Peterbilt 589 A/C drain line

Discussion in 'Peterbilt Forum' started by farmer mike, May 28, 2026.

  1. May 28, 2026 #1
    farmer mike

    farmer mike Bobtail Member

    11
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    Nov 26, 2012
    0
    Hello all, I recently got a 589. Now we have some hot weather so A/C would be running lots producing condensation. When truck gets back in shop floor is dry, worried the tub is plugged with dust like my 389 did. Were the heck does it drian? i must be blind. Carpet is still dry .

    Thanks Mike
     
    farmer mike, May 28, 2026
    farmer mike, May 28, 2026
    #1
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  3. May 28, 2026 #2
    bad-luck

    bad-luck Road Train Member

    3,498
    6,472
    Nov 16, 2013
    Baltimore, Maryland
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    Generally all tractor a/c systems have a drain coming out of the firewall where on the passenger side of the truck. Look for the drain hoses, it should be dripping if the a/c is on
     
    bad-luck, May 28, 2026
    bad-luck, May 28, 2026
    #2
  4. May 28, 2026 #3
    bad-luck

    bad-luck Road Train Member

    3,498
    6,472
    Nov 16, 2013
    Baltimore, Maryland
    0
    Generally all tractor a/c systems have a drain coming out of the firewall where on the passenger side of the truck. Look for the drain hoses, it should be dripping if the a/c is on
     
    bad-luck, May 28, 2026
    bad-luck, May 28, 2026
    #3
    farmer mike Thanks this.
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