Strange hissing sound
08-07-11, 07:20 PM
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Strange hissing sound
I noticed my car produced this low "hissing" sound at speed above 120 km/h. At first I thought it may be my tires, but these are new tires and it only happens when I give it gas (I am very light on my gas pedal). Does anyone ever experience this before?
08-08-11, 05:22 AM
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The RPM is around 2100. It's hard to tell at highway speed, but it sounds like it's coming from somewhere in the engine compartment. May be "hissing" is not a good word to describe it. It's more like a high pitch sound, but very low. I tried it again this morning on my way to work and I can hear it as the speed passes 120km/h. I also thought it maybe the A/C, but it happens with or without the A/C on.
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