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Volvo d12 air leak sound from egr

Discussion in 'Volvo Forum' started by Zeeny, Dec 24, 2013.

Page 1 of 3
  1. Dec 24, 2013 #1
    Zeeny

    Zeeny Light Load Member

    54
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    Nov 16, 2013
    0
    Hi guys I have a Volvo d12 and sometimes you hear a really loud air sound from around the egr area,kinna like when you hit the gas on a truck that's got a cac leaking bad,as soon as you touch the pedal it stops.anyone ever experience anything like this thanks
     
    Zeeny, Dec 24, 2013
    Zeeny, Dec 24, 2013
    #1
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  3. Dec 24, 2013 #2
    bad-luck

    bad-luck Road Train Member

    3,023
    5,437
    Nov 16, 2013
    Baltimore, Maryland
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    Sounds like the egr may not be closing all the way
     
    bad-luck, Dec 24, 2013
    bad-luck, Dec 24, 2013
    #2
  4. Dec 24, 2013 #3
    Zeeny

    Zeeny Light Load Member

    54
    1
    Nov 16, 2013
    0
    Just replace it,there's no codes coming up and there both new
     
    Zeeny, Dec 24, 2013
    Zeeny, Dec 24, 2013
    #3
  5. Dec 24, 2013 #4
    Zeeny

    Zeeny Light Load Member

    54
    1
    Nov 16, 2013
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    And also does it cause any damage if you run it like that
     
    Zeeny, Dec 24, 2013
    Zeeny, Dec 24, 2013
    #4
  7. Dec 25, 2013 #5
    bravoo67

    bravoo67 Light Load Member

    252
    34
    Mar 15, 2012
    Brooklyn NY
    0
    if you hear air leak it might be broken air cable "pipe" between EPG and its control valve!
     
    bravoo67, Dec 25, 2013
    bravoo67, Dec 25, 2013
    #5
  8. Dec 25, 2013 #6
    bravoo67

    bravoo67 Light Load Member

    252
    34
    Mar 15, 2012
    Brooklyn NY
    0
    but only when it engages EGRS and EPG ,, when clutch or gas pedal pressed it stops!!
     
    bravoo67, Dec 25, 2013
    bravoo67, Dec 25, 2013
    #6
  9. Dec 25, 2013 #7
    bravoo67

    bravoo67 Light Load Member

    252
    34
    Mar 15, 2012
    Brooklyn NY
    0
    no damage to engine at all just no FIRST level of engine brake and EPG wouldnt close for EGRs to cycle so its even better for engine as well lol

    EPG is engine pressure governor so u know
     
    bravoo67, Dec 25, 2013
    bravoo67, Dec 25, 2013
    #7
  10. Dec 25, 2013 #8
    bravoo67

    bravoo67 Light Load Member

    252
    34
    Mar 15, 2012
    Brooklyn NY
    0
    I meant: EGRs would still close( its not about EGRS) just EPG wouldnt close and fumes wouldnt go back that much to the engine.. :)
     
    bravoo67, Dec 25, 2013
    bravoo67, Dec 25, 2013
    #8
  11. Dec 26, 2013 #9
    bravoo67

    bravoo67 Light Load Member

    252
    34
    Mar 15, 2012
    Brooklyn NY
    0
    Had the same problem on D12 .. there are two sections to air cable: one is soft and the other one is regular metal pipe.. "cable" goes around back part of the engine on the head level
     
    bravoo67, Dec 26, 2013
    bravoo67, Dec 26, 2013
    #9
    Zeeny Thanks this.
  12. Dec 26, 2013 #10
    Zeeny

    Zeeny Light Load Member

    54
    1
    Nov 16, 2013
    0
    Thank you man I really appreciate the reply,your in Brooklyn,I'm in Staten Island,you have any ideas on how not to deal with these dam ergs lol,the wierd thing is it doesn't do it all the time,and also 1 question,on most d12 I see two cables connected to the top of the intake manifold mine don't have any what are they for
     
    Zeeny, Dec 26, 2013
    Zeeny, Dec 26, 2013
    #10
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