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General| Engine Model | 4JJ1-TC |
|---|---|
| Bore x Stroke | 95.4 mm x 104.9 mm |
| Compression Ratio | 17.5:1 |
| Fuel System | Common Rail Direct Injection |
| Fuel Type | Diesel |
| Displacement | 2999 cc |
| Horsepower | 150 hp @ 2800 rpm |
| Torque | 375 Nm @ 1600-2800 rpm |
| Engine Type | Inline 4-cylinder, turbocharged and intercooled |
Diagnosing and resolving common engine issues and symptoms.
Key technical data and specifications for engine models.
General maintenance procedures for qualified service personnel.
Torque specifications for various engine components.
List of specialized tools required for service procedures.
Disassembly, inspection, and repair of the cylinder head.
Procedures for valve train components inspection and replacement.
Disassembly, inspection, and repair of camshaft and tappets.
Inspection and correction of rocker arm assembly.
Disassembly, inspection, and repair of the oil pump.
Inspection and measurement of crankshaft and bearings.
Disassembly, inspection, and repair of pistons and connecting rods.
Inspection and measurement of cylinder liners and block.
Overview of the pressurized coolant forced circulation system.
Description and service information for the water pump.
Inspection and installation procedures for the thermostat.
Inspection and cleaning procedures for the radiator and its components.
Procedure for adjusting drive belt tension for various components.
Important precautions and general information for fuel system work.
On-vehicle service procedures for the fuel filter.
Removal, installation, bleeding, and draining procedures.
Types, disassembly, inspection, and installation of injection nozzles.
Removal and installation procedures for injection pump assembly.
Procedures for adjusting accelerator control cable and pedal.
Removal and installation of the idling control cable.
Cleaning and inspection methods for the air cleaner element.
General description, diagnosis, and on-vehicle service for the battery.
General description, starting circuit, and on-vehicle service of the starter.
General description, diagnosis, and on-vehicle service of the charging system.
Operation and troubleshooting for the QOS II preheating system.
System diagram and inspection for the QOS III preheating system.
Controls NOx emission by recirculating exhaust gas.
Wiring diagram and connector pin assignments for the EGR system.
Operational characteristics based on engine speed and coolant temperature.
Step-by-step procedure for checking EGR system components.
Inspection of Vacuum Switch Valve (VSV) and EGR valve.
Inspection of exhaust system components for damage and leaks.
Emission control device that reduces pollutants in exhaust gas.
Checks for rattles, noise, and damage in the exhaust system.
Removal and installation procedures for the front exhaust pipe.
Inspection of exhaust brake operation and component clearance.
Key data and specifications for turbocharger models.
Overview of turbocharger mechanism and operation.
Information on identifying the turbocharger unit via its nameplate.
Procedures for servicing and troubleshooting the turbocharger.
Steps for disassembling the turbocharger components.
Procedures for checking turbocharger pressure and wastegate operation.
Steps for reassembling the turbocharger components.
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