Section 0 - Engine Disassembly and Assembly - Group 00 Engine Disassembly (0-01) M11 Page 0-45 Caution: The number ‘‘4’’ main bearing cap is doweled to the block. To avoid damage to the cylinder block, do not rock the cap to remove, pull straight up. Remove the main bearing cap capscrews. Use main bearing cap puller, Part No. ST-1178, to remove the main bearing caps. The tool must be centered on the cap. Pull straight up to remove the cap. NOTE: The No. 4 main bearing cap has thrust bearings. Remove the lower main bearing shells from the caps. Caution: Do not mark on the bearing to crankshaft mat- ing surface. Damage to the engine can result if the bear- ings are used again.
Mark the bearing shells with the journal number they were removed from in the flat surface of the bearing tang. Remove the thrust bearings from the number cap. Mark the thrust bearings with the letter and front or rear. Caution: Do not damage the crankshaft when removing the thrust bearings. Use a blunt tool to remove the upper thrust bearings from the number main bearing journal. Mark these bearings with the letter ‘‘U’’ and front or rear.