Air Tank Drain question

Discussion in 'Trucks [ Eighteen Wheelers ]' started by stark21, Dec 24, 2010.

  1. Dec 24, 2010 #1
    stark21

    stark21 Light Load Member

    129
    5
    Jul 25, 2010
    Virginia Beach
    0
    on and old Mack I used to drive when I would pull the cord to check for water I would get oil coming out or atleast it looked like oil, black in color. question is should I have kept pulling the cord till it stopped spiting any liquid out and just air coming out.
     
    stark21, Dec 24, 2010
    stark21, Dec 24, 2010
    #1
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  3. Dec 24, 2010 #2
    davenjeip

    davenjeip Medium Load Member

    459
    257
    Dec 20, 2009
    Port Charlotte, Fl
    0
    When I drain mine, I drain it until it is totally empty of air.
     
    davenjeip, Dec 24, 2010
    davenjeip, Dec 24, 2010
    #2
  4. Dec 24, 2010 #3
    stark21

    stark21 Light Load Member

    129
    5
    Jul 25, 2010
    Virginia Beach
    0
    that's what I thought, didn't think there should be any liquid in there
     
    stark21, Dec 24, 2010
    stark21, Dec 24, 2010
    #3
  5. Dec 25, 2010 #4
    cmc

    cmc Bobtail Member

    11
    1
    Dec 23, 2010
    0
    Could be time to replace the air dryer cartridge. Excess oil could indicate a worn compressor.
     
    cmc, Dec 25, 2010
    cmc, Dec 25, 2010
    #4
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