2007 FORD FIESTA Workshop Manual

303-00-43 Engine System - General Information 303-00-43
GENERAL PROCEDURES
Piston Ring End Gap

~CAUTION:DO not mix up the piston rings.
Install the piston rings in the same position
and location.
Take the piston ring and use
a piston without
rings to push the piston ring about
30 mm
into the cylinder bore.
2. Using the Feeler Gauge, measure the piston
ring gap.
2006.0 Fiesta 1212006 GI 7632en
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303-0044 Engine System - General Information 303-00-44 ,
GENERAL PROCEDURES
Piston Ring-to-Groove Clearance
General Equipment
I Feeler Gauge I
I. N0TE:The piston ring must protrude from
the piston groove. To determine the piston
ring clearance, insert the Feeler Gauge right
to the back of the groove, behind the wear
ridge.
Using the Feeler Gauge, measure the piston
ring clearance.
2006.0 Fiesta 1212006 GI 7633en
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303-0045 Engine System - General Information 303-00-45
GENERAL PROCEDURES
Piston Pin Diameter
I. N0TE:The piston and piston pin are a
matched pair. Do not mix up the
components.
Measure the piston pin diameter.
Measure the diameter in two directions.
If the values are not to specification, install
a new piston and a new piston pin.
2006.0 Fiesta i~12006 GI 7634en
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303-00-46 Engine System - General Information 303-00-46
GENERALPROCEDURES
Connecting Rod Large End Bore
1. Measure the bearing bore in two directions.
The difference is the connecting rod bore
out-of-round. Verify the out-of-round and the
bearing bore is within specification.
2006.0 Fiesta 1212006 GI 7635en
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303-0047 Engine System - General Information 303-00-47
GENERALPROCEDURES
Valve Stem Diameter
I. Using a micrometer measure the diameter
of the valve stems.
If the measurements are not to specification,
install a new valve.
2006.0 Fiesta 1212006 GI 7636en
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303-0048 Engine System - General Information 303-00-48
GENERAL PROCEDURES
Flywheel Inspection
1. Inspect the flywheel. If there is evidence of
the following, install a new flywheel.
1. Cracks.
2. Worn ring gear teeth.
3. Chipped or cracked ring gear teeth.
2006.0 Fiesta la2006 GI 7637en
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303-0049 Engine System - General Information 303-00-49
GENERAL PROCEDURES
Flywheel lnspection - Vehicles With: Dual Mass Flywheel
1. lnspection details for the dual mass flywheel
are contained in the Diagnosis and Testing
procedure.For additional information, refer
to: (308-00 Manual
Transmission/Transaxle
and Clutch - General Information)
Manual Transmission and Clutch
- Vehicles
With: MT-75 (Diagnosis and Testing),
Manual Transaxle and Clutch
vehicles With:
VXT-75 (Diagnosis and Testing),
Manual Transmission and Clutch
- Vehicles
With: MT82 (Diagnosis and Testing).
2006.0 Fiesta 1212006 G272661 en
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303-00-50 Engine System - General Information 303-00-50
GENERAL PROCEDURES
Cylinder Head Distortion
General Equipment
1 Straight edge I
1. Using a straight edge and feeler gauge,
measure the cylinder head distortion.
Measure the mating face distortion.
Refer to Specifications in the appropriate
engine section.
2006.0 Fiesta 1212006 GI 7638en
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