Engine whines
#1
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Engine whines
Hey all..
Just noticed the other day that my engine makes a rev dependent high pitched whine. I'm 99% sure its coming from the engine.. Is this a sign of a potential problem? What should i check?
Thanks
Matt
Just noticed the other day that my engine makes a rev dependent high pitched whine. I'm 99% sure its coming from the engine.. Is this a sign of a potential problem? What should i check?
Thanks
Matt
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The rpm dependent whine is something that I can also hear. I usually hear it under light acceleration between 2800-3500 rpms, at higher engine speeds I can't hear the whine due to increased noise. I heard that this noise was the chain driven oil pump. I have absolutely zero data that can back this up, but I did read it on here. You might be able to search it up if you're really interested.
To the other posters, the high pitched whine at startup is your secondary air injection pump. It spins up when the car is cold to help light off the cat.
To the other posters, the high pitched whine at startup is your secondary air injection pump. It spins up when the car is cold to help light off the cat.
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#8
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Originally Posted by onfire01,Feb 6 2007, 02:35 PM
The whine is when its fully warm though
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I think I'm getting the same sound..its hard to describe but it sounds if like it was coming from the transmission....is like between 3k and 3.5k rpms....is not the intake....but is like pushing a piano on a shinny floor sound. .....whooouuh.....something like that..
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