Q: Hissing or air blowing out sounding noise above 65mph. had oil change today, did not occur before OC. Added air to tires also.
Had an oil change today. Changed with penzoil synthetic oil. Added air to my tires also. Now when I drive above 65 mph on the freeway I hear what sounds like air being let out or hissing, but very loud. Did not hear this before oil change. All fluids fine, tires are brand new purchased a month or two ago. I have a video of the sound. Had my dad check it out and he thinks nothing is wrong but I've had this car 3 years and never heard anything like this sound until today.
My car has 56000 miles.
My car has an automatic transmission.
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