3054 Truck Engine Caterpillar

Removal Procedure

Start By:

1. Disconnect the electrical connections at the battery.
2. Drain the coolant system. If the engine uses Diesel Engine Antifreeze/Coolant (DEAC), refer to Operation and Maintenance Manual, "Cooling System Coolant (DEAC) - Change". If the engine uses Extended Life Coolant (ELC), refer to Operation and Maintenance Manual, "Cooling System Coolant (ELC) - Change".
3. Remove the turbocharger, if equipped. Refer to Disassembly and Assembly, "Turbocharger - Remove".
4. Remove the Inlet and exhaust manifold. Refer to Disassembly and Assembly, "Inlet and Exhaust Manifold - Remove and Install".
5. Remove the fuel injection lines. Refer to Disassembly and Assembly, "Fuel Injection Lines - Remove and Install".
6. Remove the fuel injection nozzles. Refer to Disassembly and Assembly, "Fuel Injection Nozzles - Remove".
7. Remove the fuel filter base. Refer to Disassembly and Assembly, "Fuel Filter Base - Remove and Install".
8. Remove the expansion tank. Refer to Disassembly and Assembly, "Expansion Tank - Remove and Install".
9. Remove the engine crankcase breather. Refer to Disassembly and Assembly, "Crankcase Breather - Remove and Install".
10. Remove the valve mechanism cover. Refer to Disassembly and Assembly, "Valve Mechanism Cover - Remove and Install".
11. Remove the rocker shaft assembly and the pushrods. Refer to Disassembly and Assembly, "Rocker Shaft and Pushrod - Remove".

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Illustration 1	g00550160
Typical example

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Illustration 2	g00550162

1. Gradually loosen 22 cylinder head bolts (1) in the reverse order that is shown in Illustration 2. This will help prevent distortion of the cylinder head.

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Illustration 3	g00550163
Typical example

2. Attach a suitable lifting device to cylinder head (2). Carefully lift cylinder head (2) off the engine block. The weight of the cylinder head is 41 kg (90 lb).

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NOTICE
Place the cylinder head on a surface that will not scratch the face of the cylinder head.

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Illustration 4	g00550165

3. Remove cylinder head gasket (3) .

4. Note the location of dowels (4) on each end of the cylinder block. Dowels (4) hold cylinder head gasket (3) in place while cylinder head (2) is installed.

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Illustration 5	g00741112

5. Align straight edge (7) with bolt (6) in order to check for distortion. If there is a visible reduction in the diameter of thread (8) that has not been in engagement with the cylinder block, the bolts must be replaced.