1999-2001 NPR Engine Manual (diesel)



 1999-2004 4HE-1 Isuzu Factory  Diesel Engine Manual*  

 Used In The Isuzu NPR/NPR HD/NQR


GM W3500/W4500/W5500

Contents Include:

  • Engine Replacement
  • Engine Overhaul
  • Engine Maintenance
  • Engine Electrical (starter charging system)
  • Engine Diagnostics
  • Mechanical Data
  • Fastner Torque
  • Cooling System
  • Fuel Injection System
  • Exhaust System
  • Emissions and Electrical Diagnosis

*4HE Isuzu engine was used from 1999-2004 subtle differences in the model years 2003-2004

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