drive belt slipping

Regular maintenance of the timing belt cannot be overstated. Most manufacturers recommend replacing the timing belt every 60,000 to 100,000 miles, although more specific intervals can be found in the vehicle's owner manual. Neglecting to replace a worn or damaged timing belt can lead to catastrophic engine failure. If the timing belt snaps while the engine is running, the results can be disastrous—often leading to bent valves, damaged pistons, and even a complete engine overhaul.


...

A CNC timing belt is a type of synchronous belt that is designed to transfer motion and synchronize movement between two or more rotating shafts. Unlike traditional belts, which rely on friction to transmit power, timing belts feature teeth that mesh perfectly with corresponding grooves on pulleys. This design ensures that there is no slippage, allowing for accurate and precise motion control. Timing belts are often made from durable materials such as neoprene or polyurethane, reinforced with fiberglass or steel for added strength and longevity.


...

The designation 4PK refers to a specific type of poly-v, or serpentine belt, which consists of four ribs. The 'P' stands for pulley while the 'K' represents the 'K' profile of the belt's ribs. This belt is designed to drive multiple accessories in an automobile’s engine bay, such as the alternator, power steering pump, air conditioning compressor, and water pump. The ribs increase the surface area in contact with the pulleys, allowing for better grip and decreased slippage. This design not only ensures better performance but also enhances the longevity of the belt.


...