Belts

The AC belt is probably the most simple component of a vehicle’s AC system, but still a very important one. The belt connects the AC compressor clutch to the engine crankshaft, which allows the compressor to be turned via the engine’s power when activated.

The belt that drives a power-steering hydraulic-fluid pump is usually at the front of the engine , turned by a pulley on the crankshaft . It is generally separate from the belt that drives the water pump and alternator , but it may drive other components as well as the power-steering pump .

A broken serpentine belt can lead to a sudden loss of power steering in your car, making your steering very difficult to turn. … A broken serpentine belt causes the water pump to stop circulating coolant through the engine’s cooling system, causing it to overheat.