Symptoms of a broken belt tensioner, a broken car tensioner

The belt tensioner is a kind of automobile tensioner, which is used in the timing system of the engine to adjust the tightness of the timing belt/chain. Once the tensioner is damaged, the tightness of the belt cannot be adjusted, the engine will have abnormal noise, timing skipping, ignition and air distribution time disorder, which will affect the normal use of the car. It can also cause car jitter, increased fuel consumption, weak acceleration, knocking and other malfunctions.

If there is a problem with the belt tensioner, it should be replaced in time. If it is not replaced in time, it may cause the engine to shake, difficult to ignite, and it may not be able to hit the car in severe cases. It may also deform the valve top, causing damage to the engine components, and even more likely to lock up. , Causing the belt to fail to drive normally, causing the car to break down.

Under normal circumstances, the tensioner pulley is the same as the timing belt replacement cycle. It is recommended to replace it every 3-5 years or about 80,000 to 100,000 kilometers. Please refer to the vehicle maintenance manual for the specific replacement time. When replacing the timing belt, replace the tensioner together with the tensioner. The price of the accessories is between 500-600.YuanAround, one set is replaced plus working hours, the replacement cost is about 1,000 yuan, 4s shop will be relatively more expensive, but more secure.