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hissing noise from D wheel well

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Old Aug 17, 2007 | 03:40 PM
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michaelxx16's Avatar
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Default hissing noise from D wheel well

ok i just came home and i open my door while my cars still running and i hear this hissing noise (sounds like air leaking out under high pressure like an air compressor leak or something) anyways, i check the tire and think thats the problem but found nothing, when i cut off the car the noise goes away... i checked for the leak from my catback, but found nothing.. the catback is GMMG got it brand new like 6 months ago.. anyone have any advice? this is freakin me out lol
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Old Aug 17, 2007 | 04:35 PM
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Jay 2001 TA's Avatar
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Its your air pump.

https://ls1tech.com/forums/generation-iii-external-engine/673299-air-removal-pics.html
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Old Aug 17, 2007 | 04:37 PM
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ah crap i didnt post up it was the rear wheel well, but i went back out there about 15-25mins later and it didnt make the noise anymore, was coming form the rear drivers side wheel well, my dad said it might be the seal on the gas cap or somethign like that but im not sure... could that have been it?
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