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
procarmanuals.com
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
procarmanuals.com
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
procarmanuals.com
Page 523 of 1226

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
procarmanuals.com
Page 529 of 1226
Engine - 1.25L Duratec-1 6V (Sigma)ll.4L
303-01 A-53 Duratec-1 6V (Sigma)/l .6L
Duratec-1 6V (Sigma) 303-01 A-53
IN-VEHICLE REPAIR
22. Lower the vehicle.
23. Install the air cleaner.
' For additional information, refer to: Air
Cleaner - 1.25L Duratec-1 6V (Sigma)llm4L
Duratec-1 6V (Sigma)ll .6L Duratec-1 6V
(Sigma) (303-1 2 Intake Air Distribution
and
Filtering, Removal and Installation).
24. Connect the battery ground cable.
For additional information, refer to: Battery
Disconnect
(414-01 Battery, Mounting and
Cables, General Procedures).
2006.0 Fiesta 1212006 GI 83739en
procarmanuals.com
Page 551 of 1226
Engine - 1.25L Duratec-1 6V (Sigma)ll.4L
Duratec-I 6V (Sigma)/l .6L Duratec-16V (Sigma)
REMOVAL
33. Disconnect the NC compressor clutch 36. Disconnect the crankshaft position (CKP)
electrical connector. sensor
electrical connector.
34. Disconnect the NC high-pressure cut-off 37. Disconnect the reversing lamp switch
switch electrical connector. electrical connector.
35. Disconnect the oil pressure switch
electrical connector. 38. Disconnect the ignition switch to starter
motor solenoid and battery to starter motor
solenoid cables.
39m ACAUTION:~~~~ bending of the exhaust
flexible pipe may cause damage resulting
in failure.
2006.0 Fiesta IZIZOO~ G113163en
procarmanuals.com
Page 556 of 1226
Engine - 1.25L Duratec-1 6V (Sigma)ll14L
Duratec-I 6V (Sigma)ll16L Duratec-1 6V (Sigma)
REMOVAL
N0TE:Using suitable securing straps, secure the Discard the nuts.
engine and the transaxle on a workshop table.
Using suitable wooden blocks support the
engine and transaxle assembly.
65. Raise the vehicle and remove the engine
and transaxle assembly.
66. Using the special tool, attach the engine
62. Remove the battery tray support bracket. and transaxle
assembly to the engine hoist.
63. Remove the engine rear mount.
Discard the nuts.
64. Remove the engine front mount.
67. Remove the starter motor and the transaxle
left-hand retaining bolt.
-
2006.0 Fiesta 1212006 G113163en
procarmanuals.com
Page 564 of 1226

Engine - 1.25L Duratec-1 6V (Sigma)llI4L
303-01 Am88 Duratec-1 6V (Sigma)/l .6L Duratec-1 6V (Sigma) 303101 A-88
REMOVAL
38. Disconnect the vehicle speed (VSS) sensor
40. Disconnect the oil pressure switch
electrical connector. electrical connector.
/
39. N0TE:Mark the position of the transmission
fluid cooler supply line and the
transmission fluid cooler return line.
Disconnect the transmission fluid cooler
lines from the transaxle.
For additional information, refer to: Health
and Safety Precautions
(1 00-00 General
Information, Description and Operation).
See
- Transmission Fluids.
Allow the fluid to drain into a suitable
container.
For additional information, refer to: Health and Safety Precautions
(1 00-00 General
Information, Description and Operation).
See
- Transmission Fluids.
41. Raise and support the vehicle.
For additional information, refer to: Lifting
(1 00-02 Jacking and Lifting, Description
and Operation).
42. Disconnect the crankshaft position (CKP)
sensor electrical connector.
43. Disconnect the ignition switch to starter
motor solenoid and battery to starter motor
solenoid cables.
2006.0 Fiesta la2006 G380458en
procarmanuals.com