International 9900 Fan turning on a lot

Discussion in 'International Forum' started by Dadetrucking305, May 10, 2021.

  1. Dadetrucking305

    Dadetrucking305 Heavy Load Member

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    This is happening while driving.
     
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  3. God prefers Diesels

    God prefers Diesels Road Train Member

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    You could be low on freon then.
     
  4. Hammer166

    Hammer166 Crusty Information Officer

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    It could also be dirty cab air filters, reduced air flow across the evaporator will cause higher pressure.
     
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  5. Dadetrucking305

    Dadetrucking305 Heavy Load Member

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    I purchased one of those bottles from Oreilly’s and when I put the gauge on the line it showed in the green area so I added a bit more till it was almost in the yellow zone.
     
    Last edited: May 16, 2021
  6. Dadetrucking305

    Dadetrucking305 Heavy Load Member

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    There are times that I’m timing it at 6 seconds in between it kicking on and off.
     
  7. Dadetrucking305

    Dadetrucking305 Heavy Load Member

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    This is happening now.
     

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  8. Hammer166

    Hammer166 Crusty Information Officer

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    Run a coat hanger up the drain tube if you're not running water out the drain
     
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  9. Dadetrucking305

    Dadetrucking305 Heavy Load Member

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    It’s definitely puddling up under the truck.
     
  10. Dino soar

    Dino soar Road Train Member

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    Was your air conditioning working properly before you added more to it? Is your air conditioning working properly since you added more?

    I don't know anything about those gauges that come with the cans but I think if you put too much refrigerant into your system it will cause a higher pressure and make your fan come on more often.
     
  11. Dadetrucking305

    Dadetrucking305 Heavy Load Member

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    It was coming on more than normal before the can.
     
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