Page 550 of 1226
Engine - 1.25L Duratec-1 6V (Sigma)ll.4L
Duratec-1 6V (Sigma)ll.GL Duratec-1 6V (Sigma)
REMOVAL
26. Remove the engine wiring harness support
29. Detach the power steering line support
bracket. bracket from the cylinder head.
f
27. Disconnect the engine coolant temperature
30. Detach the power steering line from the
(ECT) electrical connector.
power steering pump mounting bracket.
28. Disconnect the electronic ignition (El) coil
31. Disconnect the engine ground cable.
electrical connector.
32. Raise and support the vehicle.
For additional information, refer to: Lifting
(100-02 Jacking and Lifting, Description
and Operation).
2006.0 Fiesta 1212006 GII 31 63en
procarmanuals.com
Page 553 of 1226

Engine - 1.25L Duratec-1 6V (Sigma)ll.4L
303-01 A-77 Duratec-1 6V (Sigma)ll .6L
Duratec-1 6V (Sigma) 303-01 A-77
REMOVAL
46. Disconnect the cooling fan motor and 49. Using the special tool, disconnect the
cooling fan resistor electrical connectors. coolant
hose from the distribution pipe
47. Remove the cooling fan motor and shroud. 50. Detach the lower arm from the wheel -
1. Release the cooling fan motor and shroud knuckle on both sides (right-hand side
from the retaining brackets. shown).
2. Push the coolingfan motor and shroud Remove the heat shield.
upwards and then downwards to remove.
I I 51. CAUTIONS:
48. Using the special tool, disconnect the Asupport the halfshaft. The inner joint
coolant hose from the radiator.
must not be bent more than
18 degrees.
The outer joint must not be bent more than
45 degrees.
ADO not damage the halfshaft oil seal.
N0TE:PIug the transaxle to prevent oil loss or dirt
ingress.
Using the special tool, detach the left-hand
halfshaft from the transaxle and secure it
to
one side.
Allow the oil to drain into a suitable container.
2006.0 Fiesta 1212006 GI 131 63en
procarmanuals.com
Page 559 of 1226
Engine - 1.25L Duratec-1 6V (Sigma)ll.4L
303-01 A-83 Duratec-1 6V (Sigma)ll .6L Duratec-1 6V (Sigma) 303-01 A-83
REMOVAL
7. Disconnect the fuel return line quick release 10. Detach the power steering fluid reservoir
coupling. from the
bracket and position
it to one side.
For additional information, refer to: Quick
Release Coupling
(31 0-00 Fuel System -
General Information, General Procedures).
8. Disconnect the fuel supply line quick release
coupling.
For additional information, refer to: Quick
Release Coupling
(310-00 Fuel System -
General Information, General Procedures).
9. Detach the fuel line and the degas line from
the intake manifold.
Remove the cable tie.
11. Using the special tool, disconnect the
degas hose from the cylinder head.
12. Detach the coolant expansion tank from
the bracket and position
it to one side.
2006.0 Fiesta 1212006 G380458en
procarmanuals.com
Page 560 of 1226
Engine - 1.25L Duratec-1 6V (Sigma)llm4L
Duratec-I 6V (Sigma)ll .6L Duratec-1 6V (Sigma)
REMOVAL
13. Disconnect the low pressure evaporate 16. Using the special tool, disconnect the
emission
(EVAP) hose from the EVAP valve. coolant hose from the coolant distribution
housing.
14. Detach the brake booster vacuum line from
the intake manifold.
17. Disconnect the heated oxygen (HOZS)
sensor electrical connector.
15. Using the special tool, disconnect the
coolant hose from the coolant distribution
18. Disconnect the catalyst monitor sensor
housing. electrical connector.
2006.0 Fiesta 1212006 G380458en
procarmanuals.com
Page 562 of 1226
Engine - 1.25L Duratec-1 6V (Sigma)lIl4L
303-01 A-86 Duratec-1 6V (Sigma)/l .6L Duratec-1 6V (Sigma)
303-01 A-86
REMOVAL
25. Disconnect the generator electrical
connectors. 29. Detach the engine ground cable from the
transaxle.
J
26. Remove the right-hand headlamp assembly.
30. Remove the engine wiring harness support
For additional information, refer to: brackets.
Headlamp Assembly
(41 7-01 Exterior
Lighting, Removal and Installation).
27. Disconnect the engine coolant temperature
(ECT) electrical connector.
28. Disconnect the electronic ignition (El) coil
electrical connector. 31.
Disconnect the turbine shaft speed (TSS)
sensor electrical connector.
2006.0 Fiesta 1212006 G380458en
procarmanuals.com
Page 567 of 1226

Engine - 1.25L Duratec-1 6V (Sigma)ll.4L
Duratec-1 6V (Sigma)ll .6L Duratec-1 6V (Sigma)
REMOVAL
54. Disconnect the cooling fan motor and 57. Using the special tool, disconnect the
. cooling fan resistor electrical connectors. coolant
hose from the distribution pipe.
55. Remove the cooling fan motor and shroud. 58. Detach the lower arm from the wheel
1. Release the cooling fan motor and shroud knuckle on both sides.
from the retaining brackets. Remove
the heat shield.
2. Push the cooling fan motor and shroud
upwards and then downwards to remove.
Asupport the halfshaft. The inner joint 56. Using the special tool, disconnect the
must not be bent more than 18 degrees.
coolant hose from the radiator.
The outer joint must not be bent more than
'i
45 degrees.
59. CAUTIONS:
ADO not damage the halfshaft seal.
N0TE:Plug the transaxle to prevent fluid loss or
dirt ingress.
For additional information, refer to: Health and
Safety Precautions
(1 00-00 General Information,
Description and Operation).
See
- Transmission Fluids.
Using a suitable tire lever, detach the
left-hand halfshaft from the transaxle and
secure
it to one side.
2006.0 Fiesta 1212006 G380458en
procarmanuals.com
Page 573 of 1226
Engine - 1.25L Duratec-1 6V (Sigma)ll.4L
Duratec-1 6V (Sigma)ll .6L Duratec-1 6V (Sigma)
DISASSEMBLY
8. Install the engine to the mounting stand. 11. Remove the oil pressure switch.
9. Drain the engine oil. 12. Remove the generator.
Allow the oil to drain into a suitable container.
13. Remove the coolant pump pulley.
10. Using a suitable oil filter strap wrench,
remove the oil filter.
Discard the oil filter.
2006.0 Fiesta 1212006 GI 54224en
procarmanuals.com
Page 578 of 1226
Engine - 1.25L Duratec-I 6V (Sigma)ll.4L
303-OIA-I 02 Duratec-1 6V (Sigma)llm6L Duratec-1 6V (Sigma)
DISASSEMBLY
Using the special tool, remove the cylinder
head.
Discard the gasket.
39m ACAUTION:D~ not damage the coolant
pump impeller.
Remove the coolant pump.
Discard the gasket.
Discard the gasket.
41. Remove the KS.
42. Remove the the PCV cover.
40. Remove the thermostat housing.
2006.0 Fiesta iuzoos GI 54224en
procarmanuals.com