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Home >> Mercury >> 2002 >> Grand Marquis LSE >> Repair and Diagnosis >> General Information >> Engine >> Engine System - General Information >> General Procedures >> Valve Spring Squareness

Valve Spring Squareness

  1. Measure the out-of-square on each valve spring.
    • Turn the valve spring and observe the space between the top of the valve spring and the square. Install a new valve spring if out of square.
    Fig 1: Measuring Valve Spring Squareness
    G01941828Courtesy of FORD MOTOR CO.
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