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Bulging Radiator hoses

Discussion in 'Volvo Forum' started by dphillips, Feb 19, 2017.

  1. Feb 19, 2017 #1
    dphillips

    dphillips Light Load Member

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    May 14, 2013
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    I have a 2007 Volvo 670 with a Cummins 870 And 3 of my hoses are larger then they should be I had it dot'd and the guy pointed it out to me and said it may be my compressor going bad and pushing to air through the system. I've had this truck for 4 1/2 years and it has always built air slow in the morning I've changed the governor twice still the same thing. it takes about 4 minutes on regular idle .once it's over 100 psi everything normal
     
    dphillips, Feb 19, 2017
    dphillips, Feb 19, 2017
    #1
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  3. Feb 19, 2017 #2
    TruckerPete1990

    TruckerPete1990 Road Train Member

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    If you are pushing air into the Coolant you will be blowing coolant out of the Coolant tank... A Slow building system could be a lot.. Is the EGR system still hooked up? Do you have ANY air leaks? How cold is it in the Morning? Did you ever replace your Air dryer filter?...
     
    TruckerPete1990, Feb 19, 2017
    TruckerPete1990, Feb 19, 2017
    #2
  4. Feb 19, 2017 #3
    dphillips

    dphillips Light Load Member

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    May 14, 2013
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    I changed the whole Air Dryer twice it's always built air slow. my fill line on the tank is half way up the tank and after about an hour the tank is full I just figured that to be normal and the EGR is still hooked up and it builds slow summer winter spring or fall thanks.
     
    dphillips, Feb 19, 2017
    dphillips, Feb 19, 2017
    #3
  5. Feb 19, 2017 #4
    Diesel Dave

    Diesel Dave Last Few of the OUTLAWS

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    Simple fix, Replace them.
     
    Diesel Dave, Feb 19, 2017
    Diesel Dave, Feb 19, 2017
    #4
    KB3MMX and Dave_in_AZ Thank this.
  7. Feb 19, 2017 #5
    cnsper

    cnsper Road Train Member

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    Could just be old hoses that are due to be replaced before they burst.
     
    cnsper, Feb 19, 2017
    cnsper, Feb 19, 2017
    #5
    KB3MMX, Dave_in_AZ and Diesel Dave Thank this.
  8. Feb 19, 2017 #6
    NCT_PA

    NCT_PA Light Load Member

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    Jan 16, 2011
    Chambersburg, PA
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    I have been told it is normal that a Cummins compressor is slower than you would expect.

    Could just be bad hoses.
     
    NCT_PA, Feb 19, 2017
    NCT_PA, Feb 19, 2017
    #6
  9. Feb 19, 2017 #7
    TruckerPete1990

    TruckerPete1990 Road Train Member

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    Could have carbon build up on the compressor outline
     
    TruckerPete1990, Feb 19, 2017
    TruckerPete1990, Feb 19, 2017
    #7
  10. Feb 19, 2017 #8
    me myself and I

    me myself and I Heavy Load Member

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    vernon hills,Il
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    Likely you need new compressor. As I understand carbon builds in compressor head and valves never close ( or open) all the way.
     
    me myself and I, Feb 19, 2017
    me myself and I, Feb 19, 2017
    #8
  11. Feb 19, 2017 #9
    swaan

    swaan Road Train Member

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    Lol
    Or you just need new hoses like others have said already.
     
    swaan, Feb 19, 2017
    swaan, Feb 19, 2017
    #9
    cabwrecker and Diesel Dave Thank this.
  12. May 1, 2017 #10
    KB3MMX

    KB3MMX Road Train Member

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    Coolant hoses swell and soften with age.

    Sounds like yours need replaced before they burst causing a tow bill.
     
    KB3MMX, May 1, 2017
    KB3MMX, May 1, 2017
    #10
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