Show oI 0 o I FLAT FLANGES I I OFTEN CAUSE OF I I CRANK TING POUNDING I o 0 Enl End pla play in the crankshaft I la is apt lpt to tobe tobo tobo bo be noticed first when th car Is Ig tied down to about five n miles an hour when whon a sort Bort of bucking t takes place with accompanying knocking It if the end play is excessive the tho I knocking will continue as tho speed increases I Tho ritu cause of ot this condition 1 II hi hia a flattening of or tho the main bearing flanges Ian so that the tho shaft can cnn move backward arct and forward and It pounds sUit still more heavily lly a as against tho the bearing ends In many cars having ln four bear In ing crankshafts tho second bearing bC from tho the rear In IJ designed to take tako the thrust consequently replacement of or that hearing bearing curea Iho tho hi trouble In a throe three shaft tho the center or r rear ar arwill will usually have ha to bo ho replaced In Inthe Inthe the he four bearing it Is much better better better bet bet- ter to chan change o tho the ono one bearing rather than to attempt to remove the play pIa by using two or threw three bearings with thicker flange flanges |