Why Pressure Washing Your DPF is a Costly Mistake: A Technician's Insight

In this video, Ryan discusses cleaning a Diesel Particulate Filter (DPF) from a Cummins X15 engine. He questions the effectiveness of pressure washing DPFs and highlights the complexity of their internal structure. Ryan, a professional DPF cleaner, emphasizes the need for extreme heat to break down soot bonds within the filter, which pressure washing cannot provide. He shares test results showing that pressure washing yielded no better results than a filter left uncleaned for 350,000 miles. Due to this, he recommends professional DPF cleaning over pressure washing for reliable, long-term maintenance.
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[@truckingandfixing]

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[@anwarburi]

I recently removed both my DPF and DOC. I had it washed at coin car wash. I had it dried out. Re installed next day. Then I did forced regen. All in all, cost me $20 in coins. And so far it's driven 12k miles and the light hasn't returned.

[@camscustombuilds]

Did you wash opposite of exhaust flow?

[@bunyodmurodov-d2w]

still you running ?

[@maniacmattmtl]

​@@camscustombuildsI feel like that is key

[@peepawsjorts]

Dude who makes money off cleaning filters says to not clean them yourself

[@AdamDitheridge]

Came here to make the same remark...lol

[@fix-and-drive-diy-repairs]

I have been pressure washing my dpf for less than £10 at my local carwash for years with zero issues and zero faults! So why in the heck would I stop doing that?

[@Daniel-v8t3h]

I pressure washed mine until i had water spraying out the other side clean and clear about 4 feet took me seemed like 2 hours to fully clean it with a low power pressure washer but i think in the future i will clean myself kinda a headach but worth it if your willing to put in the time to actually clean it the first 10 min i had no water passage back and forth but eventually i started to get flow after one 20 min break and 2 hours later i was confident in the solution ordered the gaskets and a new clamp cuz i broke one put it back together and good as new in the beginning i was getting crankcase pressure sensor going off and leaking oil so i dove right into the dpf filter then after completion i went to the egr cooler cracked the hoses off took a peek then flushed it out with water (egr cooler was not that bad) plugged it back together was gonna look into the egr valve but by the cooler i speculated it was not bad either upon further investigation due to the dpf filter getting clogged and back pressure i had a crank case seal blow out so that turbine was not operating correctly replaced that seal spun it down the road and she never sounded more health good luck out there hope you are as successful as me beware when messing with clamps they will break be sure to properly seat all seals correctly or you will have a air leak be patient and you will see positive results i just did work on my truck estemated 15k worth of work i done the labor 1k dollars good luck guys keep a positive mind set fyi they can be pressure washed but thats hours cabt be done in 30 45 min take time and patience

[@user-sb8ip2ef3t]

Doing a forced regen the night before and pressure washing it works perfect, one can clearly see all the holes open up eventually I have Ancel obd scanner which has a function to test dpf blockage which reves up the engine to 2000 rpm and that would blow out what ever is remaining and you can feel the truck breath easy after that.

[@jesusdelcarmen8207]

I pressure wash mine and works out great ! Here in Cali you gotta pay between 600-700 to oven bake it . I only use 20 dlrs in coins at my local car wash!

[@beany1987]

So did the customer just pressure his dpf and that was it?? If so then yes that would be pointless, done mine off the car used both a 2 types of dpf cleaner 1 acidic and 1 alkaline, flushed it through many times with a garden hose and no had any problems with it at all. The flow pressure has dropped from 290mbar at 3k to 60 at 3k.

[@jorgehidalgo4792]

Where do you buy the two types of cleaner?

[@beany1987]

@jorgehidalgo4792 amazon or eBay for the wynns cleaner, the other is diluted brick acid, or you can use drain cleaner they both use sodium hypochloride. Drain cleaner doesn't need to be diluted, but the brick cleaner does. Just be carefull with any splashes and wear eye protection. It is not something you want on your skin.

[@beany1987]

@jorgehidalgo4792 also has been about a year now, and I checked the pressure on the dpf 2 weeks ago. It was reading 6mbar at idle and 50 at 3k rpm, so it cleaned it well and not had any issues since.

[@BlindBatG34]

$350-500 to do the job right is a no brainer.

[@moonk7578]

O

[@amxaas4450]

For people who have noidea what they're doing sure.... Suckered into I guess

[@zotomlinson1733]

I seen many do it and work perfectly so why would you downplay the cheaper route. I don't understand you dude.

[@filipandre2927]

Because he makes money of cleaning filters :P

[@fighter4christ7]

Just a thought off assumption. Possibly it didn’t go well for this customer, because the filter was beyond help. If you stay ahead of it and knock soot out periodically, will probably work out a lot better. To get a total cleaning though I’m sure you’re going to need that 1000 + degrees. You can only get the very loose and fine soot with a pressure washer. But that is better than none, can’t see why it wouldn’t help.

[@ryanrimmel6580]

No mechanic in their right mind would recommend deliberately doing a job the wrong way

[@GLopez8907]

Job security

[@andr3wbr1dg3s]

Just because it using a pressure washer failed this time doesn't make it a bad idea.

[@BrayanIvan]

Hey Ryan you should make a video about where diesel trucks are going in the future or like your thoughts about electric trucks and when or if they will take over diesel.

[@truckingandfixing]

Good suggestion! Thanks!

[@user-sb8ip2ef3t]

Before cleaning it do a forced regen then pressure wash it works like a charm, if you can’t do forced regen well might not be able to clean it good.

[@LmanTrojan1212]

Great videos per usual, could you make a video explaining modern electronics on trucks and what they control. Like the sam modules etcetera.

[@charlesimukonda]

Is it advisable to clean dpf with water which is not hot

[@Trtrucking79]

I have a 2016…. I pressured washed.. I went 70k miles….. now I’m doing it again….. hopefully I get another 70k miles..I can’t afford u🤷🤷

[@HMINawar]

Good day , I’ve maxxforce engine which exhaust brake is on after 5 min from starting and the only code is for dpf sensor , I’ve replaced the sensor and clean the dpf still the same

[@patringler]

the local KW dealer in Wichita ks quoted me $900 just to bake the DPF.

[@JS-jv6rg]

What method is going to cost you more than it's worth down the road? The water pressure or the take out your self and take it to get it baked?

[@charlesimukonda]

Where can I go and remove the dpf completely in Zambia?

[@reefermonster9651]

makunda auto zpair ask for gengai cochmeat

[@ericp2726]

If u have a def delete do u still have to clean DPF filters

[@BlessednFree]

Depends is the exhaust still connected to the DPF

[@calthorp]

I cooked mine in my wives oven overnight on high worked great, But now the cookies & baking taste kinda funny.

[@truckingandfixing]

🤣

[@rickyhodges9572]

No shit! 😂

[@nikoz4841]

I hope it was a joke. That crap is extremely toxic.. it collects oil additive package, and has to be disposed properly

[@alexlindekugel8727]

all this tells me is blow with air first get most of ash out then pressure wash till clean water comes out. probley did a 5 min wash on it and called it good.

[@PoptartGoneTrucking]

We took a BRAND brand new T880 kenworth with only 230K miles on it and straight piped it and it is extremely loud and rolls coal and even louder than the 6NZ pre emission in the other older kenworth and that one is not straight piped but it’s loud and it rolls coal too but the new kenworth we don’t use DEF fluid anymore and we have been stopped by DOT a couple times already and they have not put it out of service or anything but they were looking pretty hard at the truck being straight piped because nobody else has done that but we are burning more fuel it’s getting worse fuel mileage seems like 4 miles per gallon total but it’s making plenty of money and it’s not causing any problems the lights come and go on the dash so I hope this helps you out on your journey and we been watching you for years now but I never said anything to you until now but as far as the DEF FILTER we don’t even use it at all and the truck is able to run triple digits with no problems but we have gotten worse fuel mileage 💖💖💖 Poptart

[@Louis19699]

Nice story Mr. Rolling coal. Dot only have to vipe your tailpipe with the paper towels. Reading your post reminded me when my mother reading Andersen's Fairy Tales for me 50 year's ago . Please no response no need it. Post more stories trust me it's entertaining.✌️

[@Josb_Bluebird2143]

We have had good luck having our baked. Cost us like $275.

[@rev9fan1]

Its really worth cleaning them, how often should they be cleaned? I have a 2019 T680 with the X15 and it has 469k miles, i bought it in January, im not sure if its been cleaned. OTR Diag says its 73% ash load, KW told me it needs cleaned every 500k miles. If the filter can last that long, i would just rather replace it.

[@user-mn8lz7gf6d]

it's worth it.

[@josephmua9749]

Hey Ryan.this was a great video but I do have a question; how do u know your filter needs cleaning? Or is it just something u need to do every 250k miles?

[@Daniel-z2j2v]

It’s supposed to be on a maintenance schedule of so many miles but if you start getting frequent regens then time to clean or replace. Personally is replace cleaning doesn’t last as long then have to pay labor to take it off again

[@josephmua9749]

@user-zt6bt8dp2c I think I will come in and have u take a look.since I got this used truck from the dealer it has asked for regen just ones and it's almost a year now but I feel it regen a few times while on the move.i don't idle my truck.i prefer using other means to cooling and heating my body

[@carlosaguirre1313]

Thanks Ryan for that valuable information BEST REGARDS 21 August 2023 18:57 hours

[@carltrano1325]

Bet a hour of pre soak in zep 50 and that soot would not stand a chance of not coming out with a pressure washer.

[@youtubeisawesome2487]

just watched your short freeing up a bolt, one where is the bolt, two you show a osha violation using a torch next to a brake clean can,

[@bransonsurvivor765]

Not deleting your dpf when the gov gets to is the mistake

[@kelvinburns2415]

How can I send my stuff to u to b cleaned or do u know someone here? I'm in Tulsa Oklahoma

[@truckingandfixing]

You can ship it to us directly, we have people from other states send their dpf and one boxes to us all the time.

[@Daniel-z2j2v]

Personally I’d just replace the dpf it doesn’t last as long cleaning it as it doesn’t clean 100% then you’d have to pay labor to take it off again in short period of time.

[@ganbaa1312]

It's super expensive right?

[@Daniel-z2j2v]

@@ganbaa1312 not in the long run. I paid almost $500 to get mine cleaned with new gaskets and clamps only lasted around 120K miles then I had to replace with a brand new one for $2,200 plus gaskets. Did it myself. I think paces can wash them out supposably get it almost 100% clean have my old one might take it in and see how clean they can get it.

[@mjay6245]

​@user-zt6bt8dp2c why would you pay for that? Why not just get rid of it.

[@JasonCollette-eb8mw]

I boiled mine in a turkey fryer

[@jjjeddy]

Your costumer did it wrong so you say it can’t be done. Got it.

[@alextinpin3577]

Where are you located?

[@TaskForce860]

Where your address so we can bring the DPF to clean ?

[@truckingandfixing]

www.foxtruckandtractor.com/ 1120 high ave sw canton Ohio 44707

[@robpegs]

What company is going to say jetwash works when that's your business. And who just jetwashes the face of a dpf. It works if done correctly

[@gregburgess6884]

Thx guys

[@iamgroot1402]

Everytime I've called you guys for anything, yall was booked up for weeks smh😢

[@Armannortheast]

If you repair cost you $5500 one box that’s better get new one box just $6500 without dpf filter

[@TK-yj1gm]

Selling his cleaning machine

[@TheJensss]

$500 to fix something that shouldn't be on the truck in the first place... I rather remove the dpf and egr and have a healthy engine without problems

[@NormanHesseltine-r7e]

Keagan Route

[@mtgwdefender]

There are always tricks and hacks to do something. Well... Unless you are dealing with customers. I work for a company's fleet Dept. We use hot pressure washers, home-made blowers and especial technics to clean PDF's and DOC's. The company doesn't care if the filters come back 2 or 3 months later. The stupid drivers are going to idle the trucks anyway for a long time and clog up the filters again

[@kmg501]

If they are doing their own work they should just get the oven equipment to do it correctly. At least that way they will have less labor expense in the long run.

[@mtgwdefender]

@@kmg501 they don't want to spend the money on the oven

[@michaelsorrentino9279]

I think you showed your true color, calling the drivers stupid! Maybe management should know the way you feel.

[@serggla924]

Try not idling the truck when it’s 100 degrees outside or freezing. Yes it’s stupidity

[@mtgwdefender]

@@michaelsorrentino9279 you don't know what kind of driver are out there. You will be amazed!

[@howardmcdermott7087]

Your pressure washing it the wrong way genius... you need to only blow the water back twords where the exhaust entry would be otherwise your just packing particulates deeper into the filter

[@gregburgess6884]

👍

[@Somirdas007]

This dude was OO not long ago. Did something hit him in the head? 😯

[@jaycarter9489]

it is a funny opinion about what not to do to a def filter when the very reason there is a problem is the abuse the truck is taking to keep people warm or cool this being the only reason the def system would need to regen yet nobody says this out loud as def filter are a money maker for shops I bought a truck cheap and babied the system back to health by not idling not at all

[@automobidletechnician3387]

Hallo

[@howardmcdermott7087]

You recommended replacement because your lazy... clean it right.. mic drop

[@zotomlinson1733]

So, you charge $350 to clean verse pressure washing I disagree with you and so do others.

[@milkywaymanager9055]

This guy talks to much. LEARN TO GET TO THE POINT!!!

[@patrickziemke1412]

👍