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Volvo d12 blowing egr pipe !!!!

Discussion in 'Volvo Forum' started by Johnhx491, Feb 17, 2018.

  1. Feb 17, 2018 #1
    Johnhx491

    Johnhx491 Bobtail Member

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    Feb 17, 2018
    0
    Hi everyone I've have big issue with egr pipe, it keeps blowing last week I changed it 5 times, 3 times in dealerships, they saying everything with the truck is ok, but obviously not! Before it started blowing it I changed egr cooler, also when it runs sometimes low coolant level light goes on and engine shuts off, when I start it again it's ok, idk if it's related, I asked around and everybody is saying the pipe brakes from vibration, pressure is not a reason, so even the egr cooler is clogged it shouldn't brake, my egr1 is disabled now and the pipe broke again it's not making noise but it brakes it even when egr is unplugged!!!
    Please share any thoughts

    Thank you
     
    Johnhx491, Feb 17, 2018
    Johnhx491, Feb 17, 2018
    #1
    KB3MMX and Pman45 Thank this.
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  3. Feb 17, 2018 #2
    nasriza

    nasriza Road Train Member

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    Feb 1, 2013
    Chicago, IL
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    check to make sure all egr cooler nuts and holders are on properly most of the time these brackets break the holders or they dont put the bolts back even the proper support in the front, and they keep breaking pipes, so make sure all connections that connect egr cooler to the valve cover the top brackets and all are there properly also there is one bracket in the front as well that you need to make sure it's on.
     
    nasriza, Feb 17, 2018
    nasriza, Feb 17, 2018
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  4. May 20, 2018 #3
    D12 Owner

    D12 Owner Bobtail Member

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    Apr 16, 2018
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    A blocked egr cooler should not blow a tube.
     
    D12 Owner, May 20, 2018
    D12 Owner, May 20, 2018
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    KB3MMX Thanks this.
  6. Jan 13, 2019 #5
    ChicagoCDL

    ChicagoCDL Bobtail Member

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    Jan 13, 2019
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    Hi

    We’re u able to find out why it keep breaking
    We’re having the same the problem
     
    ChicagoCDL, Jan 13, 2019
    ChicagoCDL, Jan 13, 2019
    #5
    KB3MMX Thanks this.
  7. Jan 13, 2019 #6
    benrab

    benrab Medium Load Member

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    Apr 5, 2015
    Quebec ,Canada
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    On a D-12D engine there is a square aluminum block on the top at front end of the EGR cooler that part is EGR DAMPER make sure that part still there if so remove it (2 bolts) and shake it with your hands you probably feel a loose inside.
    According to Volvo (Service At Glance)That part need to be change after some miles.
    Hope it can help for your situation.
    Ben
     
    benrab, Jan 13, 2019
    benrab, Jan 13, 2019
    #6
    KB3MMX and QUALITYTRUCK Thank this.
  8. Jan 14, 2019 #6
    KB3MMX

    KB3MMX Road Train Member

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    Good to know, thanks Ben!
     
    KB3MMX, Jan 14, 2019
    KB3MMX, Jan 14, 2019
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    benrab Thanks this.
  9. Jan 14, 2019 #7
    nasriza

    nasriza Road Train Member

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    Feb 1, 2013
    Chicago, IL
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    most of the time i have seen these pipes break its' one of the two things either damper is bad or the other part is that the egr cooler or the egs are not mounted with the proper bolts and they are not getting held on properly causing things to move around.
     
    nasriza, Jan 14, 2019
    nasriza, Jan 14, 2019
    #7
    benrab and KB3MMX Thank this.
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