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Home >> Mitsubishi >> 2014 >> Lancer ES Sportback >> Repair and Diagnosis >> External Pages >> Different car >> Section 50 (Engine Overhaul - 2.4L) >> Cylinder Head And Valves >> Inspection >> Cylinder Head

Cylinder Head

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  1. Check the cylinder head for water leakage, gas leakage, damage or cracks before cleaning.
  2. Completely remove oil, scale, sealant, carbon, etc. After cleaning oil passages, blow air to make sure that they are not clogged.
    CAUTION: The grinding limit shall be within 0.2 mm (0.008 inch) in combination with the cylinder block to be assembled.
  3. For the flatness on the cylinder head bottom, measure distortion using a straight edge and free gauge. If the distortion exceeds the limit, grind and repair it.

    Distortion on bottom Standard value: Within 0.05 mm (0.002 inch) Limit: 0.2 mm (0.008 inch) Grinding limit: 0.2 mm (0.008 inch) 

    Cylinder head height: 112.0 mm (44.1 inch) 

    Fig 1: Measuring Cylinder Head Distortion Using Straight Edge And Free Gauge
    G09663545Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.