Show I I I I t I Changing of Shaft wit Ends Knock in Motor Engine End pIa play In the crankshaft Is apt to tobo tobo tobo bo noticed first when tho the car is throttled tied down to about five miles an hour when a n sort of oC bucl bucking ln takes place with accompanying knocking It If tho tile end pIn play is excessive the tile knocking will vill continue continuo as tho the speed Is in in In- creased The probable cause of ot this condition i Is a flattening of oC lh the main bearing flanges o so that the shaft can cass cant move 1110 backward and forward and it pounds still moro snore heavily against the hearing bearing ends In many cases cars having four bearing crankshafts shafts tho the second bearing from tho tile rear rear is do- do signed to take tho the thrust consequently conse conse- replacement of oC that bearing I euros cures the the trouble In a 0 three bearing shaft tho center or rear will ul usually have havo to be replaced In the tue four four- bearing shaft It Jt Is much better to change chango tho the one bearing rather than to attempt to remove c tho the pIa play b by using two or three bearings with thicker thick thick- er cr flanges |