Ford Focus Service Manual: Piston Ring-to-Groove Clearance

Ford Focus Service Manual / Powertrain / Engine / Engine Block / Cylinder Block / Piston Ring-to-Groove Clearance

Special Tool(s)

Feeler Gauge Set
303-D027 (D81L-4201-A) or equivalent

NOTE:

Refer to the appropriate Section 303-01 for the specification.

Inspect the piston for ring land damage or accelerated wear.

Using the Feeler Gauge Set, measure the piston ring-to-groove clearance.

Piston Ring End Gap

Special Tool(s) Feeler Gauge Set 303-D027 (D81L-4201-A) or equivalent NOTICE: Use care when fitting piston rings to avoid possible damage to the piston ring or the c ...

Piston Pin Bore Diameter

NOTE: Refer to the appropriate Section 303-01 for the specification. NOTE: Piston and piston pins are a matched set and should not be interchanged. Measure the piston pin bore diameter in ...

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