section 4 FORD FIESTA 2007 Workshop Manual
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Page 498 of 1226

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.
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Page 499 of 1226

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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Page 500 of 1226

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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Page 502 of 1226

Engine - 1.25L Duratec-1 6V (Sigma)ll.4L
303-01 A-26 Duratec-1 6V (Sigma)Il.GL Duratec-1 6V (Sigma) 303-01 A-26
IN-VEHICLE REPAIR
16. Connect the evaporate emission (EVAP)
hose to the EVAP valve.
17. Connect the brake booster vacuum line to
the intake manifold.
19. Connect the engine wiring harness
electrical connector.
20. Install the intake manifold lower retaining
bolt and the generator bracket retaining
bolts.
18. Connect the positive crankcase ventilation
(PCV) hose to the PCV.
21. Install the accessory drive belt. For
additional information, refer to
Section
303-05 [Accessory Drive].
22. Attach the power steering fluid reservoir to
the bracket.
23. Install the air cleaner. For additional
information, refer to Section
3031 2 [Intake
Air Distribution and Filtering].
2006.0 Fiesta 1212006 GI 83728en
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Page 503 of 1226

Engine - 1.25L Duratec-1 6V (Sigma)ll.4L
303-01 A-27 Duratec-1 6V (Sigma)ll .6L Duratec-1 6V (Sigma)
303-01 A-27
IN-VEHICLE REPAIR
24. Connect the battery ground cable. For
additional information, refer to
I Section 414-01 [Battery, Mounting and
' Cables].
-
2006.0 Fiesta 1212006 GI 83728en
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Page 504 of 1226

Engine - I .25L Duratec-1 6V (Sigma)llm4L
303-01 A-28 Duratec-1 6V (Sigma)llm6L Duratec-1 6V (Sigma) 303-01 A-28
IN-VEHICLE REPAIR
Valve Cover(21 141 0)
Materials 4. Remove the valve cover. (. ,
Name Specification
I Silicone grease IESE-MlC171-AA I
Removal
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. Disconnect the battery ground cable. For
additional information, refer to
Section
414-01 [Battery, Mounting and
Cables].
2. Remove the air cleaner. For additional
information, refer to Section
303-12 [Intake
Air Distribution and Filtering].
3. Disconnect the spark plug electrical
connectors and detach the wires from the
valve cover.
Installation
1. N0TE:Check the valve cover gasket for
damage and install a new valve cover gasket
if necessary.
N0TE:lnstall the stud bolts to positions 5 and 6.
Install the valve cover.
Tighten the bolts in the sequence shown in
three stages.
Stage 1: Tighten bolt 1 by 3 to 4 turns.
Stage 2: Tigthen bolts 1 through 13 to 3 Nm.
Stage 3: Tigthen bolts 1 through 13 to 9 Nm.
2m ACAUTION:~~~ a suitable blunt object to
avoid damage to the spark plug connector
gasket. Coat the inside of the spark plug
connector with silicone grease to depth of
5-10 mm.
- - --
2006.0 Fiesta 1212006 GI 83729en
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Page 505 of 1226

Engine - 1.25L Duratec-1 6V (Sigma)llI4L I 303-01 Am29 Duratec-1 6V (Sigma)ll .6L Duratec-1 6V (Sigma) 303-01 A-29
IN-VEHICLE REPAIR
Connect the spark plug electrical connectors
and attach the wires to the valve cover.
3. Install the air cleaner. For additional
information, refer to Section 303-1
2 [Intake
Air Distribution and Filtering].
4. Connect the battery ground cable. For
additional information, refer to
Section 414-01 [Battery, Mounting and
Cables].
2006.0 Fiesta 1212006 GI 83729en
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Page 506 of 1226

Engine - 1.25L Duratec-1 6V (Sigma)ll.4L
Duratec-1 6V (Sigma)ll.GL Duratec-1 6V (Sigma)
IN-VEHICLE REPAIR
Valve Seals(21 238 0)
Special Tool(s)
I I Compressor, Valve Spring I
I I Adapter for 303-361
Installer, Valve Stem Collets
303-362 (2
1 - 1 56)
Adapter, Air Supply (Cylinder
Head)
303-363
(2 I -1 57)
Pliers, Valve Stem Oil
303-508 (21 -21
1 )
I Engine oil I WSS-M2C912A1 I
Materials
Removal
\\.
1. Remove the camshafts.
Name
Specification
For additional information, refer to
Camshafts in this section.
2. Remove the engine rear lifting eye.
3m ~CAUTION:K~~~ the valve tappets in order
for reassembly.
Remove the valve tappets.
4. Install the special tools.
5. Apply 7 to 10 bar of compressed air into the
cylinder.
1
6. Using the special tool, remove the valve
springs.
Compress the valve spring.
Remove the valve collets.
2006.0 Fiesta 1212006 GI 83730en
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Page 508 of 1226

Engine - 1.25L Duratec-1 6V (Sigma)ll.4L
Duratec-1 6V (Sigma)/l .6L Duratec-1 6V (Sigma)
IN-VEHICLE REPAIR
6m ACAUTION:T~~ valve tappets must be
installed in their original locations.
Install the valve tappets.
7. Install the engine rear lifting eye.
8. Install the camshafts.
For additional information, refer to
Camshafts in this section.
2006.0 Fiesta 1212006 GI 83730en
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Page 540 of 1226

Engine - 1.25L Duratec-1 6V (Sigma)lla4L
303-01 A-64 Duratec-1 6V (Sigma)ll .6L Duratec-1 6V (Sigma) 303-01 A-64
IN-VEHICLE REPAIR
Oil Pan(21 154 0)
Special Tool(s)
Adapter for 205-047
303-633 (2
1 -227)
1501 1
General Equipment
Slide Hammer
205-047 (1 5-0 1 1 )
I Five M8 x 20 mm studs I
Materials
Name
S~ecification
3m CAUTION:^^ order to prevent damage to
the sealing surfaces, only use the designated
special tool to remove the oil pan. Do not
use a chisel or a screwdriver for removal.
N0TE:Tighten the lock nut against the oil pan and
use several taps to release the oil pan from the
cylinder block.
Using the special tool, remove the oil pan.
Installation
1. CAUTIONS:
n~he oil pump gasket projects over the
cylinder block sealing surface and must not
Removal be damaged.
I. Raise and support the vehicle. For additional ADO not damage the rubber sealing surface
information, refer to Section 100-02 [Jacking of
the crankshaft rear oil seal carrier.
and Lifting].
I Using Loctite 7070, clean the engine cylinder
2. Drain the engine and remove the oil pan block and
oil pan mating faces.
retaining bolts.
1. Remove the oil drain plug. 2m ~CAUTION:T~~ crankcase may be
damaged
if sealant enters the blind holes. 2. Remove the oil pan retaining bolts.
I I Install five M8 x 20 mm studs into the blind
holes where shown.
2006.0 Fiesta 1212006 GI 83741 en
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