Ford Fusion: Engine System - General Information / Piston Inspection. General Procedures
Inspection
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NOTE:
Do not use a caustic cleaning solution or a wire brush to clean the pistons or damage can occur.
Clean and inspect the (1) ring lands, (2) pin bosses,
(3) skirts and the (4) tops of the pistons. If wear marks, scores or
glazing is found on the piston skirt, check for a bent or twisted
connecting rod.
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NOTE:
Make sure the oil ring holes are clean.
Using a Piston Ring Groove Scraper, clean the piston ring grooves.
Special Tool(s) /
General Equipment
Feeler Gauge
Cleaning
Clean the exhaust manifold using a suitable solvent. Use
a plastic scraping tool to clean the gasket sealing surfaces...
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...
Other information:
Materials
Name
Specification
Engine Oil - SAE 5W-20 - Synthetic Blend Motor OilXO-5W20-Q1SP
WSS-M2C945-B1
Removal
NOTICE:
Do not loosen any fittings or plugs on the high-pressure fuel pump.
Release the fuel system pressure...
Removal
NOTE:
Removal steps in this procedure may contain installation details.
Using a non-marring tool release and position the hazard flasher switch.
Disconnect the electrical connector and remove the hazard flasher switch...