Most likely called the harmonic balancer pulley.
the pulley on the harmonic balance drives the alternator belt. this is the pulley at the bottom of the engine ,on the front of the crank shaft if this pulley is not turning you have a problem. this means either the key is missing or the crankshaft is broken
Alternators are usually driven by a belt and pulley from the engine.
You will need to loosen the alternator belt with the tensioner pulley. When the tensioner pulley is loose the alternator belt will become loose. Put the new alternator belt on and tighten the tensioner pulley.
On a 4 cyl. you loosen the bolt that holds the adjuster to the alternator and then loosen the adjusting screw. You may need to hold pressure on the alternator to help it move or also loosen the bottom mount bolt of the alternator to the engine to allow the alternator to move easily. On a v6 you loosen the center nut on the adjuster pulley and then loosen the adjuster screw. Remove the old belt and install the new one. adjust the pulley to tighten the belt and tighten the pulley or tensioner. Belt is now installed.
It's on the passenger side of the vehicle. When you look at the crankshaft pulley, the Alternator belt is the innermost (closest to the engine) belt.
The power steering pump belt is located on the drivers side of the car. It runs parralell to the alternator / a/c belt, right above it. There is a pulley just above your alternator, the belt on this pulley is your power steering pump belt.
idle pulley is a pulley on an engine that does not drive any accesories ,such as water pump or alternator. it is put there to route the belt so as the belt will not hit or rub on other parts or accesories
Loosen the tensioner pulley. Put the belt around the alternator pulley and the tensioner pulley. Move the tensioner pulley to the right until the belt is tight. Tighten the tensioner pulley.
the alternator and belt are located at the bottom of the engine on the passenger side looking at the timing belt side
You must first loosen the alternator, do not remove it. remove the alternator tension screws top and loosen the bottom screws DO NOT REMOVE push the alternator toward engine, for the a/c belt you must loosen the belt tension pulley and move it. replace in reverse order
if your looking at you engine from the front view it goes your power steering belt followed by your alternator belt then at the back bottom is you a/c belt
the belt only goes around the crank pulley and alternator pulley