Hissing sound.

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Hissing sound.

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Ford >> Ford Trucks, Ford Vans & Ford SUV's >> Ford Sport Trac >> Hissing sound.

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Hissing sound. - 12/25/2007 6:50:56 PM

epgarvey

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Joined: 12/25/2007
Status: offline

Just purchased a 2005 Sport Trac. On way home, noticed an intermittant "hissing" sound from somewhere around driver-side firewall. It isn't very loud and only noticed it when I turned the radio off. Doesn't appear to be affecting driving nor am I noticing any leaking of fluids or otherwise. Is this normal? What is causing it?

Post #: 1

RE: Hissing sound. - 12/26/2007 7:43:11 AM

oldtimer35

Posts: 333
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Joined: 11/27/2007
Status: offline

Could it be the normal noise from the plastic intake on this vehicle. Now that it is no longer insulated by metal, air does make a noise as it is sucked into the cylinders. I chased this when ford first came out with plastic intakes back in the 90"s. Figured out what it was.

(in reply to epgarvey)

Post #: 2