A1: Engine Block Diagnosis and Repair Balance Shafts Cooling the Piston Crankshaft Removal Cylinder Bore Wear Check Cylinder Wall Lubrication Gaskets and Seals Magnetic Crack Detection Measure Crankshaft Out of Round Measure Crankshaft Taper Oil Spray Piston Cooling Piston Size Checks Piston to Bore Clearance Piston to Wall Pressure Remove RWD Engine Top Ring Pressure