Engine Rebuild Guide, Break-In and Tune-Up Engine Break-In Guidelines Engine break-in should be performed after overhaul or when the following repairs have been made: Main bearings, rod bearings, crankshaft, or any combination of these parts have been replaced. Pistons, rings, or liners have been replaced. Rear crankshaft oil seal and wear sleeve have been replaced. (Primary objective is to see if oil seal still leaks). Cylinder head has been removed. Electronic unit injectors have been removed or critical adjustments have been made while they are on the engine. (Primary objective of break-in is to check power).
CTM100 (06APR04) 02-010-15 P OWER T ECH 10.5 L & 12.5 L Diesel Engines RG,RG34710,1053 –19–05DEC00–1/1 040604 PN=63 ENGINE ASSEMBLY SEQUENCE—CONTINUED Procedure Reference Install water manifold/thermostat housing assembly. See REMOVE AND INSTALL THERMOSTAT HOUSING in Group 070. Install oil filter housing/oil cooler assembly. See INSTALL OIL COOLER/OIL FILTER VALVE HOUSING ASSEMBLY OR OIL COOLER COVER/VALVE HOUSING ASSEMBLY in Group 060. Install exhaust manifold assembly. See REMOVE, INSPECT AND INSTALL EXHAUST MANIFOLD in Group 080. Install turbocharger. Connect all turbocharger oil lines and See INSTALL TURBOCHARGER in Group 080. intake/exhaust piping. Install alternator.
See REMOVE AND INSTALL ALTERNATOR in Group 100. Install compressor. See CTM67, OEM Engine Accessories. Install fan drive, fan and fan belt. See Group 070. Mount engine into vehicle. See vehicle repair manual. Flush cooling system. Fill engine systems with recommended fuel, See FLUSH AND SERVICE COOLING SYSTEM in Section 01, lubricant, and coolant. Group 002. Perform engine break-in and normal standard performance checks. See PERFORM ENGINE BREAK-IN in this group. RG,RG34710,52 –19–21AUG02–3/3 02 010 15 ENGINE ASSEMBLY SEQUENCE—CONTINUED Procedure Reference Install water manifold/thermostat housing assembly. See REMOVE AND INSTALL THERMOSTAT HOUSING in Group 070.
Install oil filter housing/oil cooler assembly. See INSTALL OIL COOLER/OIL FILTER VALVE HOUSING ASSEMBLY OR OIL COOLER COVER/VALVE HOUSING ASSEMBLY in Group 060. Install exhaust manifold assembly. See REMOVE, INSPECT AND INSTALL EXHAUST MANIFOLD in Group 080. Install turbocharger. Connect all turbocharger oil lines and intake/exhaust piping. See INSTALL TURBOCHARGER in Group 080. Install alternator. See REMOVE AND INSTALL ALTERNATOR in Group 100. Install compressor. See CTM67, OEM Engine Accessories. Install fan drive, fan and fan belt. See Group 070. Mount engine into vehicle. See vehicle repair manual. Flush cooling system. Fill engine systems with recommended fuel, lubricant, and coolant.
See FLUSH AND SERVICE COOLING SYSTEM in Section 01, Group 002. Perform engine break-in and normal standard performance checks. See PERFORM ENGINE BREAK-IN in this group.