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Need help?Do you have a question about the Hitachi 4HK1 and is the answer not in the manual?
Details the various types of content covered in the service information.
Explains the meaning of arrows and symbols used in diagrams and illustrations.
Describes the procedure for using a plastic gauge for measurement.
Lists recommended liquid gaskets and their application procedures.
Details the types and application of thread locking adhesive agents.
Defines key terms used throughout the manual for clarity.
Provides a list of abbreviations and their full meanings.
Lists standard bolt specifications and tightening torques.
Covers mechanical procedures for the 4HK1 engine.
Procedures for removing and installing the cylinder head cover.
Procedures for removing and installing the cylinder head assembly.
Detailed steps for removing the cylinder head cover.
Procedures for removing the lower cover from the cylinder head.
Steps for removing engine injectors.
Procedures for removing the rocker arm shaft.
Steps for removing the camshaft.
Procedures for removing the bridge component.
Detailed steps for removing the cylinder head assembly.
General procedures for engine disassembly.
Steps for removing the exhaust manifold.
Procedures for removing the thermostat.
Steps for removing the overheat switch.
Procedures for removing the engine coolant temperature sensor.
Steps for removing the CMP sensor.
Procedures for removing the idle gear C.
Steps for removing valve springs.
Procedures for removing valve stem oil seals.
Steps for removing valve guides.
Procedures for removing the inlet valve.
Procedures for removing the exhaust valve.
Details the various types of content covered in the service information.
Explains the meaning of arrows and symbols used in diagrams and illustrations.
Describes the procedure for using a plastic gauge for measurement.
Lists recommended liquid gaskets and their application procedures.
Details the types and application of thread locking adhesive agents.
Defines key terms used throughout the manual for clarity.
Provides a list of abbreviations and their full meanings.
Lists standard bolt specifications and tightening torques.
Covers mechanical procedures for the 4HK1 engine.
Procedures for removing and installing the cylinder head cover.
Procedures for removing and installing the cylinder head assembly.
Detailed steps for removing the cylinder head cover.
Procedures for removing the lower cover from the cylinder head.
Steps for removing engine injectors.
Procedures for removing the rocker arm shaft.
Steps for removing the camshaft.
Procedures for removing the bridge component.
Detailed steps for removing the cylinder head assembly.
General procedures for engine disassembly.
Steps for removing the exhaust manifold.
Procedures for removing the thermostat.
Steps for removing the overheat switch.
Procedures for removing the engine coolant temperature sensor.
Steps for removing the CMP sensor.
Procedures for removing the idle gear C.
Steps for removing valve springs.
Procedures for removing valve stem oil seals.
Steps for removing valve guides.
Procedures for removing the inlet valve.
Procedures for removing the exhaust valve.
General| Engine Model | 4HK1 |
|---|---|
| Cylinder Arrangement | In-line |
| Number of Cylinders | 4 |
| Displacement | 5.2 L |
| Compression Ratio | 17.5:1 |
| Aspiration | Turbocharged |
| Bore x Stroke | 115 mm x 125 mm |
| Fuel System | Direct Injection |
