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check for bad bearings in alternator

OR TALK BELT OFF THEN RECRANK. IF STILL MAKING NOISE SPRAY WD 40 ROUND YOUR THROTLEBODY. CAREFUL IT IS FLAMEBLE. SEE IF NOISE STOPS OR QUITENS.

I RE-BUILT MY ALTERNATOR YESTERDAY SILL MADE NOISE, CHANGED BELT AND BELT TENSONER LAST NIGHT THEN IT MADE NOISE AGIAN.

WHILE IT WAS MAKING NOISE TODAY ME AND MY SON TOOK BELT OFF STLL MAKING NOISE "NOT BELT OR ANY PULLIES" SPRAYED THROLTE BODY WD 4O FOUND IT IS SUCKING AIR WHERE CABLE WORKS THROTLE MAKING THE HIGH PITCH LOAD NOISE. THE NOISE GOES AWAY WHEN SPRAY.

WASTED 135 YESTERDAY ON PARTS

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Q: Squealing noise around belt on 1993 Chevy silverado?
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