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Home >> Ford >> 2002 >> Windstar Base >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine System-General Information >> General Procedures >> Cylinder Bore - Taper

Cylinder Bore - Taper

  1. Measure the cylinder bore at the top, middle, and bottom of piston ring travel in 2 directions as indicated. Verify the cylinder bore is within the wear limit. The difference indicates the cylinder bore taper. Bore the cylinder to the next oversize.
    Fig 1: Measuring Cylinder Bore At Top, Middle, And Bottom Of Piston Ring Travel
    G03424764Courtesy of FORD MOTOR CO.