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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 >> Replacement Procedure Of Valve Guide

Replacement Procedure Of Valve Guide

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  1. Pull out the valve guide with a press toward the cylinder block side.
    CAUTION: Do not use a valve guide with the same size as that of the pulled out valve guide because it cannot be press fitted.
  2. Ream the valve guide hole of the cylinder head to match it with the diameter of the oversize valve guide to be press fitted.

    Valve guide bore diameter 0.25 O.S.: 11.23 - 11.25 mm (0.4422 - 0.4429 inch) 

  3. Press fit the valve guide to the illustrated dimension.

    Standard value Inlet side: 15.1 - 15.7 mm (0.60 - 0.61 inch) Exhaust side: 19.7 - 20.3 mm (0.78 - 0.79 inch) 

    NOTE: Press fit the valve guide from the cylinder head top surface.
  4. After pressing fit the valve guide, insert a new valve to check for sliding.
    Fig 1: Identifying Valve Guide Inlet And Exhaust Side
    G09663554Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.