1) The fault phenomenon of heavy axle steering is that when turningthe car, it feels heavy and laborious to turn the steering wheel, andthere is no sense of returning to the correct position. 2) Reason formalfunction②) The steering knuckle thrust bearing is shorof oll or damaced 3. The dearance between thsteerina knuckle maln pin and the bushing itoo small orthere ls a lack ofoil. 4 Front axtorframe ceformetlon causes mnisalian!P门TCthe front wheels 5,nsufficient tire prassure3) Fault diagnosis: When diagnosing, first support the front axle and turn the steeringwheel by hand, lf you feel that the steering is easy and there is no longer any difficulty inturning, it indicates that the fault is in the front axle and wheels, Because aftesupporting the front axle, there is no longer any frictional resistance between the wheel!and the road surface when turning, and rotation only depends on the working conditionof the steering gear and other components: At this time, carefully check whether thefront tire pressure is too low and whether the front axle ls deformed, At the some time,is also,necessary to consider checking whether the front steel plate soring is in goodcondition and whether the frame is deformed. lf necessary, check if the wheel allgnmentangle is correct.