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1998 9400 with a C15 AC Problems

Discussion in 'International Forum' started by kandbtransport, Jun 19, 2013.

  1. Jun 19, 2013 #1
    kandbtransport

    kandbtransport Bobtail Member

    2
    1
    Jun 19, 2013
    0
    OK I have a problem it's blowing ice cold out of the start of the blower motor I just replaced that blower motor. It's like 36 degrees at the start and by the time it makes it to the drivers side it's like 70 just a little cool and not really cooling the truck down on high. What does it sound like to you? The Freon is all charged no leaks no where.
     
    kandbtransport, Jun 19, 2013
    kandbtransport, Jun 19, 2013
    #1
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  3. Jun 19, 2013 #2
    morr2fab

    morr2fab Medium Load Member

    338
    110
    Oct 3, 2012
    0
    Your truck should have a air filter for cab, both inside air and outside air. May need to check those. Also wouldnt hurt to have a PRO (spend the money and enjoy the honey) check the freon again. Low freon level will cause the bottom of the evaperator to be colder than the top. By as much as 50 degrees. Good luck.
     
    Last edited: Jun 19, 2013
    morr2fab, Jun 19, 2013
    morr2fab, Jun 19, 2013
    #2
  4. Jun 19, 2013 #3
    jameslawton

    jameslawton Light Load Member

    257
    65
    May 1, 2013
    Tulsa OK
    0
    also check the tubing behind the dash they can split and you will loose alot of flow and if dash is black putting a carpet on the dash will make a big diff
     
    jameslawton, Jun 19, 2013
    jameslawton, Jun 19, 2013
    #3
  5. Jun 19, 2013 #4
    poppapump1332

    poppapump1332 Road Train Member

    2,987
    2,465
    Jan 2, 2010
    birdsboro,pa
    0
    Check the duct work going to the vents might be falling apart
     
    poppapump1332, Jun 19, 2013
    poppapump1332, Jun 19, 2013
    #4
  7. Jun 19, 2013 #5
    cetanediesel

    cetanediesel Medium Load Member

    470
    186
    Mar 26, 2013
    Albany, NY
    0
    Are your heater lines turned off?
     
    cetanediesel, Jun 19, 2013
    cetanediesel, Jun 19, 2013
    #5
  8. Jun 19, 2013 #6
    kandbtransport

    kandbtransport Bobtail Member

    2
    1
    Jun 19, 2013
    0
    I had a pro look at it and he is scratching his head. We put one of the newest Hi Tech AC machines thats shows everything and it's showing everything normal. The only thing we have not done is tore into the duct work.. Yes heater lines are off.
     
    kandbtransport, Jun 19, 2013
    kandbtransport, Jun 19, 2013
    #6
    cetanediesel Thanks this.
  9. Jun 19, 2013 #7
    morr2fab

    morr2fab Medium Load Member

    338
    110
    Oct 3, 2012
    0
    I did ac work (Thats why I wrote"PRO") so without looking at your truck I dont know. Hope you find the problem. Happy Trucking
     
    morr2fab, Jun 19, 2013
    morr2fab, Jun 19, 2013
    #7
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