( VEHICLE SWAY )

             Lets see what is that                              
as vehicle of body on the right side or on the left side
 it happens car down the above
Due to this defect 
mean one side of leaf spring Flat  is the reason
Spring flat or weak So then They side Towards Bends  
and  they  side  In running  The car moves 

At the same time  Spring strap Breaks
This defect is  Prodused 
for spring flat  Touches the Spring frame 

that's why  Leaf spring breaks 
?