How long does an air dryer cartridge last?

Discussion in 'Ask An Owner Operator' started by 77fib77, Aug 3, 2020.

  1. 77fib77

    77fib77 Road Train Member

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    I replaced mine 5 months ago. I changed it today, it was pretty heavy.

    Three times the last month. Air pressure would stop building at 50 psi. Or it would build to 130. Then it would drop to 50 and really struggle to get back up. I changed the governor last week thinking that was it. But this morning I didn't get more than a mile. So now I have a new cartridge.
     
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  3. BoxCarKidd

    BoxCarKidd Road Train Member

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    I do not know. A company I used to work for replaced them every 250,000 miles or two years.
    There are a lot of different dryers out there anymore. Oil in the system throughes everything out the window.
     
  4. Dale thompson

    Dale thompson Road Train Member

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    Cartridge life is dependent on many factors,total air consumption being the biggest variable.
     
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  5. AModelCat

    AModelCat Road Train Member

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    I'd imagine if you operated in high humidity areas it would have a shorter lifespan.

    Oil wrecks the dessicant in the cartridge. Alcohol will damage it too. If you ever have to put air brake antifreeze or alcohol in the air system, put it in after the dryer.
     
  6. 77fib77

    77fib77 Road Train Member

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    Diesel?

    Where does the air come from in the compressor? In my isx it came near the Cross over egr pipe. My dd15, I'm not sure. The compressor is burried under the dog house. Hard to see what feeds it.
     
  7. uncleal13

    uncleal13 Road Train Member

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    I change mine every fall. Make sure your air tanks are drained.
    Modern trucks require the oil coalescing filter.
     
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  8. Midwest Trucker

    Midwest Trucker Road Train Member

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    Once per year. Really they should last longer. It’s when your air compressor gets old that you have to replace more often.

    it’s a precursor to having to replace it the air compressor.
     
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  9. 86scotty

    86scotty Road Train Member

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    I forgot about mine for about 200k. It was fine.
     
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  10. Elroythekid

    Elroythekid Road Train Member

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    Sounds like your compressor is passing oil. Cut the cartridge open and see what's in it. If its oily, time for a compressor.
     
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  11. danny23tx

    danny23tx Road Train Member

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    Once a year , It's time to change here soon . Thx for the reminder.
     
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