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Detailed steps for diagnosing engine problems, their causes, and corrections.
Key technical specifications and data for engine models 4JB1 and 4JG2.
Provides standard measurements and limits for engine mechanical components.
General maintenance procedures for air cleaner and lubricating system.
Specifies torque values for cylinder head, rocker arm, and shaft components.
Lists specialized tools required for various engine maintenance and repair tasks.
Details disassembly, cleaning, inspection, and repair of the cylinder head.
Covers inspection and replacement procedures for valve train components.
Outlines disassembly, inspection, and installation of camshaft and tappets.
Details inspection and correction procedures for the rocker arm assembly.
Covers disassembly, inspection, and reassembly of the oil pump.
Explains removal, installation, and measurement of crankshaft and main bearings.
Details removal, inspection, and installation of pistons, rings, and connecting rods.
Covers cylinder liner projection, flatness, bore measurement, and grade selection.
Provides an overview of the 4JB1 and 4JG2 engine types and their features.
Details the removal and installation procedures for the right-hand engine mount.
Details the removal and installation procedures for the left-hand engine mount.
Covers removal and installation of the inlet manifold and related components.
Details removal and installation procedures for the exhaust manifold.
Explains inspection and installation of the oil cooler and its components.
Describes the removal and installation procedure for the oil filter cartridge.
Details the removal and installation of the cylinder head cover.
Covers removal, installation, and valve clearance adjustment of the rocker arm shaft.
Details removal and installation of valve stem oil seals and valve springs.
Outlines disassembly and inspection procedures for the timing gear system.
Describes the removal, installation, and tension adjustment of the timing belt.
Covers removal and installation of the cylinder head and gasket.
Details removal and installation procedures for the oil pan.
Covers disassembly, inspection, and reassembly of the oil pump assembly.
Details removal, inspection, and installation of pistons, rings, and connecting rods.
Outlines removal, inspection, and installation of the camshaft and tappets.
Describes removal and installation of the front oil seal for gear drive systems.
Describes removal and installation of the front oil seal for belt drive systems.
Details removal and installation of the rear oil seal for both drive types.
Covers removal and installation of the flywheel and pilot bearing.
Explains removal, installation, and measurement of crankshaft and main bearings.
Details the overall removal and installation of the engine assembly.
Provides an overview of the engine cooling system components and function.
Covers service procedures for the water pump and drive belts.
Details the removal and installation of the water pump assembly.
Explains the inspection and installation of the thermostat.
Covers radiator removal, inspection, and installation procedures.
Provides instructions for adjusting various drive belt tensions.
Discusses general safety precautions and procedures for working on the fuel system.
Covers fuel filter assembly removal and installation.
Details the removal and installation of the fuel filter assembly.
Explains the removal, installation, bleeding, and draining of the fuel filter cartridge.
Covers removal, inspection, and disassembly of injection nozzles.
Details removal and installation of the injection pump for gear drive systems.
Details removal and installation of the injection pump for belt drive systems.
Provides steps for setting the injection pump timing using a dial gauge.
Explains how to inspect and adjust the engine idling speed.
Lists test conditions and specifications for various injection pump models.
Presents performance diagrams for injection volume and governor adjustments.
Covers removal and installation procedures for the fuel tank.
Details removal and installation of the fuel gauge unit.
Explains removal and installation of the accelerator control cable.
Covers removal and installation of the accelerator control cable.
Details removal and installation of the accelerator pedal assembly.
Covers removal and installation of the idling control cable.
Describes the removal, cleaning, and inspection of the air cleaner element.
Covers general description, diagnosis, on-vehicle service, and data for the battery.
Explains the starting circuit, starter operation, and on-vehicle service.
Details the charging system, generator, and on-vehicle inspection.
Covers the QOS II preheating system's description, diagram, inspection, and troubleshooting.
Details the QOS III preheating system's description, diagram, and inspection.
Describes the QOS II preheating system's features and components.
Provides the electrical diagram and timing chart for the QOS II system.
Details inspection procedures for the thermo switch and glow plugs.
Lists common problems, causes, and troubleshooting steps for the QOS II system.
Explains the QOS III preheating system's features, components, and operation.
Presents the electrical block diagram for the QOS III preheating system.
Details inspection procedures for the QOS III system's quick heating and afterglow operations.
Explains the function and operation of the EGR system.
Shows the electrical wiring diagram for the EGR system.
Describes the operational conditions and logic of the EGR system.
Provides a step-by-step procedure for checking the EGR system components.
Details the inspection procedures for the Vacuum Switch Valve (VSV) and EGR Valve.
Discusses general inspection of the exhaust system and body areas.
Explains the function, types, and catalytic coating of the three-way catalytic converter.
Covers general checks and inspections for the exhaust system.
Details the removal and installation of the front exhaust pipe and its components.
Covers inspection procedures for the exhaust brake unit's operational and unit aspects.
Details inspection procedures for the exhaust brake unit's operational and unit aspects.
Provides main data and specifications for different turbocharger models.
Lists key specifications for IHI RHF 4H and RHB 5 turbochargers.
Explains the turbocharger's internal and external mechanisms and function.
Describes how to identify the turbocharger unit using its nameplate.
Outlines the procedures and precautions for turbocharger servicing.
Highlights critical precautions for turbocharger servicing to avoid damage.
Details the steps for disassembling the turbocharger into its main components.
Covers turbocharger pressure checks and wastegate operation tests.
Provides steps for reassembling the turbocharger components.
Lists contact information for IHI turbocharger service facilities worldwide.
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