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Home >> Jeep >> 2003 >> Grand Cherokee 2WD V8-4.7L >> Repair and Diagnosis >> Maintenance >> Service Intervals >> Severe Service >> 30000 MI or 48000 KM

30000 MI or 48000 KM

Lubricate
    Ball Joint
      Lubricate steering and suspension ball joints.
Inspect
    Positive Crankcase Ventilation Valve
      Inspect the PCV valve and replace as necessary. This maintenance is recommended to the customer, but is not required to maintain the warranty on the PCV valve.
    Exhaust System
    Cooling System
      Inspect coolant level, hoses and clamps.
    Air Filter Element
      Inspect engine air filter element, replace if necessary.
Replace
    Spark Plug
    Oil Filter, Engine
    Fluid Filter - A/T
      Replace main sump filter.
    Fluid - A/T
    Engine Oil
Rotate
    Tires