TM  10-3930-643-34 ENGINE,  FUEL,  EXHAUST  AND  COOLING  TROUBLESHOOTING  AND  MAINTENANCE. 4-18. Water Pump Assembly. (Sheet 2 of 5) DISASSEMBLY 2. 3. 4. 5. 6. 7. 8. 9. 10. Using a flat tip screwdriver, pry out and discard seal and boot (2). Remove seal assembly (3) and discard. Metal part of seal assembly (3) will remain in water pump housing (16). Remove sleeve (4). Remove and discard grease seal (5). Using internal snap ring pliers or a small flat tip screwdriver, remove retainer ring (6). From rear of water pump housing (16), press out shaft (7), spacer (8), bearing (9), spacer (10), spacer (11), spacer (12) and bearing (13). Spacers (8, 10, 11 and 12) and bearings (9 and 13) will come out with shaft (7). Using a drive pin punch and small hammer, drive out metal part of seal assembly (3) and discard. Using a flat tip screwdriver, remove and discard grease seal (14). Using vise grip pliers, remove two pins (15). Go to sheet 3 4-113