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Mack A/C controls

Discussion in 'Mack Forum' started by chalupa, Jun 18, 2011.

  1. Jun 18, 2011 #1
    chalupa

    chalupa Road Train Member

    3,757
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    Jul 22, 2010
    Houston,Texas
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    I'm having a problem with the fan switch on my CH. Question is do I have to change the entire slide control or can you extract the switch itself from the cluster??

    Tks...
     
    chalupa, Jun 18, 2011
    chalupa, Jun 18, 2011
    #1
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  3. Oct 30, 2011 #2
    gabbyjoe

    gabbyjoe Bobtail Member

    5
    1
    Oct 30, 2011
    Hazleton, Pa.
    0
    I have (2) 2007 mack granite cv713 tri-axle dump trucks and I was having a problem with the fan switch and the lights on the heater air conditioner control panel on one truck. This is one complete panel and has to be replaced as one. I just replaced mine at a cost of $196.00.
     
    Last edited: Oct 30, 2011
    gabbyjoe, Oct 30, 2011
    gabbyjoe, Oct 30, 2011
    #2
  4. Nov 1, 2011 #3
    Kmack771

    Kmack771 Bobtail Member

    7
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    Oct 31, 2011
    Fort Myers, FL
    0
    If your CH is pre-2001, you can replace the switch only. I think its about $22.00. If it is post 2001, then like the above post states you have to buy the entire assembly, and yhea, they are about $ 200.00.
     
    Kmack771, Nov 1, 2011
    Kmack771, Nov 1, 2011
    #3
  5. Nov 5, 2011 #4
    chalupa

    chalupa Road Train Member

    3,757
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    Jul 22, 2010
    Houston,Texas
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    I'm wondering, the HVAC on this dog is a joke by design....with the cable under the hood to a valve gig and the evap sitting next to heater core. I can't imagine what the design guys were thinking on this one.
     
    chalupa, Nov 5, 2011
    chalupa, Nov 5, 2011
    #4
  7. Nov 5, 2011 #5
    poppy

    poppy "I Love that Cushaw Pie"

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    Jul 31, 2007
    ky
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    probably the same guy that designed the seats, pure evil.:biggrin_25513:
     
    poppy, Nov 5, 2011
    poppy, Nov 5, 2011
    #5
  8. Nov 7, 2011 #6
    Kmack771

    Kmack771 Bobtail Member

    7
    0
    Oct 31, 2011
    Fort Myers, FL
    0
    The cable is the heater control cable. As long as that functions properly, it will shut off the hot coolant going into the engine and not interfere with the cooling of the evaporator core.
     
    Kmack771, Nov 7, 2011
    Kmack771, Nov 7, 2011
    #6
  9. Nov 8, 2011 #7
    chalupa

    chalupa Road Train Member

    3,757
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    Jul 22, 2010
    Houston,Texas
    0
    Copy the supposed to...... uhm while we're doing q&a ( I'm still waiting 4 u on my air ride) Those pesky lil air hoses to the HVAC control that operate the vent doors, How do I unhook them from the control ? They seem to have a barb and a O ring on them.

    And the micro switch that supposed to drop out the a/c comp in heat mode, not working. Can you get this guy or is it part of the control?

    Tks....
     
    chalupa, Nov 8, 2011
    chalupa, Nov 8, 2011
    #7
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