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Isuzu - DAILY & MONTHLY INSPECTION

The following lists all common Daily and Monthly Inspections that should be performed on Isuzu Engines and DPF/SCR Systems.

For Pre-2010 engines, discard all maintenance items relating to the SCR System  (I.E. SCR and DEF items). 

DAILY


DAILY
   INSPECTIONS

ENGINE INSPECTIONS:

  • Engine Oil Level

  • Coolant Level

  • Diesel Exhaust Fluid Level

  • Exhaust Leaks

  • Turbocharger Air Intake, CAC, & Boost Side of CAC

  • Crankcase Breather Tubing

  • Accessory Belt

  • Cooling Fan & Shroud

  • Engine Noise


 

DPF/SCR DAILY INSPECTIONS:

  • DEF Fluid Level

  • Exhaust Leaks or Damage to Exhaust System or Mounting Hardware

  • DEF Fluid Tank Breather Tubing free and clear


 

MONTHLY


MONTHLY
   INSPECTIONS

ENGINE INSPECTIONS:

  • Engine Air Filter Indictor

  • Charge Air Cooler and Tubing, signs of wetness from Oil Entry from CCV System or Turbo Oil Consumption

  • Coolant Quality and Level

  • Radiator Blockage or Leaks

  • Diesel Exhaust Fluid Contamination

  • Turbocharger Air Intake, CAC, & Boost Side of CAC

  • Crankcase Breather Tubing

  • Engine Mounts & Mounting Bolts (Cracks? Loose?)


 

DPF/SCR MONTHLY INSPECTIONS:

  • DEF Fluid Contamination

  • Excessive DPF Active REGENs (pre the operator, or via ISUZU IDSS2 or SCAN TOOL)

  • DEF Fluid Crystallization build up near the DEF Nozzle or SCR Catalyst

  • Repair any Diesel Fuel Leaks at the DPF Fuel Injector (where applies)


 

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