When driving, the temperature of the bridge is hot.

(1) Baotou North run heavy truck parts bearing assembly is too tight;

(2) the clearance between main and driven gears of Baotou Bei Ben heavy truck parts is too small.

(3) the lack of lubricating oil or lubricating oil is too thin.

Diagnosis and exclusion:

After a long journey, check the car and touch it with your hands. If you feel hot at the bearing, it indicates that the bearing of Baotou Bei Ben heavy truck fittings is too tight. If it is generally overheated, it means that there is a lack of lubricating oil or gear meshing clearance is too small.