Thread: Hissing Noise somwehere between the fan and the engine block after the car is off
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Old 07-18-2003, 01:19 AM
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DR.DIESEL DR.DIESEL is offline
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Join Date: Mar 2003
Location: Puget Sound, Washington St.
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Could be the refrigerant in the a/c system settling back down to lower pressures after the motor shuts off.
I have noticed this on several MB's.
It can make a leak type hiss noise for hours.
DR.D
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