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Valve Spring

WARNING: This page is about a different car, the 2004 Mitsubishi Eclipse. However, it is still accessible from the selected car via links, so may be relevant.
  1. Measure the free height of the spring. If it is less than the limit, replace.
    Fig 1: Measuring Free Height Of Spring
    G03299049Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

    Standard value: 51.0 mm (2.00 inches)

    Minimum limit: 50.0 mm (1.97 inches)

  2. Measure the squareness of the spring. If it exceeds the limit, replace.

    Standard value: 2 degree angle or less

    Limit: 4 degree angle