GEN 2 AFE FMIC loud noise on cold start. What is it?

Richiemitchell

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I have ADD's AFE front mount intercooler and when the truck is cold it makes a very loud whooshing sound for about 25 seconds then it's gone. I'm thinking it's the charge pipes pulling air and getting everything into circulation but I may be completely off on that. Does anyone else have this happen to them and what exactly is going on? Once the truck is even slightly warm this sound does not happen.

Thanks,

Richie
 
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Richiemitchell

Richiemitchell

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Thanks for the info. I don’t think I have any leaks. Stupid question but could it be the BOV opening from high idle while it warms up?
 
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