Ford Focus Service Manual: Piston Ring End Gap

Ford Focus Service Manual / Powertrain / Engine / Engine Block / Cylinder Block / 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 cylinder bore.

NOTE:

Piston rings should not be transferred from one piston to another.

NOTE:

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

NOTE:

The cylinder bore must be within specification for taper and out-of-round.

Use a piston without rings to push a piston ring in a cylinder to the bottom of ring travel.

Use the Feeler Gauge Set to measure the top piston ring end gap and the second piston ring end gap.

Connecting Rod Bearing Journal-to-Bearing Clearance

NOTE: Refer to the appropriate Section 303-01 for the specification. NOTE: The crankshaft connecting rod journals must be within specifications to check the connecting rod bearing journal clearan ...

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 ...

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