The engine’s fan, water pump, and generator are typically powered by a reinforced rubber belt attached to the front of the engine. The second belt could power a power steering pump or an air conditioner. These are adjustable and should be tight enough to keep the water pump or generator bearing from slipping; if they are overtightened, the water pump or generator bearing may suffer. The steps for adjusting or replacing the fan belt are similar. Remove the securing nuts. Then, either slide the generator towards the engine to loosen the belt and replace it, or slide it away from the engine to tighten the belt.