2006 KW W9 A/C

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by 325TahoeSS, Aug 30, 2019.

  1. 325TahoeSS

    325TahoeSS Light Load Member

    150
    71
    Feb 11, 2012
    Roma, Tx
    0
    my kw a/c WONT BLOW HARD AIR threw my vents! I changed the blower motor, cleaned & washed out the a/c coil & still can’t seem to get enough air threw the vents! If I change the position it will blow threw the defrost, floor it will all work just not enough air! I’m so feed up with not finding out why! I love my truck but two things that suck, A/C won’t blow hard & rides ruff as hell! Any ideas what I can do next?
     
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  3. AModelCat

    AModelCat Road Train Member

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    Jul 7, 2015
    Canuckistan
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    Did you clean the heater core too? What about cleaning between the evaporator and the heater core since I think they're stacked.
     
  4. 325TahoeSS

    325TahoeSS Light Load Member

    150
    71
    Feb 11, 2012
    Roma, Tx
    0
    I took the fan off & sprayed from the outside in. So no.... just the a/c coil. How should I get to the heater side?
     
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