C4.4 Industrial Engine Caterpillar

Removal Procedure

Note: Plug and cap all open ports and tube assemblies.

1. Disconnect the air hose for the turbocharger inlet and for the turbocharger outlet.

2. If the turbocharger has a remote wastegate solenoid, disconnect the hose from the actuator on the turbocharger. Disconnect the hose assembly for the wastegate solenoid from the tube assembly for the oil feed on the turbocharger. The hose assembly is secured with clips.

3. Disconnect the exhaust pipe.

4. If the turbocharger has an exhaust elbow, remove the exhaust elbow. Refer to Disassembly and Assembly, "Exhaust Elbow - Remove and Install".
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   Illustration 1	g01780893

5. Remove bolts (10) in order to disconnect tube assembly (6) from the cylinder block. Remove gasket (8).

6. Remove bolt (7) in order to disconnect tube assembly (2) from the cylinder block. Remove sealing washers (9).

7. Remove bolt (3) for the tube clip.

8. Remove bolt (5) and spacer (4) for the tube clip.
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   Illustration 2	g01782773

9. Loosen nuts (14).

10. Remove banjo bolt (11) and remove tube assembly (2) for the oil feed from turbocharger (13). Remove sealing washers (12).

11. Remove exhaust manifold (1) and the assembly of the turbocharger from the cylinder head. Refer to Disassembly and Assembly, "Exhaust Manifold - Remove and Install" for the correct procedure.

12. Remove bolts (17) and remove tube assembly (6) for the oil drain from turbocharger (11).

13. Remove gasket (15).

14. Remove nuts (14) and remove turbocharger (13) from exhaust manifold (1).

    Note: Ensure that the exhaust manifold and the turbocharger are adequately supported during the removal of the turbocharger.

15. Remove gasket (16) from exhaust manifold (1).

16. If necessary, remove studs (18) from exhaust manifold (1).