Responsible for pulling the generator, booster pump, air conditioning compressor... belt performance affects a series of functions on the vehicle.
If accessing the belt is difficult, check it when taking the vehicle to the workshop, when the belt makes noise or any load the belt pulls does not complete its task. It is not easy to set the correct belt tension because the belt is often covered by a cover or some other detail. But if the belt is loose, It will make a hissing sound when the vehicle accelerates suddenly.
The tension created by the spring, Therefore, please learn about the structure before adjusting to avoid unfortunate injuries. In situations where adjustment requires disassembling other parts, Use specialized equipment or you feel it's too risky, Then your car needs more professional repairs.
Check the belt
If you can push the belt in deep 1,5 cm while everything else is fine the belt needs tension adjusted. A shiny or oily belt surface will create poor adhesion to the pulley. Belt drive efficiency is reduced. The engine may overheat because of a weak water pump or the air conditioner may not be able to cool deeply because of a weak compressor. This is when you need to change the belt.
The belt appears to have a tightening point, many cracks, frayed surface, It could be that it is stuck too tightly to the pulley or one of the pulleys is misaligned. Changing the belt is obvious, but before that check and adjust the pulley.
Besides the cause of insufficient tension, A squeaking belt can also be caused by water, brake fluid, power steering oil, Coolant... If exposed to water, Please check the water pump again, pipes to find and fix gaps, The water on the belt will gradually dry. But if the belt gets oil or coolant, it needs to be replaced.