Annoying Hiss - Scion xB Forum
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post #1 of 5 Old 09-08-2015, 01:24 PM Thread Starter
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Annoying Hiss

There is an annoying hissing/shhhushing sound that comes from outside the box at random times. It's not a clunk, or a crack, or a click. It's a semi-metallic, hissing sound that can be rather loud. I never know when it's going to arrive or leave. It's always during motion, never hear the sound at a complete stop.
The box is lowered, but the noise has been present through all three variations of suspension modification. I'm stumped. Any help would be appreciated.

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post #2 of 5 Old 09-09-2015, 07:48 PM Thread Starter
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Re: Annoying Hiss

Anyone?


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post #3 of 5 Old 09-10-2015, 10:55 AM
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Re: Annoying Hiss

have you changed your grille? mine was making a noise when it was changed.

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post #4 of 5 Old 09-11-2015, 05:20 PM Thread Starter
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Re: Annoying Hiss

Quote:
Originally Posted by PhillipJFry View Post
have you changed your grille? mine was making a noise when it was changed.

Yeah, I changed both the upper and lower. The noise is so random though. I'll try tighten them to see if it makes a difference. THANKS!


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post #5 of 5 Old 09-13-2015, 01:59 AM
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If you have changed to a billet grille with no guard behind it that might be the problem. From what I have seen the two lower ones normally just bolt onto the existing grille there. however the main top one is a full replacement. If u look behind the stock grille there should be a guard behind it. I found that mine was getting to much turbulent air going threw it causing a whistle. Looked and there was no guard. Fabbed up one and nice and quiet. Try taping sum cardboard securely behind it and go for a drive. The one thing that gave it away was highway driving. Going along whistling, pull behind a transport, whistle stops. Hope you find it. But there's always another one that pops up. Noisey boxes
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