Volvo isx15 A/C issue

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by pete159, Jul 11, 2021.

  1. pete159

    pete159 Light Load Member

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    Dec 6, 2008
    mississauga
    0
    My cab AC does not blow very hard for long I have to turn off AC ond recirculation and crank the fans for a few minutes then turn the AC back on. Also there's lots of water dripping out the bottom of the truck and more than normal. I changed both the cab and bunk air filters. The water leaking is coming from somewhere behind where I am pointing not those two pipes
     

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  3. ibcalm19

    ibcalm19 Road Train Member

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    Nov 30, 2015
    Pennsylvania
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    More than likely your heater core is leaking. You have to have the housing removed to see where it is leaking from.
     

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  4. Bakerman

    Bakerman Road Train Member

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    Jan 27, 2013
    Phoenix, AZ
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    Behind those two pipes is a rubber drain plug, make sure that it is not clogged up.
     
  5. Nss

    Nss Light Load Member

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    Jul 5, 2021
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    System is low on refridgerant, works for a bit, freezes up, then when you shut off a/c thaws out a bit and drains hvac box.
     
  6. Nss

    Nss Light Load Member

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    Jul 5, 2021
    0
    No air flow across evaporator so no cool air out cab vents
     
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