2008 vn670 d13 compressor gear shaft

Discussion in 'Volvo Forum' started by Farah, Feb 28, 2016.

  1. Farah

    Farah Bobtail Member

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    Feb 25, 2016
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    Hi Guys My Compressor gear shaft have broken teeth, to the gear attached to the compressor.The mechanic took it out with the air compressor. He ordered new air compressor which arrived without the gear attached to it, he ordered the gear which will arrive tomorrow.
    He didn't test the air compressor and my question is, is it necessary to change both compressor/gear or just the broken gear. any advice/experience appreciated. Thanks'
     
    KB3MMX Thanks this.
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  3. nasriza

    nasriza Road Train Member

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    Feb 1, 2013
    Chicago, IL
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    Its necessary to do more than that, the mechanic needs to find out the exact damage this gear caused on the gear train and if anything else is messed up, did this happen cuz the compressor got stuck or is there another reason this happened if he puts it back and you start it up probably the new gear is going to get messed up as well
     
  4. letsgofast

    letsgofast Bobtail Member

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    May 9, 2013
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    More than likely the bull gear backed off and caused the air compressor gear to get chewed up like that. I'm guessing you heard the engine start to rattle like crazy when the compressor was building air. I'm in the middle of the same issue with a 2009 d13 with 650,000 miles
     
    KB3MMX Thanks this.
  5. letsgofast

    letsgofast Bobtail Member

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    May 9, 2013
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    its a common issue with the d13 pretty big job you have to pull trans, rear motor mounts and flywheel housing off
     
  6. letsgofast

    letsgofast Bobtail Member

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    May 9, 2013
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    If you are paying for this out of pocket i'm very sorry chances are if you caught it in time the compressor itself is ok mine is im just replacing the gear
     
  7. letsgofast

    letsgofast Bobtail Member

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    May 9, 2013
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    Have your mechanic reach in and grab the bullgear (which is what drives the air compressor) and wiggle it it should be tight with no play (they are set with .004 backlash) mine was very loose as in wobbled like crazy and rubbed against the flywheel housing pretty badly
     
  8. Volvo.2013

    Volvo.2013 Bobtail Member

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    Jun 17, 2018
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    Hii buddy can you please give me some information about did you change air compressor gear yourself or Mechmic did it??
     
  9. Volvo.2013

    Volvo.2013 Bobtail Member

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    Jun 17, 2018
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    Hii bro I need some information about did you change the air compressor gear yourself or mechanic did it because I need to change the air compressor but I don’t know how to take off the gear???
    Thanks
     
  10. Socal Xpress

    Socal Xpress Road Train Member

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    Los Angeles, Ca
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    @Volvo.2013 good luck
    letsgofast was last seen:

    Sep 18, 2017
     
    AModelCat Thanks this.
  11. nasriza

    nasriza Road Train Member

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    Feb 1, 2013
    Chicago, IL
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    remove the nut lift up compressor by gear and wack the shaft or use an extractor and it will pop out make sure you use locktite when you put it back and check the back gear.
     
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