Cylinder Head - Remove
Removal Procedure
Start By:
- Disconnect the electrical connections at the battery.
- 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".
- Remove the air inlet manifold. Refer to Disassembly and Assembly, "Air Inlet Manifold - Remove".
- Remove the exhaust manifold. Refer to Disassembly and Assembly, "Exhaust Manifold - Remove and Install".
- Remove the fuel injection nozzles. Refer to Disassembly and Assembly, "Fuel Injection Nozzles - Remove".
- Remove the fuel filter base. Refer to Disassembly and Assembly, "Fuel Filter Base - Remove and Install".
- Remove the water outlet manifold. Refer to Disassembly and Assembly, "Water Outlet Manifold - Remove".
- Remove the rocker shaft assembly and the pushrods. Refer to Disassembly and Assembly, "Rocker Arm and Shaft - Remove".
- 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 1 | g00550160 |
Typical example |
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Illustration 2 | g00550162 |
- 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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Illustration 3 | g00550163 |
Typical example |
- Remove cylinder head gasket (3) .
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NOTICE |
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Place the cylinder head on a surface that will not scratch the face of the cylinder head. |
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Illustration 4 | g00550165 |
- 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.
- 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.
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Illustration 5 | g00741112 |
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