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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 >> Removal And Installation >> Installation Service Points >> >> E << Cylinder Head Bolt Assembly Installation

>> E << Cylinder Head Bolt Assembly Installation

WARNING: This page is about a different car, the 2014 Mitsubishi Outlander. However, it is still accessible from the selected car via links, so may be relevant.
  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.
    Fig 1: Installing Cylinder Head Bolts To Cylinder Head
    G09663542Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  4. Tighten cylinder head bolts in several steps to the specified torque of 35 ± 2 N.m (26 ± 1 ft-lb) according to the assembly order.
    Fig 2: Cylinder Head Bolt Tightening Sequence
    G09663543Courtesy 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.
  6. Tighten the cylinder head 90° according to the tightening order.
    Fig 3: Identifying Cylinder Head Bolt Heads Paint Mark
    G09663544Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

    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.