The upper and lower cylinder blocks of the engine are damaged, and the lower cylinder block is pierced by the bearing cap of the connecting rod

We suspect that there are defects in the machining process of the rocker arm seat and the problem of stress concentration in the assembly process.

In view of the early tire damage, Mr. Fu, service manager of Futian light truck Shandong region, said that the early tire damage does not rule out the existence of quality problems

The driver found that the engine of the car made abnormal noise during driving, and the noise became louder and louder from the beginning

Ask a question: why is the inner bearing at the wheel edge of heavy truck smaller than the outer bearing? Is there any advantage in this design? Many of our local heavy cars have problems with the inner bearing