Cylinder Bore Out-of-Round

WARNING: This page is about a different car, the 2010 Lincoln MKX and 2010 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Refer to the appropriate ENGINE - 3.5L for the specification.

Measure the cylinder bore in 2 directions. The difference is the out-of-round.

Fig 1: Measuring Cylinder Bore In Out-Of-Round
Courtesy of FORD MOTOR CO.