Disassembly And Assembly Of Subassemblies: Piston: Assembly

WARNING: This page is about a different variant/trim than selected.

Indicates front of engine.

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Install the piston to the connecting rod.

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Lubricate with clean engine oil and install the piston pin.
Material: Motorcraft ® SAE 5W-20 Synthetic Blend Motor Oil / XO-5W20-QSP (WSS-M2C945-A)

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Install the new piston pin retainers.

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Lubricate with clean engine oil and install the new piston rings.
Material: Motorcraft ® SAE 5W-20 Synthetic Blend Motor Oil / XO-5W20-QSP (WSS-M2C945-A)

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NOTE: The upper and lower compression rings are to be fitted with the identification marks on the upper side.

NOTE: Arrows faces the front of the engine.

NOTE: Align the piston rings on the piston.
1. Upper compression ring gap location.
2. Lower compression ring gap location.
3. Upper oil control segment ring gap location.
4. Expander ring gap location.
5. Lower oil control segment ring gap location.
Courtesy of FORD MOTOR COMPANY