348 - Horn Air Pump | FerrariChat
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348 Horn Air Pump

Discussion in '348/355' started by ChoonHound, May 19, 2025.

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  1. ChoonHound

    ChoonHound Formula 3

    May 13, 2022
    2,221
    Saint Michaels, MD
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    Lucas
    #1 ChoonHound, May 19, 2025
  2. Qavion

    Qavion F1 World Champ
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    Feb 20, 2015
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    Ian Riddell
    #2 Qavion, May 19, 2025
    So the relay, fuse and wiring are ok?
     
  3. ChoonHound

    ChoonHound Formula 3

    May 13, 2022
    2,221
    Saint Michaels, MD
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    Lucas
    #3 ChoonHound, May 19, 2025
    It works, it’s just weak. The pump has that sound of a dog when it’s slow-woofing — if that’s makes sense — and the horns are weak commensurately.
     
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  4. Qavion

    Qavion F1 World Champ
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    Ian Riddell
    #4 Qavion, May 19, 2025
    I suppose there might be a slight chance that the full voltage is not reaching the pump, but you're probably right.
     
  5. ChoonHound

    ChoonHound Formula 3

    May 13, 2022
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    Lucas
    #5 ChoonHound, May 19, 2025
    Definitely possible. We’re gonna hook it directly to a battery to see.
     
  6. Alden

    Alden F1 Rookie
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    Apr 25, 2010
    3,602
    Central Florida
    #6 Alden, May 19, 2025
    Did you try lubricating the pump by spraying lube in the inlet while operating the pump?
    I know that this is a recommended maintenance item. Not sure exactly what lube is recommended , but I used silicone spray, and it worked great and I got a lot more volume out of my horns.
    Disconnect the outlet and put a rag over it to catch the lube that will spray out when you do this.
    Alden
     
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  7. ChoonHound

    ChoonHound Formula 3

    May 13, 2022
    2,221
    Saint Michaels, MD
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    Lucas
    #7 ChoonHound, May 19, 2025
    Good tip. Thanks.
     

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