DPF "melted" inside

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by subseaguru, Nov 17, 2017.

  1. subseaguru

    subseaguru Medium Load Member

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    I had my DPF cleaned last week and went roughly 100 miles when the regen required light came on. i was going through small towns so i figured i wasnt going fast enough long enough to regen. i pulled over and did a parked regen. it went for about 30 minutes and the lights went off. continuing down the road and onto the interstate no issues until the next morning after my delivery. regen light came back on but wouldnt do a parked regen. took it to peterbilt. they tried a regen and it wouldnt take. the error was "back pressure over recommended limits". peterbilt couldnt figure it out but said they think it was the sensor. they couldnt get to it but 2 techs said i could make it home with no issues. drove 4 hours. about 30 minutes from the local dealership, a message comes up saying "engine derate in 3 hours". today i got a call saying the filter was melted inside and couldnt be cored so i would have to buy a new one. ive asked around and called a dealership in another city and they said its possible that someone messed up during the dpf cleaning. Ive had one of the guys at the local dealership give me crap because i got the dpf cleaning. the gm said the guy was upset because he thinks im blaming them. has anyone had this happen or know why it might happen? i dont want to buy a $4000 filter just to have it happen again.
    2014 Cummins ISX15

    TIA
     
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  3. Justrucking2

    Justrucking2 Road Train Member

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    Rawze.com, or call Haggai Automotive and Diesel Repair in Griffin GA (678) 688-8107

    Haggai is the closest to you that I would trust. May want to do an EGR tuneup on the truck, google it, video series on what to do and what sensors to replace. Your DPF/DOC is toast from the sounds of it. Never heard of one melting, but cracking. Many times the cleaning process does not work, and you found that out. I am assuming you have the CM-2350? ISX... Call the number above and see if they can help you. And you do know about the fuel pump, right?
     
    Last edited: Nov 17, 2017
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  4. Dave_in_AZ

    Dave_in_AZ Road Train Member

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    What about the fuel pump?
     
  5. Dave_in_AZ

    Dave_in_AZ Road Train Member

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    Did they bake the filter? I know a guy with a 2010 I think it is, he's had it with service places, and washes his out in his back yard with a pressure washer. Said he's changed his EGR valve himself twice.
     
  6. subseaguru

    subseaguru Medium Load Member

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    Yes they did bake it for 12 hours and allowed for cool down before cleaning. I’ll give the guys above a call today and talk to them. Thanks for the info.
     
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  7. Justrucking2

    Justrucking2 Road Train Member

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    The fuel pump on the ISX CM-2250 and CM-2350 need to be rebuilt every 300,000 to 400,000 miles. They like to grenade and take out the motor. If not caught in time, and it is a very small window, the block can be destroyed, which is normally the case.

    If you ever see this... From Rawze.com... Read very carefully, there is much below to digest.

    He had 1 count of that infamous 559 fuel pressure code. -- "559-Injector Metering Rail 1 Pressure - Data Valid - Below Normal Operating Range - Moderately Severe Level"

    I stopped for a moment and thought,.. HMM,,... you only have the code when you try to make power,.. and it is that infamous code for a failing fuel pump,... and I said ...

    DUDE, YOU SHOULD BE IN PANIC MODE!!!!!


    That is the same exact symptoms and the same exact code you get when the fuel pump fails and IT DESTROYS THE ENTIRE ENGINE!!! -- He then replied,. the pump was checked a couple months ago. It looked great and it had the updated steel plungers. Nothing to panic over, it has already been taken care of ...

    Well,.. it is a good thing he had turned around, but in that 280 miles--- the damage was already done. This is what was found when the fuel pump came apart...

    Here is the metal shavings in the fuel filter...

    And here is the failed pump...

    The pump HAD THE STEEL PLUNGERS!!!


    > Now the engine has to come all apart, the oil pan is full of metal shavings, the oil pump is destroyed, the oil cooler full of metal, the oil thermostat full of metal, the filter bypass valve full of metal. The rod and main bearings will need to be replaced and a LOT OF DIFFICULT flushing of the entire oil flow passages through the entire engine have to be cleaned...-- WHAT A MESS!!!- A lot of the engine will have to be pulled apart to clean out this debris form that failed pump!.

    This guy would have not made it another 600 miles before the engine would have locked up, it totally destroyed -- YET AGIAN!

    This guy had an inframe by the stealershits done that was a complete hack-job a few months back. He then had to get it re-done by a SECOND stealershit to try to straighten it out, only to be charged for all new rockers and cam yet THEY PUT BACK THE OLD ONES THAT WERE DESTROYING THE NEW CAM!!!!

    Mr. Hag found his bad rockers and the guy even showed Mr. Hag the receipt where they charged him for all new rocker lever assemblies. -- OTHER TRIP to the stealershits to get the rockers replaced under warranty and many many arguments and the blame game later,.. he does not make it another month,,. and now this happens.

    Talk about having a bad day,... WOW! I feel bad for him. Now he has to have his engine taken apart YET AGAIN after all this. - What a mess.

    Havig a bad day. CM2350 fuel pump failure.
     
    Last edited: Nov 18, 2017
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  8. subseaguru

    subseaguru Medium Load Member

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    UPDATE:
    i went to peterbilt this morning and was told that the inside "might" be melted. monday they will pull the DPF and put in a new one to see if the truck will regen properly. Cummins engineers connected to the truck remotely and said that all the sensors are responding to feedback and commands.
    a few things i learned today. take them with a grain of salt;
    1. a $650 filter cleaning started all this chaos. a new filter costs $1100 with a good core exchange. after all this BS, that cleaning will cost me nearly $4k.
    2. my warranty on after treatment is complete SH@T!. they wanted oil change reports, oil sample reports, receipts for any oil additive added, fueling receipts, the list goes on. just seems like they dont want to pay.
     
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  9. Dave_in_AZ

    Dave_in_AZ Road Train Member

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    Of course they don't want to pay, but I think I'd still go through the process of gleaning all the paper they want.

    I guess my question is, if the dpf core is melted, is it a good core? And did that occur during the cleaning process? Because like you, I think I'd just opt for the new one to save the grief.
     
  10. subseaguru

    subseaguru Medium Load Member

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    im sending in all the paperwork they requested. the dealership says it has taken the warranty company as long a 14 days to pay. another O/O who has been in a hotel for a week now says his warranty is supposed to pay on monday for work that was completed earlier this week. i have to decide if waiting out weighs any potential loss of revenue. as far as when it happened, no one is saying. i had 2 dealerships associated with the local dealership say to take it back and have them fix it. on the plus side, i get a one year warranty through peterbilt for the new filter and the 2 sensors that were tested. silver lining??? maybe :)
     
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  11. Justrucking2

    Justrucking2 Road Train Member

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    Warranty aint worth spit, look at the grief they are putting you through right now. Go to Rawze.com, drop Rawze a line for an invite, or I can shoot him a text with your email if you pm it to me, or contact info. You need to learn the systems on your truck. Get an Inline 6 Reader off of eBay, one of the Hong Kong ones, get that and go from there. You will need to be able to diagnose the issues before they become real issues. Your truck is 70% computer and sensors, the rest is the easy stuff. If you don't know how to wrench, now is the time to learn. Trust me on that, the dealers will rob you blind and bury you financially. This is the 7th truck I have owned, the first with DPF/DOC/EGR, a 2008 ISX CM-871. I have never in my life worked on a truck to this extent. Prior to that, the non emission trucks, Gas, Tires and OIL. Not anymore, now it is a continual round the clock job. They have cheapened these trucks to the point of insanity to make up for the R&D to meet the EPA BS. Now we all pay, and it is not any fun. As I blow holes in my keyboard typing this... Get rid of the mandate and go from there. Trust me.
     
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