Cylinder Bore Taper

2009 Mercury Milan Premier, 3.0 1, AWDSECTION Cylinder Bore Taper
WARNING: This page is about a different car, the 2010 Mercury Mariner and 2010 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Refer to SPECIFICATIONS for the specification.
  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 limit.
    Fig 1: Measuring Cylinder Bore At Top, Middle And Bottom Directions
    G06064069Courtesy of FORD MOTOR CO.
RENDER: 1.0x

NO RELATED

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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

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