Piperdp

97 blazer LT 4.3 v6 replaced belt tensioner altnator, belt and idler pulley still horrible squeeling more so with giving gas I am using a gator back belt from good year. spent all week trying to get this fixed just gets worse????? I can put just a couple of drops of water on it and it is 100 percent fixed until it drys???

could it be the allignment of the pulleys being off ????

b1lk1

Check the waterpump bearings, they could also cause such a noise.

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1999 GMC Jimmy SLS (these trucks sure suck the life out of your wallet, LOL!)
Cold Air intake (eBay special with homemade heat sheild)/Throttle plate modded
2" Suspension lift (rear springs/front torsion crank)/1 1/4" read wheel spacers