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hissing sound

4K views 8 replies 3 participants last post by  speaker_king 
#1 ·
the first time i heard this sound was 1 week ago it sounds like its comeing from the bottom underneath the car its happens when i put it in park and turn it off thats when i here this sounds like air leaking out of a tire or something but from u nder the car any help plz
 
#2 ·
From what part of the car? If its the front, does it make that sound when the hood is up? If so it might be a vacuum leak. If its the back, it might be a leak in the brake cable.

just a thought
 
#7 ·
thats pretty normal, its slowly releasing the oil pressure, you can definatly hear that in a 4cyl

What kind of smell? With a weird smell, It might be a leak in the trans line. There might be a stopped up trans line and the pressure could have caused a small leak.
 
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