So you're acknowledging it's not coming from the engine. Best way to check is open the hood and have someone listen to the engine to see if it's coming from there.
Originally I thought you heard the sound either coming from the engine, or from underneith the car. I didn't think it was coming from inside the cab.
Are you running a/c or heat, or maybe just the fan from your vents????? I'm thinking it's something trapped in the vents or something with your heater core that's causing something to hit against something else.
Do your speedo guages read correctly or are they off, or do the needles bounce around erratically?
Originally I thought you heard the sound either coming from the engine, or from underneith the car. I didn't think it was coming from inside the cab.
Are you running a/c or heat, or maybe just the fan from your vents????? I'm thinking it's something trapped in the vents or something with your heater core that's causing something to hit against something else.
Do your speedo guages read correctly or are they off, or do the needles bounce around erratically?