engine system general information FORD FIESTA 2007 Manual Online

303-00-51 Engine System - General Information 303-00151
GENERAL PROCEDURES
Cylinder Block Distortion
1. Using a Straight Edge and a Feeler Gauge,
measure the cylinder
blocWcylinder head
distortion.
Measure the mating face distortion. If the value is not to specification rework the
mating face (if allowed).
2006.0 Fiesta 1212006 GI 7639en
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303-00-52 Engine System - General Information 303-00-52
GENERAL
PROCEDURES
Exhaust Manifold Cleaning and Inspection
I. Inspect the cylinder head joining flanges of
the exhaust manifold for evidence of exhaust
gas leaks.
2. Inspect the exhaust manifold for cracks,
damaged gasket surfaces, or other damage
that would make it unfit for further use.
2006.0 Fiesta 1212006 GI 7640en
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303-00-53 Engine System - General Information 303-00-53
GENERAL PROCEDURES
Bearing Inspection
1. Inspect bearings for the following defects.
1. Cratering - fatigue failure
2. Spot polishing
- incorrect seating.
3. Imbedded dirt engine oil.
4. Scratching - dirty engine oil.
5. Base exposed - poor lubrication.
6. Both edges worn -journal damaged.
7. One edge worn -journal tapered or bearing
not seated.
2006.0 Fiesta 1212006 GI 7641 en
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303-00-54 Engine System - General Information 303-00-54
GENERAL PROCEDURES
Valve Seat Inspection
General Equipment
I Valve seat width scale
1. Measure the width of the valve seat.
Measure the valve seat width using the Valve
seat width scale.
If the value is not to specification rework the
valve seat.
--
2006.0 Fiesta 1212006 GI 7642en
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Engine - 1.25L Duratec-1 6V (Sigma)ll.4L
303-01 A-I 2 Duratec-1 6V (Sigma)ll .6L Duratec-1 6V (Sigma) 303-01A-I 2
DIAGNOSIS AND TESTING
Enaine
REFER to Section 303-00 [Engine System -
General Information].
2006.0 Fiesta 1212006 GI 7645en
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Engine - 1.25L Duratec-I 6V (Sigma)ll.4L
303-01A-I 9 Duratec-1 6V (Sigma)/l .6L Duratec-1 6V (Sigma) 303-OIA-I 9
IN-VEHICLE REPAIR
Intake Manifold(21 183 0)
Removal 6. Remove the intake manifold lower retaining
bolt.
A WARNING:Do not smoke or carry lighted
tobacco or open flame of any type when
working on or near any fuel related
components. Highly flammable mixtures
are always present and may ignite. Failure
to follow these instructions may result in
personal injury.
1. Release the fuel system pressure. For
additional information, refer to
Section
31 0-00 [Fuel System - General
Information].
2. Disconnect the battery ground cable. For
additional information, refer to
Section
414-01 [Battery, Mounting and 7. Disconnect the engine wiring harness
Cables]. electrical connector.
3. Remove the air cleaner. For additional
information, refer to Section
303-1 2 [Intake
Air Distribution and Filtering].
4. Detach the power steering fluid reservoir
from the bracket and position
it to one side.
5. Remove the accessory drive belt. For
additional information, refer to
Section
303-05 [Accessory Drive].
8. Disconnect the positive crankcase ventilation
(PCV) hose from the PCV.
2006.0 Fiesta 1212006 GI 83728en
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Engine - 1.25L Duratec-1 6V (Sigma)llI4L
Duratec-1 6V (Sigma)/l .6L Duratec-1 6V (Sigma)
IN-VEHICLE REPAIR
19. Disconnect the fuel supply line quick Discard the O-ring seals.
release coupling. For additional
information, refer to Section
31 0-00 [Fuel
System
- General Information].
20. Disconnect the fuel return line quick release
coupling. For additional information, refer
to Section
31 0-00 [Fuel System - General
Information].
21. Detach the fuel line from the intake
manifold and position
it to one side.
Remove the cable tie.
22.
Remove the fuel supply manifold.
23. Detach the wiring harness and the coolant
hose from the intake manifold.
24. Detach the wiring harness from the intake
manifold.
25. Remove the intake manifold.
2006.0 Fiesta 1212006 GI 83728en
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Engine - 1.25L Dura
303-01 A-23 Duratec-1
6V (Sigma)ll .(
:ec-I 6V (Sigma)llm4L
L
Duratec-1 6V (Sigma)
303-01 Am23
IN-VEHICLE REPAIR
Discard the gaskets.
Installation
3. Attach the wiring harness and the coolant
hose to the intake manifold.
4. N0TE:lnstall new injector O-ring seals.
1. N0TE:lnstall new intake manifold gaskets. N0TE:Coat the 0-rina seals with clean enaine oil.
Install the intake manifold. V "
Install the fuel supply manifold.
2. Attach the wiring harness to the intake
manifold. 5. Connect the fuel return line quick release
coupling. For additional information, refer to
Section
31 0-00 [Fuel System - General
Information].
2006.0 Fiesta 1212006 GI 83728en
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Engine - 1.25L Duratec-1 6V (Sigma)llI4L
Duratec-1 6V (Sigma)/l .6L Duratec-1 6V (Sigma)
IN-VEHICLE REPAIR
6. Connect the fuel supply line quick release
coupling. For additional information, refer to
Section 310-00 [Fuel System
- General
Information].
7. Attach the fuel line to the intake manifold.
Install the cable tie. 8.
Connect the fuel injector electrical
connectors.
9. Connect the engine coolant temperature
(ECT) sensor electrical connector.
10. Attach the generator to the engine.
1. Install the stud and nut.
2006.0 Fiesta 1212006 GI 83728en
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Engine - 1.25L Duratec-1 6V (Sigma)llI4L
303-0 1 A-47 Duratec-1 6V (Sigma)/l .6L Duratec-1 6V (Sigma) 303-01 A-47
IN-VEHICLE REPAIR
Exhaust Manifold(21 187 0)
i Special Tool(s1 2. Remove the air cleaner.
--
Adapter for 303-290A
303-290-01 (21 -1 40-01
)
Adapter for 303-290A
303-290-02 (21 -1 40-02)
21 14002
General Equipment
21 14003
I Exhaust wrap I
Adapter for 303-290A
303-290-03A (21
-1 40-03A)
Removal
For additional information, refer to: Air
Cleaner - 1.25L Duratec-1 6V (Sigma)llm4L
Duratec-1 6V (Sigma)ll .6L Duratec-1 6V
(Sigma) (303-12 Intake Air Distribution and
Filtering, Removal and Installation).
3. Raise and support the vehicle.
For additional information, refer to: Lifting
(100-02 Jacking and Lifting, Description
and Operation).
4m ACAUTION:~~~~ bending of the exhaust
flexible pipe may cause damage resulting in
failure.
Support the exhaust flexible pipe with a
support wrap or
suitable splint.
5. Detach the exhaust flexible pipe from the
catalytic converter.
Discard the gasket and the nuts.
1. Disconnect the battery ground cable. - -
For additional information, refer to: Battery 6.
Detach the exhaust system insulators from
Disconnect
(414-01 Battery, Mounting and the
exhaust brackets and position it to one
Cables, General Procedures). side.
2006.0 Fiesta 12/2006 GI 83739en
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