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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 >> Valve Spring

Valve Spring

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. Measure free height of the spring.

    If the limit is exceeded, replace the spring.

    Fig 1: Identifying Valve Spring Height And Squareness
    G09663548Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

    Standard value: Inlet 51.9 mm (2.043 inch) Exhaust 52.0 mm (2.047 inch) 

    Limit: Inlet 50.9 mm (2.004 inch) Exhaust 51.0 mm (2.008 inch) 

  2. Measure squareness of the spring.

    If the inclination exceeds the limit, replace the spring.

    Standard value: 2° or less Limit: 4°