TM 9-2815-237-34 2-38 Change 1 2-15.   ENGINE DISASSEMBLY INTO SUBASSEMBLIES (Cont’d) NOTE Perform step 3 for 6.5L engines only. 3. Remove one-piece crankshaft rear oil seal (9) from rear main bearing cap (1) and cylinder block (7). Discard one-piece crankshaft rear oil seal (9). 4. Remove four capscrews (3) securing main bearing cap (2) to cylinder block (7) and remove cap (2) and bearing (4). Discard bearing (4). 5. Repeat step (4) for remaining main bearing caps (2), rear main bearing cap (1), and bearings (4). WARNING. Crankshaft must be supported during removal and installation. Failure to support crankshaft may cause injury to personnel or damage to equipment. 6. Remove crankshaft (5) and bearings (6) from cylinder block (7). Discard bearings (6). WARNING. Gaskets installed on some 6.2L engines assembled prior to 1991 may contain asbestos.  Gaskets should be removed with a scraper or putty knife and then be disposed of IAW current directives. Inhalation of asbestos fibers can cause respiratory ailments. NOTE Perform step 7 for 6.2L engines only. 7. Remove two-piece crankshaft rear oil seal (8) from rear main bearing cap (1) and cylinder block (7). Discard two-piece crankshaft rear oil seal (8). 8. Install bearing caps (1) and (2) on cylinder block (7) and secure with twenty capscrews (3).