When setting timing with an engine thst has spring loaded tensioner you release the tensioner on the belt and turn the crank shaft a few turns and then you lock the tensioner.. If u add excessive force to a new belt it will make a humming sound when the engine is running when accelerating....
Hi, i do have a 4AFE (corolla 1991) could you please explain how to remove the harmonic balance pulley any special tools also how to put the right torque specs, thank you