ISUZU 4HF1 4HG1 4HE1 Series Engine Workshop Service Manual

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Print one or all pages of your manual
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This workshop service repair manual covers the following engines:

  • 4.3L 4-cylinder, 4-cycle, overhead camshaft, water-cooled, Isuzu 4HF1 & 4HF1-2 diesel engine
  • 4.6L 4-cylinder, 4-cycle, overhead camshaft, water-cooled, Isuzu 4HG1 & 4HG1-T (turbo) diesel engine
  • 4.8L 4-cylinder, 4-cycle, overhead camshaft, water-cooled, turbocharged, Isuzu 4HE1-T & 4HE1-TC diesel engine

The manual includes the following contents:

  • Service information
  • Main data and specifications
  • Service standard
  • Fixing torque
  • Special tools
  • Lubricating system
  • Engine mechanical
  • Cylinder head-cylinder block
  • Valve spring, valve guide oil seal
  • Valve and valve guide
  • Camshaft-crankshaft
  • Rocker arm assembly-oil pump
  • Piston and connecting rod
  • Engine cooling
  • Thermostat-radiator
  • Fuel system
  • Fuel injection
  • Accelerator control
  • Air cleaner element
  • Engine electrical
  • Battery charging
  • Starting system
  • QOS II preheating system
  • Emission and electrical diagnosis
  • Engine control module (ECM)
  • EGR (exhaust gas recirculation) system
  • VSS (variable swirl system)
  • Auxiliary engine control system
  • Exhaust system
  • Turbocharger system
  • Intake manifold
  • Exhaust manifold
  • Troubleshooting
  • System wiring diagram

This comprehensive manual for the Isuzu 4HF1, 4HG1, and 4HE1 series engine features detailed exploded views and is the same manual used by technicians for vehicle repairs. It covers detailed step-by-step procedures with pictures and diagrams, fully printable-selected pages or the whole manual, illustrated for ease of use. This manual is ideal for repairs, maintenance, and servicing, and is available in .PDF format.

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