Isuzu 4JA1 / 4JH1 / 4JB1 engine, repair e-manual
About the manual
Engine type: Isuzu 4JA1 / 4JH1 / 4JB1
In the manual you will find
- Step-by-step guide to repair various components and assemblies
- Self-care and maintenance instructions
- Car design and prevention information
- Information for a trip to the service station, if self-repair is not possible
About the manual
Engine type: Isuzu 4JA1 / 4JH1 / 4JB1
In the manual you will find
- Step-by-step guide to repair various components and assemblies
- Self-care and maintenance instructions
- Car design and prevention information
- Information for a trip to the service station, if self-repair is not possible
Content
Engines 4JA1 / 4JH1
Troubleshooting
- Hard starting
- Unstable idling
- Insufficient power
- Excessive fuel consumption
- Excessive oil consumption
- Overheating
- White exhaust smoke
- Dark exhaust smoke
- Oil pressure does not rise
- Abnormal engine noise
- Rotating part wear of turbocharger
- Oil leakage from turbochrger
- Insufficient acceleration and/or lack of power due to turbocharger
- Battery charging and noise problem
- Starter motor problem
Engine mechanical
- Main data and specifications
- Torque specification
- Recommended liquid gasket
- Loctite application procedure
- Servicing
- General description
- Removal and installation
- Engine repair kit
- Engine overhaul
- Inspection and repair
- Lubrication system
- Inter cooler
- Special tools
Engine cooling
- Main data and specifications
- Diagnosis
- Draining and refilling cooling system
- Water pump
- Thermostat
- Radiator
- Fan clutch with cooling fan
Fuel system
- Main data and specifications
- General description
- Fuel tank
- Fuel gauge unit
- Fuel tube / quick - connector fittings
- Filler neck
- Fuel filler cap
- Injection pump
- Injection nozzle (4JA1L)
- Special tools
Engine electrical
- Main data and specifications
- General description
- Torque specifications
- Generator
- Starter motor
- Pre-heating system
Engine control system
- Specifications
- Schematic and routing diagrams
- Component locator
- Diagnostic information and prosedures
- Repair instructions
- Description and operation
- Special tools and equipment
Exhaust system
- Main data and specifications
- General description
- Removal and installation
- Inspection and repair
- General description
- EGR system diagram
- Inspection
- EGR cooler (4JA1TC / 4JH1TC EURO-III model)
- Turbocharger
- General description
- Inspection and repair
- Special tools
- IHI service network
Accelerator control
- Removal and installation
Engine 4JB1
Service information
Main data and specifications
Service standard
Servicing
Model identification
Lubricating system
Fuel system
Cooling system
Engine control
Fixing torque
Special tools