Cylinder Block - Inspection for Reuse (1-02) Section 1 - Cylinder Block - Group 01 M11 Page 1-18 Remove the checking ring. NOTE: Leave the centering rings and checking bar in place if any bores are to be repaired. Refer to the Alternative Repair Manual, Bulletin No. 3810310, for salvage procedures. Main Bearing Bore Inside Diameter - Mea- surement Use master ring gauge, Part No. 3376576, to set up the dial bore gauge. Measure the inside diameter of all seven bores at three points. Main Bearing Bore I.D. mm in 121.990 MIN 4.8028 122.015 MAX 4.8037 Thrust Bearing Surface Width - Measurement Measure the width of the cylinder block between the front and rear thrust bearing surfaces.
Cylinder Block Thrust Bearing Surface Width mm in 39.95 MIN 1.573 40.05 MAX 1.577 NOTE: One original undamaged thrust bearing surface point is required as a reference point for this measurement.