Ford Fiesta: Engine System - General Information / Piston Ring End Gap. General Procedures
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
Inspection
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...
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:
Removal
NOTICE:
Suspension fasteners are critical parts that affect
performance of vital components and systems. Failure of these fasteners
may result in major service expense. Use the same or equivalent parts if
replacement is necessary...
Special Tool(s) /
General Equipment
Strap Wrench
Oil Drain Equipment
Hose Clamp Remover/Installer
Materials
Name
Specification
Engine Oil - SAE 5W-20 - Synthetic Blend Motor OilXO-5W20-Q1SP
WSS-M2C945-B1
Motorcraft® Thread Sealant with PTFETA-24-B
WSK-M2G350-A2
Removal
With the vehicle in NEUTRAL..
Categories
Removal
NOTICE:
If the fluid is spilled on the paintwork, the affected area must be immediately washed down with cold water.
NOTE:
Removal steps in this procedure may contain installation details.
All vehicles
Remove the battery tray.
Refer to: Battery Tray - 1.6L Duratec-16V Ti-VCT (88kW/120PS) – Sigma
(414-01 Battery, Mounting and Cables, Removal and Installation).
Refer to: Battery Tray - 1.6L EcoBoost (132kW/180PS) – Sigma (414-01 Battery, Mounting and Cables, Removal and Installation).
Disconnect the vacuum tube from the brake booster and detach the routing clip.
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