2000 Chevy s-10 top of engine sounds like its making a tweeting noise.?

Question:
I checked the u-joints and it definitly isn't coming from there. Definitly is coming from inside the engine compartment. In idle it tweets a little, accelerating up to 30 or 40mph its pretty destinct but then once you get on the highway you can't hear it. Anyone got a clue?

Answers:

How good is the new VW rabbit?

A/C compressor clutch bearings are worn out, or rusty.

Anyone own a Chrysler 300M?

Or, idler pulley bearings, or tensioner.

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Can anyone help me i'm tring to install an air bag kit on my 1970 chevy c 10 please help?

The most popular tweeting noise maker is the belt tensioner pulley.

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What motor can I use for a 67 Cuda. Is the 360 o.k.?

i would suggest pulling the serpentine belt off and manaully spining each of the pulleys too see the noise can be detected . i work at a gm dealership and it usually works for me . good luck.

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Where do I get p/s pump, pulleys,& brackets for 1979 460 no a/c ?

alternator bushings or serp belt tensioner.

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