AirDog II Question? - Ford Powerstroke Diesel Forum
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post #1 of 6 Old 03-17-2011, 08:51 AM Thread Starter
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AirDog II Question?

I just picked up my truck after having an AirDog II 165 installed. It's Loud! You can hear the pump at idle as easily as you can here the engine. I thought that it would be loud at start then quiet down like the stock pump. Are they all like this? If so, is there a way to quiet it down?

2007 F-350 King Ranch Dually 6.0, Edge Insight, Turbo back 4" MBRP Dual Exhaust, Where's Kitty, Garrett Powermax Stage 1 Turbo, ARP Head Studs, Sinister EGR Delete Kit, AirDog II 165, SCT w/Custom Tunes, Upgraded Fuel Pressure Spring, 6.4 Banjo's, Zoodad w/Metal Screen, CFM Intake, Jobe Air Intake,CAT ELC Coolant, DieselSight Coolant Filtration System, NUC Oil Bypass, & Amsoil Everywhere.
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post #2 of 6 Old 03-17-2011, 09:01 AM
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Just be glad you dont have a fass!! Its just the nature of the pump. If its sucking air or laboring hard it will be louder. How much fuel is in the tank?


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post #3 of 6 Old 03-17-2011, 10:35 AM Thread Starter
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Just filled it up and it sounds the same. Do you think there might be a restriction?

2007 F-350 King Ranch Dually 6.0, Edge Insight, Turbo back 4" MBRP Dual Exhaust, Where's Kitty, Garrett Powermax Stage 1 Turbo, ARP Head Studs, Sinister EGR Delete Kit, AirDog II 165, SCT w/Custom Tunes, Upgraded Fuel Pressure Spring, 6.4 Banjo's, Zoodad w/Metal Screen, CFM Intake, Jobe Air Intake,CAT ELC Coolant, DieselSight Coolant Filtration System, NUC Oil Bypass, & Amsoil Everywhere.
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post #4 of 6 Old 03-17-2011, 11:16 AM
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Their mounting system is the culprit. It sandwiches the frame between 2 metal plates so all the pump noise and vibration is channeled into the frame and amplified. I had the same issue and it drove me nuts. I took the stock mount apart and dumped the side that doesn't have the pump mounted to it and got rid of it. I went to Lowes and got a 4" rubber pipe coupling and cut it top to bottom so I could open it up flat. I put that between the frame and the other pump mounting plate, drilled 2 holes through it and the frame and bolted it down. No more noisy pump.
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post #5 of 6 Old 03-17-2011, 11:34 AM Thread Starter
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It's driving me nuts too. I'll have to get under the truck to see exactly what you are explaining. Anyway, it's good to know that the sound can be dampened with a rubber insulator between the AirDog mount and truck frame. Sounds like a good weekend project. Thanks!

2007 F-350 King Ranch Dually 6.0, Edge Insight, Turbo back 4" MBRP Dual Exhaust, Where's Kitty, Garrett Powermax Stage 1 Turbo, ARP Head Studs, Sinister EGR Delete Kit, AirDog II 165, SCT w/Custom Tunes, Upgraded Fuel Pressure Spring, 6.4 Banjo's, Zoodad w/Metal Screen, CFM Intake, Jobe Air Intake,CAT ELC Coolant, DieselSight Coolant Filtration System, NUC Oil Bypass, & Amsoil Everywhere.
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post #6 of 6 Old 03-17-2011, 12:20 PM Thread Starter
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Getting rid of the mounting plate.

Ok, I just went under the truck to look at the AirDog. I just want to get it straight. You got rid of the large mounting plate and spacer and mounted the stock mount to the fram rail with the rubber gasket in between?

2007 F-350 King Ranch Dually 6.0, Edge Insight, Turbo back 4" MBRP Dual Exhaust, Where's Kitty, Garrett Powermax Stage 1 Turbo, ARP Head Studs, Sinister EGR Delete Kit, AirDog II 165, SCT w/Custom Tunes, Upgraded Fuel Pressure Spring, 6.4 Banjo's, Zoodad w/Metal Screen, CFM Intake, Jobe Air Intake,CAT ELC Coolant, DieselSight Coolant Filtration System, NUC Oil Bypass, & Amsoil Everywhere.
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