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squarehat

"warbling" Sound After Engine Turned Off ('96 Es)

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I just got home from driving my 96 ES through hilly, snow covered roads, most of the time in 2nd gear at speeds under 30 MPH. I decided to pop the hood after parking to make sure I still had sufficient windshield washer fluid, when I noticed an odd noise: 3 seconds of a low "warbling" vibration, followed by 3 seconds of silence, 3 seconds of warbling, and so on. I've never noticed this before (it was very hard to hear once I closed the hood. Any idea what this noise is? I hope it has nothing to do with driving in 2, I made sure the tach never crossed 3000, so I hope it isn't an overheated tranny or anything like that.

Any clues? Should I be concerned?

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Cars make all kinds of funny noises when they've just been shut off, don't worry about it.

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Yes, the climate control was in "Auto" with the front defogger on, so the A/C compressor must have been running at least part of the trip. I'm guessing what I heard were the normal sounds from the A/C system after the car shuts off. :)

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yup the a/c system was decompressing making that funny " boiling water in a pot "noise for a few seconds off and on.

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That's exactly what it sounded like. :) And it was definitely from an area of the engine bay with a lot of A/C components.

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