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Home >> Toyota >> 2006 >> Highlander Limited, FWD >> Repair and Diagnosis >> Maintenance >> Procedures >> Maintenance - Except Hybrid >> Engine >> General Maintenance

General Maintenance

HINT:

Inspect these items on a cooled down engine.

  1. REPLACE TIMING BELT OR CHAIN
    TIMING BELT OR CHAIN REFERENCE CHART

    Type See
    2AZ-FE REMOVAL
    3MZ-FE REMOVAL
  2. INSPECT DRIVE BELT
    DRIVE BELT REFERENCE CHART

    Type See procedure
    2AZ-FE REMOVAL
    3MZ-FE REMOVAL
  3. INSPECT SPARK PLUGS
    SPARK PLUGS REFERENCE CHART

    Type See
    2AZ-FE IGNITION SYSTEM
    3MZ-FE IGNITION SYSTEM
  4. INSPECT AIR FILTER
    1. Remove the air filter.
    2. Visually check that the air filter is not excessively damaged or oily.

      HINT:

      Oiliness may indicate that the PCV valve is stuck. If necessary, replace the air filter.

    3. Clean the filter with compressed air.

      First blow from the inside thoroughly, and then blow from the outside of the filter.

    4. Reinstall the air filter.
      Fig 1: Cleaning Filter With Compressed Air
      G04423817Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REPLACE AIR CLEANER FILTER
    1. Replace the air filter with a new one.
  6. REPLACE ENGINE OIL AND OIL FILTER
    ENGINE OIL AND OIL FILTER REFERENCE CHART

    Type See
    2AZ-FE LUBRICATION SYSTEM
    3MZ-FE LUBRICATION SYSTEM
  7. INSPECT ENGINE COOLANT
    ENGINE COOLANT REFERENCE CHART

    Type See
    2AZ-FE COOLING SYSTEM
    3MZ-FE COOLING SYSTEM
  8. INSPECT GASKET IN FUEL TANK CAP
    GASKET IN FUEL TANK CAP REFERENCE CHART

    Type See
    2AZ-FE PRECAUTION
    3MZ-FE PRECAUTION
  9. INSPECT FUEL LINES AND CONNECTIONS, FUEL TANK VAPOR VENT SYSTEM HOSES AND FUEL TANK BANDS
    1. Visually check the fuel lines for cracks, leakage, loose connections, deformation or tank band looseness.
  10. INSPECT EXHAUST PIPES AND MOUNTINGS
    1. Visually check the pipes, hangers and connections for severe corrosion, leaks or damage.
  11. INSPECT VALVE CLEARANCE
    VALVE CLEARANCE REFERENCE CHART

    Type See
    2AZ-FE ENGINE
    3MZ-FE ENGINE