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Discussion Starter · #1 ·
Hello, I just brought home my new ( new to me ) "05" 407 today. I noticed that when I was stuck in traffic, the interior of the car filled up with a "Smokey Burnt diesel" smell. It only happened when I had the heater fan on. Also, after stopping at McDonalds, the same smell was around the car when we came out. Can anyone shed any light? There is 114000 miles on the clock and the particle filter has NOT been done. I'm wondering if there is any connection here? Any insight will be gratefully received

Yours slightly worried
DOK:(
 

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Hi dokgolf and welcome from a fellow Galway member...:)
9 times out of ten it will be one or more of the injector seals.
if you remove the 16 valve cover from the top of the engine
and see a blackish (carbon)substance around one or more of the injectors then thats your problem.
They are cheap to buy but the injector(s) need to come out.
Ron.
 

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Discussion Starter · #3 ·
Many thanks for the help Risky1! I am a complete idiot when it comes to mechanics ( and practically everything else ). Can you explain very simply how to check the injectors i.e where is the 16 valve cover?
DOK:eek: :eek:
 

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when you open your bonnet there is a black cover with "Hdi 16valve" wrote on it...pull it straight up and you will see 4 injectors underneat.
the will be leaking at the base of the injector(s).
I'll see if i can get a pic to explain...:)
Ron.
 

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Discussion Starter · #5 ·
I'll have a look tomorrow. Bloody knackered after bringing car in from England today. Thanks for the help, I'll let you know how I got on!
 

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heres a diagram of the four injectors....its worth checking them but
it still may not be the fault....No 7 is the copper washer seal which leaks and passes compression which creats the blackish carbon substance.



Heres a pic of the engine with the black cover removed showing the 4 injectors
 

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Discussion Starter · #7 ·
Hi Ron,
I've checked the injectors. The two on the left are manky. The rest of the engine is spotless and I think it has been steam cleaned. If I didnt have your help, I would have thought that the "dirt" is from where the "gunge" from the steam cleaning got trapped under the engine cover. Is it an easy job to replace these injectors or will I leave it to the mechanic? S'one told me that I would need specialist tools for the job.
DOK
P.S. Thanks again for all your help:thumb:
 

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dokgolf said:
Hi Ron,
I've checked the injectors. The two on the left are manky. The rest of the engine is spotless and I think it has been steam cleaned. If I didnt have your help, I would have thought that the "dirt" is from where the "gunge" from the steam cleaning got trapped under the engine cover. Is it an easy job to replace these injectors or will I leave it to the mechanic? S'one told me that I would need specialist tools for the job.
DOK
P.S. Thanks again for all your help:thumb:
That could be a job for Ron since your neighbours. :thumb:
 

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I replaced one of my own injector seals shortly after i bought my own 407.
With the carbon built up around the injector is was difficult enough to
remove..:rolleyes:
If your after buying it from a garage then they should cover it for you.
but if you bought it privately then i guess you'll have to get it done yourself.

They only problem is if the seals were leaking for awhile they compression
leaking passed the seals can score the head where the seals seat onto and
the seating for the seals may need to be recut/ground to make a good seal.

Here's they tool been set up operation... http://www.youtube.com/watch?v=FIfUK2KlDWA

I was lucky i just go away with reseating it with some fine sand paper on the end of a 3/8 socket extention..:)

Most good garages should have the correct tools for this job.
I normally do my own servicing and bits and pieces and can read/reset faults
for people with planet if need be.:)
Are you based in the City yourself...??...I'm a few miles from Turloughmore.
Ron.
 

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Discussion Starter · #11 ·
Hi Ron, I was trying to PM you but I cant as I only have 7 posts to date ( 20 required ). I'm in Craughwell. If you think you could do the job, I'd certainly be interested in meeting up. One of the injectors is really dirty and the carbon has solidified around the base. I'll take a photo on Monday and post it. If you think that it is a job for s'one who has specialist tools, can you recommend any independent technicians? I don't really want to go to a dealership as I found to my cost ( from Galway Renault ) that they dont really care about customer satisfaction and then charge an arm and a leg for the privilege.
Regards
Dermot
P.S. Would you be able to do the particle filter? The car has 114000 miles on it but the warning light hasnt come on yet?
 

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Hi Dermot,
I can have a look at it for you and we can see how the dpf looks,
The additive tank may also need topping up at that mileage.

Time is'nt always on my side as i work in Galway durning the week...not complaining about that the way jobs have gone...:eek: and only have weekends/evenings.
Ron.
 

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Discussion Starter · #13 ·
risky1 said:
Hi Dermot,
I can have a look at it for you and we can see how the dpf looks,
The additive tank may also need topping up at that mileage.

Time is'nt always on my side as i work in Galway durning the week...not complaining about that the way jobs have gone...:eek: and only have weekends/evenings.
Ron.
Thanks Ron, I got your message. Will be in contact next week. Have to go to the zoo tomorrow (my son's birthday celebrations). Will also take your advice on your other suggestion:)
 

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Thats Grand....enjoy the Zoo tomorrow..:)..was there last summer with my own two kid's and i think i walked about 8 miles durning the day...also a good
tip is bring a lunch with you as the food prices can be expensive there..:eek:
Ron.
 

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Smokey Diesel Smell

I put up with this for nearly a year on my 2.2hdi after Peugeot had changed the turbos. They had car back and refitted turbos but still fumes came into car. At last service they finally found that the exhaust manifold was not seated properly and the fumes have stopped. I just hope that it has not done me or the engine any lasting damage as it had started to stain the inside screen pillars where the fumes were coming through the vents.
 

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Discussion Starter · #16 ·
risky1 said:
Thats Grand....enjoy the Zoo tomorrow..:)..was there last summer with my own two kid's and i think i walked about 8 miles durning the day...also a good
tip is bring a lunch with you as the food prices can be expensive there..:eek:
Ron.
Hi Ron, i havent forgotten about you. I'm very busy atm and I'm trying to sell my Laguna at the same time. I'll give u a shout when I get around to looking at the particle filter.:thumb:
 

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Discussion Starter · #17 ·
DEANMACHINE said:
I put up with this for nearly a year on my 2.2hdi after Peugeot had changed the turbos. They had car back and refitted turbos but still fumes came into car. At last service they finally found that the exhaust manifold was not seated properly and the fumes have stopped. I just hope that it has not done me or the engine any lasting damage as it had started to stain the inside screen pillars where the fumes were coming through the vents.
To be honest, I'd sue them. You must have been inhaling vast quantities of CO over the course of the year!:mad:
 
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