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CAUTION: Use extreme caution when crankshaft polishing is necessary to remove minor nicks or 6. For bubbles that remain steady with shaft rotation, no further inspection can be done until disassembled. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING), under the Oil Leak row, for components inspections on possible 7. After the oil leak root cause and appropriate corrective action have been identified, (Refer to 9 - ENGINE/EN- GINE BLOCK/CRANKSHAFT OIL SEAL - REAR - REMOVAL). REMOVAL NOTE: This procedure can be performed in vehi- 1. If being performed in vehicle, remove the transmis- sion. 2. Remove the flexplate (Refer to 9 - ENGINE/EN- GINE BLOCK/FLEX PLATE - REMOVAL). NOTE: The crankshaft oil seal CAN NOT be reused NOTE: The crankshaft rear oil seal remover Spe- 3. Using Special Tool 8506 (2), remove the crankshaft rear oil seal (1) INSTALLATION 1. Lubricate the crankshaft flange with engine oil. 2. Position the magnetic seal guide Special Tool 8349-2 onto the crankshaft rear face. Then position 9 - 2234 ENGINE - 4.7L - SERVICE INFORMATION DR/DH |