Need a little help with a 08 6.7 and DPF

[CBari]

I have followed along enough about the 6. 7 to be dangerous. I have a friend that has an 08 6. 7 with just shy of 103k and his DPF is full and won't regenerate dealer told him he needs new DPF and no help on warranty. Needless to say he and his family will not be buying anything else from this dealer.



What are his options for getting a DPF other than dealer.



Now as to the delete option truck is stock with six speed and dual disk clutch can the delete option be done with out turning the truck up.



I know some of you may not want to discuss deletes openly. Feel free to pm with options that have worked well for you need education in this arena.

 

[E7mack96]

at some point the dpf has to be taken out and serviced. They all need it at some point. They should send it out and it is professionally cleaned and re-installed unless it is damaged or contaminated. Then, he would need a brand new one.

 

[mwilson]

I checked on this last year and I could not find anyone that can clean them at a DPF facility. There are methods on here that have had sucess, just search "DPF cleaning".



It is a real shame that Cummins and/or Ram elected to go with a DPF that can not be taken apart and cleaned or have the center element replaced with a reman unit like the same exact engine in a Freightliner would have.

The RAM approach is completely wrong on a working vehicle designed to go a half million miles or further.

Then scratch their heads wondering why everyone wants to remove them..... sheesh.....



Mike.

 

[E7mack96]

So if they are not serviceable on the ram, what is the expected life?

 

[JHumphries]

I checked on this last year and I could not find anyone that can clean them at a DPF facility. There are methods on here that have had sucess, just search "DPF cleaning".

It is a real shame that Cummins and/or Ram elected to go with a DPF that can not be taken apart and cleaned or have the center element replaced with a reman unit like the same exact engine in a Freightliner would have.
The RAM approach is completely wrong on a working vehicle designed to go a half million miles or further.
Then scratch their heads wondering why everyone wants to remove them..... sheesh.....

Mike.

Could the Freightliner unit be installed on our trucks? That would help out for the next time it needs cleaned.

 

[firemansdiesel]

If your friend lives in an area with no smog testing. Then purchase a DPF delete pipe and EFI tuning, or hallow out the center of his Nox and DPF filters since the life span is up to save a little money for a DPF delete pipe, but still need a tuner to shut off the regen.

One of the better EFI tuners out there. http://www.anarchydieseltuning.com/

 

[mwilson]

Could the Freightliner unit be installed on our trucks? That would help out for the next time it needs cleaned.

Well here is the twisted story about that...



It is in reality a Cummins DPF unit that is used on Freightliner, Sterling and Western Star Cummins powered trucks. So it is a Cummins part installed to the truck builders preference. Makes it a little interesting when you are trying to track down a sensor... ... ... finger pointing ensues as to who put it on.



In spite of my whining I believe that size was the factor in using the one piece unit on the RAM trucks, but I feel it could still be engineered with removable ends to facilitate cartridge replacement or cleaning.



I don't have a picture of the Freightliner one handy, I'll see if I can locate one tomorrow.



Mike.

 

[sag2]

Unless the truck is modified and building lots of excess soot it should not be full at 100k. The useful life should be closer to 185k. Before I spent 2k on a DPF I would would want to see the screen shots from wi-Tech showing the last regeneration and the soot load in grams. It is more likely your friend has a broken truck (modified, bad injector, bad EGR etc. ) than the DPF is really full.

There may be some difference in interpretation as the dealer might be saying it is full of soot (lifespan exceeded) when he really means it is face loaded (inlet plugged from excess soot). Have your friend remove the DPF and look at the inlet side. If it is white and you can see the honeycomb the dealer might be correct, if it is coal black and loaded with soot it is "plugged" but most likely not full.

In the early days of DPF when they were in short supply many dealers washed them out with water (of coarse observing all EPA requirements) so the truck would run enough to fix the problem that was causing excess soot. Once repaired and the DPF could flow again the truck would do a normal regen.

 

[Seane1987]

Here is a pic of a DOC/DPF and an SCR catalyst on a FTL M2 with an ISB. They are a bit bigger than the dodge unit

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[mwilson]

Thanks for the M2 picture, I have been stuck working from home and don't have my normal access to a lot full of trucks. That looks huge but the RAM system is almost that big. They have a package that fits where the right hand fuel tank is, the DPF and SCR are stacked one on top of the other.





This DPF on the 2013 RAM is big enough to accept the clamp and cartridge system in my opinion.....

Mike.

 

[JHumphries]

Thanks for the M2 picture, I have been stuck working from home and don't have my normal access to a lot full of trucks. That looks huge but the RAM system is almost that big. They have a package that fits where the right hand fuel tank is, the DPF and SCR are stacked one on top of the other.


This DPF on the 2013 RAM is big enough to accept the clamp and cartridge system in my opinion.....

View attachment 85774

Mike.

But that would increase the cost and decrease the likelihood of trading up!

 

[HBarlow]

EB reported several years ago the DPF on his cab and chassis was full at about 225k miles. I think he said the dealer's price for a replacement DPF was about $2500 at the time. Perhaps the aftermarket or an internet discount dealer parts outlet offers a cheaper solution now.

 

[Jim W]

Have him look at this site; http://www.cumminsforum.com/forum/ .

Someone on this site is always looking for some to buy a used deleted DPF filter. Some have sold them as low as two to three hundred dollars each. Once they delete the DPF they do not want to store them and are looking at scrap dealers to but them. So if he needs a used DPF he might be able to score one from the above listed site.
Jim W.

 

[Bob V]

I would check Craigslist in your area, I see them all the time from low mileage trucks. There are ALWAYS some for sale on the Cummins forum. Personally I would delete.

 

[CBari]

He ended up deleting. Thanks for the help and advice.

 

[gearhead1977]

still got to have someone use starmobile on it and reset timers, they will throw a code because timer ran out. so if u rinse it just make sure you reset timers and do a running regen. some of the sterlings had a 2 piece ATD ( DPF unit) but not alot. We see the crankcase element plugged so it sucks alot of oil into exh thats our most common find. Idling them for excessive time should be avoided just turn on auto elevate.