1B-4 Mechanical (4HK1) Cylinder head assembly removal 5. Turbocharger assembly removal 1. Battery ground cable disconnect 1. Remove the exhaust pipe from the turbocharger assembly. 1. Disconnect the battery ground cable from the battery. 2. Remove the air cleaner duct from the air cleaner assembly and turbocharger assembly. Caution Do not disconnect the battery cable for 1 minute after turning OFF the ignition switch. 3. Remove the air intake duct from the turbocharger assembly and intercooler. 2. Coolant drain 4. Disconnect the oil feed pipe from the turbocharger assembly. 1. Drain coolant from the radiator. Caution After draining the coolant, do not forget to tighten the drain plug.
Note Remove the clip. 5. Remove the oil feed pipe from the oil port cover. 3. Engine harness disconnect Note Remove the clip. 1. Disconnect the engine harness from the engine assembly. 6. Disconnect the oil return pipe from the turbocharger assembly. Note Disconnect each connector. 7. Remove the oil return pipe from the flywheel housing. 4. Ventilation hose disconnect 1. Remove the air leak pipe from the EGR cooler and bracket. Note The existence or nonexistence of the equipment varies depending on the machine manufacturer. 2. Disconnect the ventilation hose from the air breather. 1. Air leak pipe 2. Oil level gauge guide tube 3. Ventilation hose 4. Bracket 1. Oil feed pipe 2.
Oil return pipe