Engine about to go?

[HarroVX]

hey guys, this probably isnt really much of a deal but it is still a concern to me.. i own a Vx acclaim, and i realized today at work that when my air con is on and i rev the engine above 3Krpm there is a real tinny sounds coming from the engine. its as if the engines sounds like it has jumped up an octave.
its sounds pretty bad. im not sure if its something ive just never noticed before or maybe a bearing in my engine? ive spoken to two of my mates dads and theyre both mechanics and one says that its nothing and the other says it may be a bearing.

[Coast_Calais]

you mean the sound of your compressor automatically disengaging at 3 grand?

[HarroVX]

nah its only as i rev it. when i rev the car with the air con on, the sound is almost ear piercing, im pretty sure it may be a bearing.

[oska]

if it's only with the air con on then it's probably the compressor

[somefool]

yep most probably the AC bearing