Another Sound Question
#1
04-30-2007, 06:17 PM
Another Sound Question
Sometimes when I start my A6 4.2 (2003), particularly after I have just shut it off (like running into a store),
I hear a hissing sound (2-3 seconds long) then a small "pop" sound. No sign of trouble but not a clue as to what it is.
Any thoughts? Sound like it is coming from passenger side.
I hear a hissing sound (2-3 seconds long) then a small "pop" sound. No sign of trouble but not a clue as to what it is.
Any thoughts? Sound like it is coming from passenger side.
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