the timing belt

The most distinguishing feature of rubber ribbed belts is their ribbed surface. This design allows for greater surface area contact between the belt and the pulleys, which increases friction and improves power transmission. Unlike traditional flat belts, ribbed belts provide a consistent grip and reduce slippage, leading to more efficient engine performance. The ribs also aid in flexibility and reduce the likelihood of the belt twisting or misaligning during operation.


...

The PK belt, characterized by its 'V' shaped design, is essential for transferring power from the engine's crankshaft to various accessories, including the alternator, power steering pump, water pump, and air conditioning compressor. The PK belt's unique shape ensures a tight grip on the pulleys, allowing for efficient power transmission. In Toyota vehicles, the durability and functionality of the PK belt are paramount due to the demanding performance standards these vehicles are known for.


...