Isuzu Engines 4JB1 for Case Service Manual PDF

Service manual contains maintenance manual, detailed service and repair information, special instructions for repair and maintenance, wiring diagrams, service documentation and other additional information that is presented specifically for engines Isuzu.
Online maintenance manual includes pictures (screenshots) and drawings, which show the location of the necessary components and be able to carry out installation or removal of any details.
This manual comes in PDF. To view the information you must have the program Adobe Reader.
Service manual is a system of assistance in the operation and repair of engines Isuzu, which allows to detect and resolve problems arising and uncertainties.

CONTENTS:

• Section 1 - General Information
  • General repair instructions
  • Notes on the format of this manual
  • Main data and specifications
  • Tightening torque specifications
  • Major component mounting nuts and bolts
  • Identification
• Section 2 - Maintenance
  • Fuel system
  • Cooling system
  • Valve clearance adjustment
  • Injection timing
  • Compression pressure measurement
  • Engine repair kit
  • Note: Maintenance intervals such as fuel or oil filter changes should be referred to in the Operator’s Manual.
• Section 3 - Disassembly
  • External parts disassemby steps
  • Rocker arm and rocker arm shaft disassembly steps
  • Cylinder head disassembly steps
  • Piston and connecting rod disassembly steps
  • Camshaft, camshaft timing gear and thrust plate disassembly steps
• Section 4 - Inspection and repair
  • Cylinder head
  • Valve guide
  • Valve and valve seat insert
  • Valve spring
  • Rocker arm shaft and rocker arm
  • Cylinder body
  • Cylinder block
  • Tappet
  • Camshaft
  • Crankshaft and bearing
  • Crankshaft pilot bearing
  • Flywheel and ring gear
  • Piston
  • Piston ring
  • Piston pin
  • Connecting rod
  • Idler gear shaft and idler gear
  • Timing gear case cover
• Section 5 - Reassembly
  • Rocker arm shaft and rocker arm reassembly
  • Cylinder head reassembly
  • Piston and connecting rod reassembly steps
  • Camshaft, camshaft timing gear and thrust plate
  • Major component reassembly steps
  • External parts reassembly steps
• Section 6 - Lubricating system
  • Main data and specifications
  • General information
  • Oil pump
  • Oil filter with built-in oil cooler
• Section 7 - Cooling system
  • Main data and specifications
  • General description
  • Water pump
  • Thermostat
• Section 8 - Fuel system
  • Main data and specifications
  • General description
  • Injection nozzle
• Section 12 - Troubleshooting
  • Unstable low idling
  • Insufficient power
  • Excessive fuel consumption
  • Excessive oil consumption
  • Overheating
  • White exhaust smoke
  • Dark exhaust smoke
  • Oil pressure does not rise
  • Abnormal engine noise
• Section 13 - Special tools
  • Special tool list