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If the tensioner pulley is “shredding belts”. You might want to look into why. Most of the time belt length has nothing to do with the tensioner shredding the belt.
The screeching is the belt slipping, two possibilities, either the belt is not tight enough, or you have fitted a faulty pump which is putting to much resistance on the belt? If it carries on screeching for any length of time it will break. Check your alternator belt tension, if you had to remove and refit that? Quick check for alternator belt is, switch on headlights, does the screech get louder? Don't over tighten the belts, this puts stress on bearings!
Could be a belt screeching. Fan belt, A/C belt, Serpentine Belt, alternator belt, etc. Easiest way to isolate which belt is to open the hood and use your ears to see where the screeching is coming from. Left, right, front, behind the engine? Spray some WD-40 on the belt you think is making noise and if it quiets right away, then that is the belt making the noise. Either the tensioner needs adjusting or the belt needs replacing. The WD-40 does not hurt the car, it'll start screeching again in a few days when it wears off.
I would look online for a diagram on how the belt is to be run around the pulleys to make sure you are running it correctly , let me asked you this is this what it did to the original belt if not it is not run correctly over the pulleys ?
it could be the tensioner, water pump, alternator, A/C compressor, power steering, or even a really bad serpentine belt. The only way to be sure is to remove the s-belt and spin-check the pulleys and listen for squeaks or grinding bearings.
The high pitch sound may come from the brake pads as metal parts hit the disc to signal the owner that it needs change. The metal parts gets exposed when the pads have worn out. The brake also has a hub to cover the disc. See if the metal plate is hitting it but this issue would appear when the wheels are in motion. Check if it is the belts, have the tension checked out. Other than that the bearings are the other items on your wheel that could cause a high pitched sound when you car is in motion.
Hi Chris. I would check all the pulleys with the belt off and make sure the alternator, ac pump, power steering pump are all turning fairly easy and that the pulleys havent come loose and started wobbleing alittle.
The first thing i would do is try playing with the belt tensioner. it sounds like the belt is lose and when the engine warms up the belt starts to expand and slips off.
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