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When the turbo gives out...

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Rocky64, Feb 17, 2011.

  1. Feb 17, 2011 #1
    Rocky64

    Rocky64 Medium Load Member

    358
    137
    Oct 3, 2010
    Greater Chattanooga
    0
    I drive a 2011 Cascadia, Detroit DT15 company truck. The truck requires def urea stuff. It currently has 51000 miles. The turbo just blew. Do you know what happens when you blow a turbo? Yeah, usually it pours black smoke out the exhaust stack. Not with a urea system. The urea system collects all that oil and smoke, then clogs up and requires a "full" rebuild. Probably is expensive too. We have been down for a week and still waiting on parts. This is a PITA on several different levels. All because of a turbo that used to be a 2 hr swap...
     
    Rocky64, Feb 17, 2011
    Rocky64, Feb 17, 2011
    #1
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  3. Feb 17, 2011 #2
    blanco

    blanco Road Train Member

    1,221
    296
    Nov 20, 2009
    Gwinnett County, GA
    0
    Dang.. keep us posted
     
    blanco, Feb 17, 2011
    blanco, Feb 17, 2011
    #2
  4. Feb 18, 2011 #3
    Rnz520

    Rnz520 Bobtail Member

    30
    8
    May 4, 2010
    Fredericksburg, VA, USA
    0
    keep us posted, very curious
     
    Rnz520, Feb 18, 2011
    Rnz520, Feb 18, 2011
    #3
  5. Feb 19, 2011 #4
    Pablo-UA

    Pablo-UA Road Train Member

    7,604
    1,642
    Oct 11, 2010
    Borispol, Ukraine
    0
    The urea catalistic converter is not so complex thing as you think. It is maze where exaust gas is kept with relitevially hight tempereture to keep reaction (at lower temparatures there is no Carbomide pirolysis reacion), but... on some trucks there is a soot filter built in converter. Mercedes makes it of something like a mineral wool, we used to throw it away. And we can see smoke at agressive acceleration. Fortunatly Mercedes put NOx sendor in exaust, but no smoke sensor and truck keeps running well
     
    Pablo-UA, Feb 19, 2011
    Pablo-UA, Feb 19, 2011
    #4
  7. Feb 20, 2011 #5
    Rocky64

    Rocky64 Medium Load Member

    358
    137
    Oct 3, 2010
    Greater Chattanooga
    0
    Discuss:

    [​IMG]

    [​IMG]

    [​IMG]

    over $11,000 in warranty work. the oil used to go out the stack in the form of smoke, now it goes thru your wallet...
     
    Rocky64, Feb 20, 2011
    Rocky64, Feb 20, 2011
    #5
  8. Feb 20, 2011 #6
    Nevs

    Nevs Light Load Member

    295
    107
    Dec 25, 2010
    flyover country (Iowa)
    0
    That doesn't look good at all!
     
    Nevs, Feb 20, 2011
    Nevs, Feb 20, 2011
    #6
  9. Feb 21, 2011 #7
    Pablo-UA

    Pablo-UA Road Train Member

    7,604
    1,642
    Oct 11, 2010
    Borispol, Ukraine
    0
    Hah, It is a soot filter) we had the same issues.

    As I know now SCR keeps workning w/o filter inside
     
    Pablo-UA, Feb 21, 2011
    Pablo-UA, Feb 21, 2011
    #7
  10. Feb 22, 2011 #8
    VARITHMS

    VARITHMS Medium Load Member

    476
    106
    Nov 26, 2009
    HOUSTON
    0
    Can you gut that thing and weld it back on with out throwing a code?
     
    VARITHMS, Feb 22, 2011
    VARITHMS, Feb 22, 2011
    #8
  11. Feb 23, 2011 #9
    Pablo-UA

    Pablo-UA Road Train Member

    7,604
    1,642
    Oct 11, 2010
    Borispol, Ukraine
    0
    you will get second NOx sensor code.

    I had to relocate this sensor, to keep it not in exaust gas, but in mix of fresh air and exaust gas. I did it on Actros MP3 with SCR. It was not so easy to find a place where I got no "change catalistic converter" message on dashboard.
     
    Pablo-UA, Feb 23, 2011
    Pablo-UA, Feb 23, 2011
    #9
    123456 Thanks this.
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