At the engine idling speed, the Fan solano is allowed to transmit severe vibrations from the engine to the cooling system radiator. This may cause unpleasant noises, as well as the wear and tear of the rubber radiator blocks and the subsequent calc antifreeze. The problem is especially apparent in the winter, when the cooling system hose, driving from the motor to the heat sink, becomes very tight.
Replacing the post hose with the lower Z-shaped radiator hose from the 2108 is a solution to this problem.
He's softer and damnit vibe. You can also supply hoses from Toyota for the 4A-FE engine.