Can you replace main bearings without removing a crank?
Can you replace main bearings without removing a crank? Yes it is possible with many engines but not all. The procedure is to loosen all main bearing bolts (not bigends) a small amount (varies with thread pitch) but approx 1 mm and you must not cause the crankshaft to over stress the front and rear crankshaft seal. Can a crankshaft be removed without removing the engine? Be sure to rotate the crankshaft in the proper direction to raise the bearing's lock out of the notch in the cylinder block. If it is rotated in the wrong direction, the lock will...