ENGINE AR 3878487 - Caterpillar

Removal Procedure
Start By:
Remove the fan. Refer to Disassembly and Assembly, "Fan - Remove and Install" for the correct procedure.
Remove the crankshaft pulley. Refer to Disassembly and Assembly, "Vibration Damper and Pulley - Remove" for the correct procedure.
Remove the engine oil pan plate. Refer to Disassembly and Assembly, "Engine Oil Pan Plate - Remove" for the correct procedure.
If the engine has an accessory drive, remove the accessory drive. Refer to Disassembly and Assembly, "Accessory Drive - Remove and Install" for the correct procedure.
Remove the water pump. Refer to Disassembly and Assembly, "Water Pump - Remove" for the correct procedure.
Remove the timing gears. Refer to Disassembly and Assembly, "Gear Group (Front) - Remove and Install" for the correct procedure.
Remove the fuel injection pump. Refer to Disassembly and Assembly, "Fuel Injection Pump - Remove" for the correct procedure.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
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.Dispose of all fluids according to local regulations and mandates.
Illustration 1 g02198874
Cut cable strap (2) from wiring harness assembly.
Remove bolts (3) that secure bypass tube (1) to front housing (4).
Remove bypass tube (1) from the cylinder head. Remove O-ring (5) and O-ring (6) from bypass tube (1).
Illustration 2 g02198875
Remove bolts (7), bolts (8) and bolts (9) from front housing (4). Note: The bolts are three different lengths. Note the positions of the different bolts.
Remove front housing (4) from the cylinder block.
Remove gasket (10).
Illustration 3 g02198876
Remove thrust washer (11) from the cylinder block.