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Home >> Mitsubishi >> 2010 >> Lancer ES, Standard >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> Engine Overhaul <2.0L Non-Turbo> - Lancer >> Cylinder Head And Valves >> Removal And Installation >> Installation Service Points >> >>D<< Cylinder Head Bolt Installation

>>D<< Cylinder Head Bolt Installation

  1. Install new cylinder head bolts and washers in the following procedure.
    NOTE: Cylinder head bolts and washers must not be reused.
  2. Apply an appropriate amount of engine oil to top and bottom surfaces of washers and threaded portion of bolts.
  3. Install cylinder head bolts to the cylinder head.
    NOTE: Bolts and washers are different parts for bolts on the timing chain side.
  4. Tighten cylinder head bolts in several steps to the specified torque according to the assembly order shown.

    Specified torque: 35 ± 2 N.m (26 ± 1 ft-lb) 

    Fig 1: Identifying Cylinder Head Bolts Tightening Sequence
    G06671050Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  5. Put a paint mark on all of cylinder head bolt heads and cylinder head.
    CAUTION:
    • When the tightening angle is smaller than the specified tightening angle, the appropriate tightening capacity cannot be secured.
    • When the tightening angle is larger than the specified tightening angle, remove the bolt to start from the beginning again according to the procedure.
      Fig 2: Identifying Cylinder Head Bolt Tightening Angle
      G06671051Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  6. Tighten the cylinder head 90° according to the tightening order.

    Tighten it further 90° and make sure that the paint mark on the cylinder head bolt is in a straight line with that on the cylinder head.

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