wind it is possible to change the manifold EGR pipe without removing the body, so worth checking for that carefully before committing to changing the crossover pipe.
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