SEAL-BOOT 1321143 - Caterpillar

Removal Procedure
Start By:
Remove the mounting bracket for the Electronic Control Module (ECM) . Refer to Disassembly and Assembly, "ECM Mounting Bracket- Remove and Install" for the correct procedure.
Ensure that all adjustments and repairs that are carried out to the fuel system are performed by authorized personnel that have the correct training.Before beginning ANY work on the fuel system, refer to Operation and Maintenance Manual, "General Hazard Information and High Pressure Fuel Lines" for safety information. Refer to System Operation, Testing and Adjusting, "Cleanliness of Fuel System Components" for detailed information on the standards of cleanliness that must be observed during ALL work on the fuel system.
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.
Drain the coolant from the cooling system into a suitable container. Refer to Operation and Maintenance Manual, "Cooling System Coolant - Change" for the correct procedure.
Illustration 1 g02193293
If the engine has a left-hand side oil filter, remove the oil filter base. Refer to Disassembly and Assembly, "Oil Filter Base - Remove and Install" for the correct procedure.
Disconnect plastic tube assembly (1) from crankcase breather (2) and remove the plastic tube assembly from the clips. Refer to Disassembly and Assembly, "Crankcase Breather- Remove" for the correct procedure.
Disconnect plastic tube assembly (5) from crankcase breather canister (2) and crankcase breather valve (8). Refer to Disassembly and Assembly, "Crankcase Breather- Remove" for the correct procedure.
Cut the cable straps for engine wiring harness (3) that secure the wiring harness assembly to engine oil cooler (6).
Remove bolt (4) and remove bracket (7) from engine oil cooler (6). Position the bracket away from the engine oil cooler
Remove bolt (10) from the bracket for the tube assembly. Loosen nut (9) and remove tube assembly.
Remove seal (11) (not shown) from the tube assembly.
Illustration 2 g02194313
Remove bolt (12) from bracket (13). Position bracket (13) away from the engine oil cooler.
Remove bolts (14) from oil cooler (6). Note: The bolts are different lengths. Note the position of the different bolts. Note the location and the orientation of the brackets for the tube assemblies.
Remove engine oil cooler assembly (6) from the cylinder block.
Remove gasket (15) (not shown).
Illustration 3 g02193294
If necessary, follow Step 13.a through Step 13.c in order to disassemble the engine oil cooler.
Remove nuts (18) from the assembly of engine oil cooler (6).
Remove cooler matrix (16) from housing (19).
Remove gaskets (17).