Ford Escape: Engine System - General Information / General Procedures - Piston Ring End Gap
Special Tool(s) /
General Equipment
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.
NOTE:
Piston rings should not be transferred from one piston to another.
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.
-
Using the Feeler Gauge Set measure the top piston ring end gap and the second piston ring end gap
Use the General Equipment: Feeler Gauge
Special Tool(s) /
General Equipment
Dial Indicator
Check
Verify that the cylinder block deck surface and the pistons are clean.
The piston protrusion is measured in-line front and rear avoiding raised or etched marking...
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...
Other information:
Lubricants, Fluids, Sealers and Adhesives
Market
Item
Specifications
US, Canada
Motorcraft® R-1234yf Refrigerant POE Oil / YN-34
WSS-M2C31-B2
US, Canada
Motorcraft® R-1234yf Refrigerant PAG Oil / YN-35
WSS-M2C300-A2
Mexico
Motorcraft® PAG Refrigerant Compressor Oil / YN-12-D
WSH-M1C231-B
..
NOTE:
Make sure the test is performed with the engine at
60.8
°F (
16
°C) or above.
Make sure the battery is fully charged. For additional information, refer to: Specifications (414-01 Battery, Mounting and Cables - 6.7L Power Stroke Diesel)
.
Disable the Fuel System. For Gasoline engines refer to: For
additional information, refer to: Fuel System Pressure Rele..