Diesel Particulate Filter Extreme Heat Cleaning - How Much Soot or Ash Will It Remove? DIY DPF Clean
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- Опубліковано 13 жов 2020
- In today’s video we see what effect extreme heat has on some ceramic material from a diesel particulate filter. To do this test I first cut open an old DPF and cut it into small pieces, and then test a few pieces by heating them with a gas burner. Will this remove the soot? Will this remove the ash build-up? Watch and find out!
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Thank you for sharing your experiences with us👍 !
Hi, thanks for watching my crazy experiments!
Brilliant video thank u 👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍
Thanks!
it is if you use it with a good blast of air
Very informative and well done - please do add to your list of future videos an instruction on how to tell the car that it now has a "new" DPF and hence avoid/reset the infamous 452A fault message (Seems easy enough if you have ISTA+ - but there must be a way to accomplish the same via DIS.... me thinks)
Hi, thanks for watching! A future video will follow the whole process from error code to removal to cleaning to re-installation and finally the clearing of the error code - probably be out in late January.
Do hope did the catalyst work that gets injected into the fuel in the Peugeot?
Getting rid of the ash is relatively easy. All you need is a good blow with compressed air under high pressure and you're in trouble. The burner method looks like a good replacement for kiln firing which also removes only the soot and the ash is blown out. The problem with soot is that it is "sticky" and it's hard to blow it out and it is very easy to blow out the ash when you have a good compressed air system available.
Greetings from Poland
Hello to Poland! My conclusion is that the burner method *could* work as well as a kiln, but it would end up using so much gas that other methods like chemical cleaning end up being cheaper and quicker for DIY home use..
@@StevenBTuner when it comes to speed, the burner is probably faster :-) blowing through the stove, I know that it takes about 30 minutes. because I have repeatedly done firing in the furnace and as for firing with a burner, I will do it for the first time this week but I think it will take about 1 hour.
As for the price, I do not know because I have free access to gas and compressed air :-)
I will try to let you know how much time is left for me after work
@@songoku-fq1iv Be great to hear how it goes! If you have some accurate scales it would be great to know how much lighter the DPF is at the end.
@@StevenBTuner The situation looks like this. The ECU showed 100% full DPF and soot also in max. the value above which this driver did not count (32 grams per liter of Filter capacity). After tapping, the DPF weighed 7122 grams. After about 12 minutes of baking with a roofing torch and grinding the still hot filter, the weight indicated 7115 grams - I consider this to be no result. I expected that the burner would turn soot into dust and the weight would decrease more if this happened, and I consider this result to be the removal of moisture from the filter and not the conversion of soot to ash. After that, I let the filter cool down and did something else. The filter after the burner was so hot that it took over 2 hours to cool down outside. After it cooled down, I started blowing compressed air through the filter. constant pressure of 6.2 atm and the outlet diameter of the purge tube 5 mm. The blowing time is about 15 minutes. After blowing out, weighing. The weight indicated 7067 grams, so already some satisfactory result. After the filter was attached to the machine, the differential pressure returned to the correct values. The first time it was started, it was 1-2 millibars at idle, so that's fine. did the burner help something? As for blowing with compressed air, it is, as always, a great method that always works as long as the filter is not melted or broken. It is best to blow when there is ash itself, i.e. after firing in the furnace, but when it is also soot, it is also possible to do it without a major problem. Of course, the more pressure the better. It's best if someone has access to an industrial compressed air installation, and preferably in sandblasting plants - there is a good fuck there :-)
greetings
@@songoku-fq1iv You have done a great experiment - I have to do it too now! :-) I have ordered an infrared thermometer that goes up to 1200 degrees celcius so that I can measure what is happening, I've got a bigger air compressor ready, and I've got an old DPF ready to go - I should be able to start filming in a couple of days. Thanks for sharing that great result!
I did consider getting my blow torch to my DPF but one of your previous vids about pressure washing, showing the insulation around the filter was a good indication that this would be pointless in anything more than perhaps burning a hole in the box.
Hi, don't write off the idea just yet! I think a little bit of accuracy is required for the technique to work without damage, so I have just acquired a high temperature IR thermometer, a set of accurate scales, and an ash-clogged DPF. Video should be out in about a month.
@@StevenBTuner Look forward to the vid!
You're too underrated i hope you get more famous
i hope i can buy a 320d e90 with the m47 engine soon
and then i have your videos i mean it looks very easy to clean the dpf
and how about bushings? do you have any experince how long they hold=?
:-) :-) The DPF on a modern diesel scares a lot of folk, but it doesn't have to - I'm trying to make it a bit less scary. Which bushings did you mean specifically? The rear suspension bushings are well engineered and last a really long time. The front suspension bushings are more of a service item, meaning that it is probably best to replace them all every 100k miles, or more often if you have a lowered car.
@@StevenBTuner ok I was scared because the rear got all the torque on the bushings and it got so many bushings, how about rust? The bottom of the doors, etc. I want a good car, not a car that rusts extremely..i want a good engine with good fuel economy. My 1.9 tdi needs 5 liters on 100 km regardless in city
or on highway
i heard the m47 got a good fuel consum too but i really dont know because the guys in forums saying i need 7 liters on 100km the other 6,3 liters i really dont know how they drive but i think i will drive the e90 arround 5 liters like mine 1.9 tdi do you mean its possible?
Hi, BMW are pretty good regarding rust, but if you live in an area where they salt the roads then no car is going to be immune, and so the under-body and inner seams will need regular treatment. As for economy, I don't think 5 litrers/100km is possible for an M47 - I would say 7 is more reasonable.
Heat by itself doesn't do a lot, active regeneration on the car itself works good because the filter heats up, burning off the soot, and the ash gets dislodged by the exhaust pressure as well as the filter matrix expanding due to heat. Forced regeneration using the car's engine is much more effective than just statically blasting it with heat, because you don't have any airflow to blast away the particles after you set them free.
Hi, thanks for watching! In terms of fast and economical DPF cleaning methods, this method certainly isn't at the top of the list - but it was suggested by a viewer, so I thought I'd give it a go! High temperature will definitely work to give you a clean filter, but in 8 hours, not 2 minutes... There is one situation where I would use this method, and that is if the car had a massive turbo oil leak, for example, and the filter was completely blocked full of oil and soot that the normal regeneration or chemical cleaning methods couldn't hope to clear. 10 minutes with the gas torch might burn off enough crud so that my 'no damage diy dpf clean' would work.
Hello Steven. Greetings form Poland. Thanks for Your very informative videos! I would ask what do You think about blanking EGR valve in B47 engine? I'm considering blanking it off, bacause I'm afraid of burning down my car (stupid design of EGR cooler). My car passed the warranty replacement of EGR cooler, but I still don't feel comfortabele. I considered blankig the outlet of EGR cooler in place where it joints with the intake manifold. I wonder if I will have to do any coding or I can just leave it blanked. I thintk that ECU will instantly discover that egr outlet is blanked so my DPF cleaning procedure wont start?
Hi and greetings to you in Poland! The B47 needs the EGR to be functioning in order for the DPF regeneration to work correctly, but you may get away with blocking both the manifold and the pipe to the cooler, so that the EGR will operate but won't actually be letting in any exhaust gases.
Hello,
thank you for your videos..it's what i was looking for.
about heating the dpf, if we assume that a chemical reaction is happening, maybe you need a specific temperature, and a specific time for heating.
for what i ve been reading , it's something like 5 hours and 600 celsius with a slow augmentation of temperature.
what i mean , it's not by having a very high temperature that it mean the reaction is stronger..
i will try this week to heat my dpf ( my wife has a ceramic owen...with the temperature below..)( i assume you need a special owen)
a avantage is that the reaction is cleaning the ash by combustion.
i hope it will work..
what do you think? a chance ?
( ps : sorry for my english..)
Hi, thanks for watching! The 600 degrees Celcius is where soot starts to burn off, so the 5 hours you have planned should definitely result in a soot-free filter at the end. I am very interested to find out what the extended time does to the ash in the filter, as the short bursts of heat that I tried didn't really do anything except make the ash plugs glow red. Do you know how much ash is your DPF at the moment? I look forward to hearing how it works out!
Hi can you make a video using water pressure washer on pieces with ashes also I'm assuming that was your old dpf which you cleaned on one of the your vids
Hi, thanks for watching! This test was done using some left over pieces of the Peugeot 307 DPF that I used in the video from a few weeks ago. In the next couple of weeks I will be releasing new videos about ultrasonic cleaning DPF pieces, and also about pressure washing DPF pieces (and what can go wrong).
Thanks I'm very interested in this video can't wait to see it
You need to oxidize the carbon buildup, use compressed air.
just dig it out weld up and get a remap lol
How to get rid of ash at home? Will soaking in some chemicals help?
Hi, thanks for watching! If you follow my chemical process: ua-cam.com/video/LE1boZ3fhLg/v-deo.html then you don't need heat at all. I have a new video planned where I heat up the whole DPF instead of one piece - look for it soon!
Have you ever tried to clean the dpf with just pressure washing
Hi, thanks for watching! I have a video that is just about pressure washing and the risks: ua-cam.com/video/-0mtz3Icg5o/v-deo.html Pressure washing can be an option for cars made before 2010 (before diesel oxidation catalysts) if it is done carefully, but now I prefer to do a safer chemical clean.
Should try a hydrogen gas torch, see what the results would be , seen video of one remove carbon from an exhaust valve when a blowtorch could not.
Hi, thanks for watching! Sounds like a good thing to have - thanks for the suggestion!
I hear something like if we put solution for DPF Cleaning and keep that in there for 48 hours the DPF will be like new after rinsing the filter.Is that true ?
Hi, thanks for watching! Chemical cleaning is better and cheaper for sure - I have 2 other videos about that: one is called "The No Damage DIY DPF Clean" and the other is "DPF Cleaning At Home 9 Chemicals Tested".
I wonder what would happen if you try flushing with oxygen. Soot definitely should oxidize but the ashes?
Hi, you have the right thinking, but the chemicals involved are way too nasty for home use or even professional use - the oxygen would come from hydrogen peroxide added to concentrated sulfuric acid. It would eat the ash, it would eat the soot and it would eat right through your arm too, if you splashed any on yourself. Much friendlier chemicals will do the job easily enough, or if you prefer heating then 8 hours in an industrial oven works great.
@@StevenBTuner will it have the same effect if i just drive my car for 8 hours on full throttle on German highways? whats the temperature in an industrial oven, is it beyond 600 degrees Celsius?
@@alexs6169 Hi, an industrial oven at 650-700 degrees C for 8 hours is a bit like having an active regeneration that goes on continuously. The trouble with just full throttle driving is that you would be creating perhaps more soot than you are burning off.
Did you reverse heat it?
Forward and backwards.
The best method is to flush it with water
Hi, thanks for watching! I have made a bunch of videos on DPF cleaning so that folk can see what works and what doesn't. The most successful and least damaging method is this one: ua-cam.com/video/LE1boZ3fhLg/v-deo.html
So still no solution to remove ash without removing DPF 😭
Hi, there are a lot of different compounds that make up what is collectively called 'ash', and even after they have been hit with multiple strong chemicals they are sometimes still too large to pass through the DPF in the normal direction. In place cleaning will help prolong the life of the filter, but a full clean needs everything to come out the way it went in (back-flushing).
Sorry but it was pointless you cut it open to do the test.
Hi, thanks for watching! If I didn't show you the soot and ash in the ceramic filter material before, during and after being hit with the gas torch, then how would you know that it did anything?
@@StevenBTuner but the reason I'm trying to point out is you can't do this without taking it apart as you well know.
Hi, I've heard of folk doing it with a full filter still in its housing, but I wanted to start by seeing if it would work on the small pieces that I already had lying around. The test was a success I think, as the technique could definitely be used to clear soot from a soot-blocked filter. However it does not rate very well for clearing ash, as you would be running the gas torch for so long that it would be much cheaper and quicker to do a chemical clean.
@@StevenBTuner so I am correct it doesn't make sense then, that's you what are saying.
Hi, if I had a massive turbo oil leak and the DPF ended up clogged full of oily soot but was otherwise quite new, then I would definitely give this method a go as it might get the filter working again in just 10 minutes. If the filter was just old and ash clogged then what I did in my other video: "The No Damage DIY DPF Clean" would be the better choice for sure.