2007 FORD FIESTA engine

Engine - 1.25L Duratec-1 6V (Sigma)ll.4L
Duratec-1 6V (Sigma)ll .6L Duratec-1 6V (Sigma)
IN-VEHICLE REPAIR
2. Install the bolts.
I I. Connect the generator electrical connector.
12. Connect the throttle plate control motor
(DC-ISC) electrical connector.
13. Connect the temperature and manifold
absolute pressure (T-MAP) sensor electrical
connector.
14. Attach the oil level indicator tube to the
intake manifold.
15. Connect the knock sensor (KS) electrical
connector.
2006.0 Fiesta 1212006 GI 83728en
procarmanuals.com

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
procarmanuals.com

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

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

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

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
procarmanuals.com

Engine - 1.25L Duratec-1 6V (Sigma)ll.4L
303-01A-31 Duratec-1 6V (Sigma)/l .6L Duratec-1 6V (Sigma) 303-01 A-31
IN-VEHICLE REPAIR
Remove the valve spring retainer and the
valve springs.
7. Using the special tool, remove the valve
seals.
N0TE:lnstall new valve seals.
N0TE:Coat the valve seal lip and the valve stem
with clean engine oil.
Using the special tool, install the valve seal.
Discard the valve seals. 3. Remove the mounting sleeve.
4. Using the special tool, install the valve
springs.
lnstall the valve spring retainer and the valve
springs.
Compress the valve spring.
Install the valve collets.
Installation
1, Install a valve stem mounting sleeve over
the valve
collet groove (valve shown
removed for clarity).
*' ACAUTION:T~~ intake valve seal are
colored green, and the exhaust valve seals
are colored brown.
5. Remove the special tools.
2006.0 Fiesta 1212006 GI 83730en
procarmanuals.com

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
procarmanuals.com