Ford Fusion: Engine System - General Information / Piston Selection. General Procedures

Ford Fusion 2013–2020 Service Manual / Powertrain / Engine / Engine System - General Information / Piston Selection. General Procedures

Check

NOTE: Refer to the appropriate Section 303-01 for the specifications.

NOTE: The cylinder bore must be within the specifications for taper and out-of-round before fitting a piston.
- Measure the cylinder bore in 2 directions.
- Select a piston size based on the cylinder bore.

Ford Fusion. Piston Selection. General Procedures

NOTE: For precision fit, new pistons are divided into 3 categories within each size range based on their relative position within the range. A paint spot or specific size grade on a new piston indicates the position within the size range.
Choose the piston with the correct paint color or specific size grade.

Piston Ring End Gap. General Procedures

Special Tool(s) / General Equipment Feeler Gauge Check NOTE: Refer to the appropriate Section 303-01 for the specification. NOTE: Use care when fitting piston rings to avoid possible damage to the piston ring or the cylinder bore...

Piston Diameter. General Procedures

Check NOTE: Refer to the appropriate Section 303-01 for the specification. Measure the piston diameter 90 degrees from the piston pin and 41 mm (1...

Other information:

Ford Fusion 2013–2020 Service Manual: Timing Adjustment. General Procedures

Special Tool(s) / General Equipment Flat-Bladed Screwdriver Adjustment NOTICE: A new frame assembly is not equipped with a motor. When a motor is not installed, and the frame is moved, the cables/mechanisms can experience free-play movement causing the timing to become out of adjustment...

Ford Fusion 2013–2020 Service Manual: Driveshaft Angle Measurement. General Procedures

Check NOTE: This procedure does not apply to CV joints, flex couplers or double cardan joints that are used in some driveshafts. This check is for single-cross and roller-style joints found in the driveshafts. NOTE: Prior to checking driveline angularity, inspect the U-joints for correct operation...

Fuel Quality

Choosing the Right Fuel

Ford Fusion. Fuel Quality

Your vehicle is designed to operate on regular unleaded gasoline with a minimum pump (R+M)/2 octane rating of 87.