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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 509 of 1226

Engine - 1.25L Duratec-1 6V (Sigma)ll.4L
303-01 A-33 Duratec-1 6V (Sigma)ll.GL Duratec-1 6V (Sigma) 303-01 A-33
IN-VEHICLE REPAIR
Camshafts(21 284 0)
Special Tool(s)
Materials
Name Specification
/ 15030A
21 171
1 Sealant I WSK-M2G348-A2 I
Universal Flange Holding
Wrench
205-072
Installer, Crankshaft Seal
303-395
I Engine Oil I WSS-M2C912A1 I
3m ~AUTION:K~~~ the camshaft bearing
caps in order for
installation.
Remove the camshafts.
Slacken each camshaft bearing cap retaining
bolt in the sequence shown by one turn until
the camshaft is released.
Remove the camshaft bearing caps.
Remove and discard the camshaft
seals.
I
i Installation
Removal
1. Apply sealant to the points indicated on the
I. Remove the timing belt. camshaft bearing
cap no. 1 and to the mating
surface of the
cylinder head.
For additional information, refer to: Timing
Belt (303-01 Engine - 1.25L Duratec-1 6V
(Sigma)ll.4L Duratec-1 6V (Sigma)ll.GL
Duratec-1 6V (Sigma), In-vehicle Repair).
2m ~~~~~10N:lnstall a hose (order no.
E890438S) to the special tool studs, to
prevent damage to the camshaft
pulleys.
Remove the camshaft pulleys.
Discard the retaining bolts.
2. Coat the camshafts and the camshaft bearing
caps with
clean engine oil.
3m A~A~T10N:~osition the camshafts in place
so that none of the cams are at full lift.
N0TE:The camshaft bearing cap numbering starts
at the timing
belt end with El on the exhaust side
and with
I1 on the intake side.
N0TE:The exhaust camshaft has an additional
cam for the camshaft position (CMP) sensor.
2006.0 Fiesta 1212006 GI 83731 en
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Page 511 of 1226

Engine - 1.25L Duratec-1 6V (Sigma)llI4L
303-01 A-35 Duratec-1 6V (Sigma)lll6L Duratec-1 6V (Sigma) 303-01 Am35
IN-VEHICLE REPAIR
Camshaft Seal(21 288 0)
Special Tool(s) Discard the retaining bolts.
Materials
Name Specification
I Engine Oil I WSS~~C~I 2~1
3. Using the special tool, remove the camshaft
seal.
Discard the oil seal.
- -
15030A
Removal
Installation
I. Remove the timing belt. 1. N0TE:lnstall a new camshaft seal.
For additional information, refer to: Timing
Belt (303-01 Engine
- 1.25L Duratec-1 6V N0TE:Coat the camshaft journals and camshaft
(Sigma)ll.4L Duratec-1 6V (Sigma)ll .6L seal with clean engine oil.
Duratec-1 6V (Sigma), in-vehicle Repair).
Using the special tool, install the camshaft
oil seal.
*' &~~~l~~:lnstall a hose (order no.
E890438S) to the special tool studs, to
prevent damage to the camshaft pulleys.
303-395
I
21 171
Universal Flange Holding
Wrench
205-072
Remover, Crankshaft Seal
303-293
Installer, Crankshaft Seal
Remove the camshaft pulleys.
2006.0 Fiesta 1212006 GI 83732en
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Page 516 of 1226

Engine - 1.25L Duratec-1 6V (Sigma)llm4L
Duratec-1 6V (Sigma)/l .6L Duratec-1 6V (Sigma)
IN-VEHICLE REPAIR
18. Remove the timing belt tensioner. 21. Remove the timing belt tensioner.
Engines with slotted bracket timing belt Vehicles built 0412005 onwards
tensioner
22. Remove the timing belt.
19. Remove the timing belt tensioner and the
timing belt. Detension the timing belt and lock the timing
belt tensioner with the special tool.
Vehicles built 0912003 onwards
20. Remove the timing belt.
Detension the timing belt and lock the timing
belt tensioner with the special tool.
Discard the timing belt.
Discard the timing belt. Discard the timing belt.
Installation
All vehicles
1. Set the crankshaft to approximately 20
degrees before TDC.
2m &~~~l~~:lnstall a hose (order no.
E890438S) to the special tool studs, to
prevent damage to the camshaft pulleys.
N0TE:Make sure the camshaft pulleys turn on the
camshafts.
Loosen the camshaft pulley retaining bolts.
2006.0 Fiesta 1212006 GI 83738en
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Page 519 of 1226

Engine - 1.25L Duratec-1 6V (Sigma)ll.4L
303-011 Am43 Duratec-1 6V (Sigma)lII6L Duratec-I 6V (Sigma) 303-01 A-43
IN-VEHICLE REPAIR
Vehicles built 0412005 onwards 16. Remove special tool.
/ 14' AWARNING:D~ not remove the special
tool, until the timing belt is correctly
positioned. Failure to follow this instruction
may result in personal injury, or may
damage the timing belt tensioner.
Tension the timing belt.
Remove the special tool.
All vehicles
15. CAUTIONS:
( , nlnstall a hose (order no. E890438S) to
the special tool studs, to prevent damage
to the camshaft pulleys. 17.
Remove the special tool.
ADO not tighten the camshaft pulley bolts 18. N0TE:Only turn the engine in its normal
against the timing plate. direction
of rotation.
N0TE:The camshafts must remain at TDC. Turn
the engine two revolutions.
N0TE:lnstall new camshaft pulley retaining bolts. 19. Install the special tool.
Using the special tool, tighten the camshaft Carefully turn the crankshaft against the
pulleys. special tool.
20. Check the valve timing.
If necessary loosen the camshaft pulleys and
correct the camshaft alignment.
2006.0 Fiesta 1212006 GI 83738en
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Page 530 of 1226

Engine - I .25L Duratec-1 6V (Sigma)llI4L
303-01 A-54 Duratec-1 6V (Sigma)/l .6L Duratec-1 6V (Sigma)
303-01 A-54
IN-VEHICLE REPAIR
Cylinder Head(21 163 0)
1 I Socket, Cylinder Head Bolts I
Discard the gasket and the nuts. (
Removerllnstaller, Hose
Clamp
303-397 (24-003)
I 24003 1 1 5. Raise and support the vehicle.
Removal
I I 1 For additional information, refer to: Lifting
(100-02 Jacking and Lifting, Description
1. Release the fuel system pressure.
Materials
For
additional information, refer to: Fuel
System Pressure Release (31 0-00 Fuel
System - General Information, General
Procedures). and
Operation).
2. Drain the
cooling system.
For
additional information, refer to: Cooling
System Draining, Filling and Bleeding
(303-03 Engine Cooling - 1.4L
Duratorq-TDCi (DV) Diesel, General 7. Remove the exhaust manifold lower heat
Procedures). shield left-hand retaining bolts.
3. Remove the camshaft.
Name
Specification
6. Using a suitable splint or wrap support the
For
additional information, refer to:
Camshafts
(303-01 Engine - 1.25L
Duratec-1 6V (Sigma)ll.4L Duratec-1 6V
(Sigma)ll.GL Duratec-1 6V (Sigma),
In-vehicle Repair).
Engine oil I WSS-M2C912-A1
4. Detach the exhaust flexible pipe from the
catalytic converter. exhaust
flexible pipe.
8. Remove the exhaust manifold lower heat
shield right-hand retaining bolts.
2006.0 Fiesta 1212006 GI 83740en
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Page 531 of 1226
Engine - 1.25L Duratec-1 6V (Sigma)llI4L
303-01 Am55 Duratec-1 6V (Sigma)lll6L Duratec-1 6V (Sigma) 303-01 A-55
IN-VEHICLE REPAIR
Remove the lower heat shield.
9.
Remove the intake manifold retaining bolt.
10. Lower the vehicle.
12. Disconnect the brake booster vacuum line
from the intake manifold.
13. Disconnect the positive crankcase
ventilation (PCV) hose from the PCV.
11. Disconnect the vacuum hose from the fuel
pressure regulator.
14. Disconnect the generator electrical
connector.
2006.0 Fiesta 1212006 GI 83740en
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Page 532 of 1226
Engine - 1.25L Duratec-1 6V (Sigma)ll.4L
303-01 A-56 Duratec-1 6V (Sigma)ll .6L Duratec-1 6V (Sigma) 303-01 A-56
IN-VEHICLE REPAIR
15. Disconnect the evaporative emissions 18. Disconnect the fuel supply line quick
(EVAP) hose from the EVAP valve.
release coupling.
f
16. Disconnect the engine wiring harness
electrical connector.
17. Disconnect the EVAP valve electrical
connector. For
additional information, refer to: Quick
(..
Release Coupling (310-00 Fuel System -
General Information, General Procedures).
I 9. Disconnect the fuel return line quick release
coupling.
For additional information, refer to: Quick
Release Coupling
(31 0-00 Fuel System -
General Information, General Procedures).
20. Using the special tool, disconnect the
coolant hose from the coolant distribution
assembly.
2006.0 Fiesta 1212006 GI 83740en
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