Isuzu Engine 4H Series Workshop Manual (LG4H-WE-9691)

This manual is applicable to 1996 year model and later vehicles except those sold in the United States of America, and Canada.

Before using this Workshop Manual to assist you in performing vehicle service and maintenance operations, it is recommended that you carefully read and thoroughly understand the information contained in Section OA under the headings “GENERAL REPAIR INSTRUCTIONS” and “HOW TO USE THIS MANUAL”.

Applicable Model:

  • NKR66
  • NPR66
  • NPR70
  • NPR71
  • NPS66
  • NPS71
  • NQR66
  • NQR70
  • NQR71

HIS MANUAL INCLUDES THE FOLLOWING SECTIONS:

Service Information

  • Troubleshooting
  • Main Data and Specifications
  • Service Standard
  • Servicing
  • Fixing Torque
  • Special Tools
  • Lubricating System

Engine Mechanical

  • Cylinder Head
  • Valve Spring, Valve Guide Oil Seal, Valve, Valve Guide
  • Camshaft
  • Rocker Arm Assembly
  • Oil Pump
  • Crankshaft
  • Piston and Connecting Rod
  • Cylinder Block

Engine (4HF1/4HF1-2/4HE1-T/4HE1-TC/4HG1/4HG1-T)

  • General Description
  • Engine Mount (RH, LH)
  • Cylinder Head Cover
  • Inlet Cover/lnlet Case
  • Exhaust Manifold
  • Timing Gear Replacement
  • Valve Guide Seal & Valve Spring
  • Rocker Arm Shaft Assembly
  • Camshaft Assembly
  • Cylinder Head
  • Circumference Parts Of Cylinder Head
  • Oil Filter Assembly
  • Oil Filter Cartridge
  • Oil Cooler
  • Oil Pan
  • Oil Pump Assembly
  • Oil Relief Valve
  • Piston, Piston Ring, Piston Pin and Connecting Rod
  • Flywheel and Pilot Bearing
  • Crankshaft Front Oil Seal
  • Crankshaft Rear Oil Seal
  • Crankshaft
  • Cylinder Block
  • Engine Assembly

Engine Cooling

  • General Description
  • On Vehicle Service
  • Water Pump
  • Thermostat
  • Radiator
  • Drive Belt Adjustment

Fuel System

  • General Description
  • On-Vehicle Service
  • Fuel Filter Assembly (Except 4HF1-2 model)
  • Fuel Filter Assembly (4HF1-2 model only)
  • Injection Nozzle Assembly
  • Injection Pump Assembly (Except 4HF1-2 model)
  • Injection Pump Assembly (4HF1-2 model only)
  • Injection Timing Adjustment
  • Injection Pump Data
  • Aneroid Compensator Adjustment
  • Fuel Tank
  • Fuel Gauge Unit
  • Accelerator Control
  • Accelerator Control Cable
  • Accelerator Pedal
  • Idling Control Cable
  • Air Cleaner Element

Engine Electrical

  • Battery
  • Starting System
  • Charging System
  • QOS-II Preheating System

Emission and Electrical Diagnosis

  • SUBJECT
  • GENERAL DESCRIPTION
  • DIAGNOSIS (4HE1-T/TC ONLY)
  • BRIEF EXPLANATION OF EMISSION AND ELECTRICAL CONTROL SYSTEM
  • WITHOUT DIAGNOSIS TROUBLE CODE
  • SPECIAL TOOLS
  • DIAGNOSIS (4HG1-T ONLY)
  • GENERAL SERVICE INFORMATION.
  • WITHOUT DIAGNOSIS TROUBLE CODE

Exhaust

  • General Description
  • Gasket
  • On-Vehicle Service
  • Front Exhaust Pipe

Turbocharger

  • General Description
  • On-Vehicle Service
  • Charge Air Pipe
  • Intake Manifold
  • Turbocharger
  • Inspection and Repair
  • Oil Leakage Check
  • Exhaust Manifold
  • Turbocharger Turbine Housing Replacement (For 4HG1-T model)
  • Charge Air Cooler

Language: English
Format: 
PDF
Pages:
691

Isuzu Engine 4H Series Workshop Manual (LG4H-WE-9691) PDF free online

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