Chirping belt gone now new problem

[CatManTom]

I order the goodyear gatorback belt from Autozone ,it took 3 days too get it. So I removed the factory serpitine belt and in stall the gatorback, It fixed the chirp when I shut off the truck,but now I have a vibration in the engine compartment it travels up the steering wheel and up the brake pedal. Never had it be for I changed the belt (36330 mile on truck) the belt flaps up and down causing a vibration . It flaps up and down between the power steering pump and the top ilder pulley. Anybody have any ideas ?

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[Tim]

Loose tensioner?

 

[DieselB59]

Did you check to see that the new belt was exactly the same length as the old one by stretching them both over a pole or vise handle and pulling on them together with an extension bar? A longer belt will not let the tensioner keep proper tension and the belt will flap where distances between pulleys allow, or where belt driven accessories put certain loads on the belt and are followed by an idler pulley.