CAP-SEAL 3903140 - Caterpillar

Removal Procedure
Start By:
Remove the crankshaft vibration damper. Refer to Disassembly and Assembly, "Vibration Damper and Pulley - Remove and Install".
Remove the crankshaft front seal. Refer to Disassembly and Assembly, "Crankshaft Front Seal - Remove".
Remove the camshaft. Refer to Disassembly and Assembly, "Camshaft - Remove".
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products.Dispose of all fluids according to local regulations and mandates.
Remove any external components, if equipped.
Support the front of the engine.
Illustration 1 g01011903
Remove bolts (2) and remove front engine support.
Remove bolts (1) and belt tightener (3).
Illustration 2 g01011906
Remove bolts (5) that fasten front housing (4) to the cylinder block and to the engine oil pan. Remove front housing (4). Clean the sealant from front housing (4) and the cylinder block.