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TDI (Diesel) Emissions This is a discussion about emissions from TDI's. Pro's cons of Diesels (including biodiesel) effects on the environment and how they compare to Gasoline and other fuel sources for Internal combustion engines.

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Old July 24th, 2011, 20:25   #16
El Dobro
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This may help to extend the life of the DPF.
http://cgi.ebay.co.uk/skoda-audi-sea...-/110667943228
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Old July 24th, 2011, 21:57   #17
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Quote:
Originally Posted by El Dobro View Post
This may help to extend the life of the DPF.
http://cgi.ebay.co.uk/skoda-audi-sea...-/110667943228

VW Skoda Audi Seat
DPF Additive
Satacen 25
used to remove soot from the diesel particulate filter
part number
g052143a2
or
g 052 143 a2
used in the 2.0 diesel
the system takes 4 litre to fill
and will require filling at 80.000 to 120.000 miles
you will get a warning light come on telling you are low
this is normally the engine management light
this action is for 1 litre

This looks like the Adblue that the new US made Passat will use.



I ran across a DPF "cleaner" available in Europe. The link:
http://www.jlmlubricants.com/Diesel.html

1) JLM DPF Cleaner
The first version is the JLM Diesel Particulate Filter (DPF) Cleaner Fluid, which comes in a 100ml can and is added to the fuel tank every service interval or 10.000km for maximum cleaning power of the Diesel Particulate Filter (DPF). It cleans blocked diesel filters (1st stage warning) and enables full diesel filter regeneration in difficult drive cycles (ie. city driving) .

To read about the first test results read this convincing PDF file (click link below)
JLM DPF Cleaner test results (JLM Diesel Particuatel Filter Cleaner Test Results)


Bob

Last edited by bobt2382; July 24th, 2011 at 22:01. Reason: added link
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Old July 24th, 2011, 22:44   #18
JSWTDI09
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Quote:
Originally Posted by bobt2382 View Post
1) JLM DPF Cleaner
The first version is the JLM Diesel Particulate Filter (DPF) Cleaner Fluid, which comes in a 100ml can and is added to the fuel tank every service interval or 10.000km for maximum cleaning power of the Diesel Particulate Filter (DPF). It cleans blocked diesel filters (1st stage warning) and enables full diesel filter regeneration in difficult drive cycles (ie. city driving) .

To read about the first test results read this convincing PDF file (click link below)
JLM DPF Cleaner test results (JLM Diesel Particuatel Filter Cleaner Test Results)


Bob
This might help with regens when doing only city driving, but it will do nothing for ash accumulation which is primarily what this thread is about. Ash is the result of burning off soot and this chemical is supposed to help with the burning off of soot. Once that soot is burnt off, the resulting ash is what will limit the life of the DPF in the long run. When the ash accumulation is enough to block the flow of exhaust gases it must either be emptied out or the DPF replaced. We can all hope that someone figures out a cost effective way to empty it out. It might even be as simple as a shop-vac with a properly curved attachment. Only time will tell.

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Old July 25th, 2011, 05:42   #19
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Quote:
Originally Posted by bobt2382 View Post
VW Skoda Audi Seat
DPF Additive
Satacen 25
used to remove soot from the diesel particulate filter
part number
g052143a2
or
g 052 143 a2
used in the 2.0 diesel
the system takes 4 litre to fill
and will require filling at 80.000 to 120.000 miles
you will get a warning light come on telling you are low
this is normally the engine management light
this action is for 1 litre

This looks like the Adblue that the new US made Passat will use.



I ran across a DPF "cleaner" available in Europe. The link:
http://www.jlmlubricants.com/Diesel.html

1) JLM DPF Cleaner
The first version is the JLM Diesel Particulate Filter (DPF) Cleaner Fluid, which comes in a 100ml can and is added to the fuel tank every service interval or 10.000km for maximum cleaning power of the Diesel Particulate Filter (DPF). It cleans blocked diesel filters (1st stage warning) and enables full diesel filter regeneration in difficult drive cycles (ie. city driving) .

To read about the first test results read this convincing PDF file (click link below)
JLM DPF Cleaner test results (JLM Diesel Particuatel Filter Cleaner Test Results)


Bob
This isn't Adblue, it's called Eolys fluid and is used in European diesels in a tank that dispenses a measured amount at each fill-up into the fuel. Adblue is injected into the exhaust after the DPF. The fluid lowers the temperature that the soot will burn at, so the amount of post injections are lessened, which also means less fuel is used for the burning. The only manufacturer that mentions the use of this fluid is Peugeot, but they're all using it.
http://www.peugeot.com/en/innovation...-it-work-.aspx
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Old July 25th, 2011, 17:53   #20
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Who wants to be the first one to run a bottle of JLM DPF cleaner in their 2009 + TDI?

I should be getting some maintenance info from the dealer tomorrow on the DPF system. They are going to fax it to me. I'll scan and post it as soon as I can.
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Old July 25th, 2011, 19:07   #21
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Unfortuately, these two products do not clean the ash from the DFP.

They appear to simply lower the balance point temperature oxidizing more soot all else being the same. Thus, the frequency of active regens and the likelihood of needing a service generation are reduced. My guess is that the reduction in ash buildup using these products will not extend the DPF life significantly. The products might prevent DPF replacement due to soot buildup for those that operate their cars in severe conditions like TDI taxis in NYC.

One last point, there are studies that show using, IIRC, B5 lowers the balance point temperature by 50*C.

I won't spend $ on these products.
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Old July 25th, 2011, 19:55   #22
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So, you're saying Peugeot is incorrect when they say the Eolys fluid more than doubled the service period of their DPF?
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Old July 25th, 2011, 20:24   #23
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Quote:
Originally Posted by El Dobro View Post
So, you're saying Peugeot is incorrect when they say the Eolys fluid more than doubled the service period of their DPF?
What I'm saying is ash is ash and soot is soot. There is no evidence that eolys can somehow magically reduce ash buildup. It does nothing more than what biodiesel does and that is lowers the balance point temperature. Also, it's the combination of post injection and the additive that has extended the service period which appears to relate to soot oxidation not ash accumulation. Perhaps, Peugeot was having problems with soot accumulation clogging the DPF prior to ash clogging it.

If you can find that eloys reduces ash buildup, I'll buy it.
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Old July 25th, 2011, 21:06   #24
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VW, Audi, Seat, Skoda, Volvo, Ford, Fiat and Citroen all use Eolys fluid along with Peugeot. They have tanks built into the cars for dispensing the fluid into the fuel tank.
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Old July 26th, 2011, 10:39   #25
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Quote:
Originally Posted by El Dobro View Post
This may help to extend the life of the DPF.
http://cgi.ebay.co.uk/skoda-audi-sea...-/110667943228
Put me in the "extend it to what" camp - 39ml @ 40,000 = 390,000 if the limit is 380ml. Doesn't appear to be worth the trouble.

Quote:
Originally Posted by MacBuckeye View Post
Who wants to be the first one to run a bottle of JLM DPF cleaner in their 2009 + TDI?
Not this cowboy, I ain't putting anything through the HPFP except diesel fuel............I ain't giving VW any wiggle room
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Old July 27th, 2011, 04:46   #26
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Default VW DPF Regen info

I attached the link to a pdf file. This came from VW and is part of the Engine Management System dealing with Regenerations / DPF issues.
No where does it talk about Oil Ash Volume, only Soot Load. I've asked my dealer contact to try and dig a little deeper to see if there is any literature that specifically mentions "oil ash". Perhaps these terms are used interchangeably??? No one really knows. There are 4 pages... interesting read.
http://pics.tdiclub.com/data/4323/VW...ystem_Info.pdf

Four Types of Regens
Passive Regen
Active Regen
Distance Regen
Customer Initiated Regen
Service Regen

I have a longer drive to work now, so I hope the soot loads and oil ash volume increase at a much slower rate (or none at all). More "Passive Regens" for me please! One could only hope.
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Old July 27th, 2011, 06:41   #27
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MacBuckEye thanks for posting all this great info.

If your calcs are correct, and we can truly get 250k - 500k+ out of this DPF, then I'd be quite happy. I wish some CR's with 100K would provide their data. I'll be adding my data as soon as I get my VAG-COM.
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Old July 27th, 2011, 13:38   #28
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Quote:
Originally Posted by MacBuckeye View Post
I attached the link to a pdf file. This came from VW and is part of the Engine Management System dealing with Regenerations / DPF issues.
No where does it talk about Oil Ash Volume, only Soot Load. I've asked my dealer contact to try and dig a little deeper to see if there is any literature that specifically mentions "oil ash". Perhaps these terms are used interchangeably??? No one really knows. There are 4 pages... interesting read.
http://pics.tdiclub.com/data/4323/VW...ystem_Info.pdf

Four Types of Regens
Passive Regen
Active Regen
Distance Regen
Customer Initiated Regen
Service Regen

I have a longer drive to work now, so I hope the soot loads and oil ash volume increase at a much slower rate (or none at all). More "Passive Regens" for me please! One could only hope.
Those pages (and my quote above on 45 grams) are from the Self Study Program 826803 2.0 Liter TDI Common Rail BIN5 ULEV Engine which has been referenced many times over the past few years. I believe this link works for the full document: http://www.filemount.com/2010/10/self-study-program-826803-2-0-liter-tdi-common-rail-bin5-ulev-engine/
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Old August 3rd, 2011, 21:09   #29
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MemberName: Theedudenator
Model Year: 2009
Model: JettaWagon
Tranny: 6spd manual
Miles: 74867
Oil Ash Volume: 78ml
Oil Type: Not Sure - buy online
Avrg. MPG:
Comments: My light came on solid today
Fuel consumption since last regen = 67.2l
Mileage Since Last Regen 1200km

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Old August 9th, 2011, 17:02   #30
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MemberName: darrelld
Model Year: 2010
Model: Jetta
Tranny: DSG
Miles: 11,587
Oil Ash Volume: 9ml
Oil Type: Castrol LL03
Avg. MPG: 36
Mileage Since Last Regen: 360km
Soot Load Calculated: 15.3
Successful Regenerations: 128

As a reference most of my driving is 13 miles urban to work.

Stumbled across a DPF ash study by MIT;
http://www1.eere.energy.gov/vehicles...r10_sappok.pdf




Last edited by darrelld; August 9th, 2011 at 17:26.
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