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Discussion Starter · #1 ·
Just recently I noticed a strange change in my engine sound (93 VR6). The sound is somewhat simular to an engine with turbo, ie; whistling/screaming sound.
Could it be my timing belt or something to do with my air intake box?
Thanks
-Ex
 

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Re: Engine Sound Change... (LanEvo8)

My guess is a leak somewhere. A little pinhole leak in an intake tube or vacuum hose somewhere will sound just like that.
Or it could be any of a number of other things. With the engine running, poke around under the hood and try to narrow it down.
-Nate
 

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Discussion Starter · #6 ·
Re: Engine Sound Change... (white lightning)

Yeah, only happens when I accelerate/decelerate. In order for me to hear it, I need to have my window open and be in either 1st/2nd/3rd gear. 4th and 5th don't seem to make any noise but that might be because of the draft noise from having the window open might overtake the screaming noise.
 
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