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
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Page 579 of 1226

Engine - 1.25L Duratec-1 6V (Sigma)llm4L
303-01 A-I 03 Duratec-1 6V (Sigma)/l .6L Duratec-1 6V (Sigma) 303-01A-I 03
DISASSEMBLY
43. Remove the oil pan retaining bolts. 46. Remove the oil pump.
Discard the gasket.
Discard the crankshaft front seal.
44m ACAUTION:~~ order to prevent damage
to the sealing surfaces, only use the
designated special tool to remove the oil
Vehicles with manual transaxle
PanmDonotuseachiselorscrewdriverfor 47. Removetheclutchdiscandpressureplate.
removal. For additional information, refer to: Clutch
N0TE:Tighten the lock nut against the oil pan and Disc and Pressure Plate (308-01 Clutch,
use several taps to release the oil pan from the Removal and Installation).
cylinder block. 48. Using the special tool, remove the flywheel.
Using the special tools, remove the oil pan.
Discard the bolts.
45. Remove the oil pump pickup pipe. Vehicles with automatic transaxle
Discard the gasket. 49. Using the special tool, remove the flexplate.
2006.0 Fiesta 1212006 GI 54224en
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Page 581 of 1226
Engine - 1.25L Duratec-1 6V (Sigma)ll.4L
303-01 A-1 05 Duratec-1 6V (Sigma)/l .6L
Duratec-1 6V (Sigma) 303-01 A-1 05
DISASSEMBLY AND ASSEMBLY
OF SUBASSEMBLIES
Cylinder Head(21 165 6)
' Disassembly 5. Remove the fuel supply manifold.
I. Disconnect the temperature and manifold Discard the O-ring seals.
absolute pressure (T-MAP) sensor electrical
connector.
2. Disconnect the throttle plate control motor
(DC-ISC) electrical connector.
3. Disconnect the fuel injector electrical
connectors.
6. Remove the intake manifold.
Discard the gaskets.
7. Remove the engine rear lifting eye.
8. Remove the coolant distribution housing and
1 ~~~0001735 the ignition coil (El).
4. Remove the engine wiring harness.
2006.0 Fiesta 1212006 G202085en
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Page 586 of 1226
Engine - 1.25L Dura
303-01A-11 0 Duratec-16V (Sigma)ll.(
:ec-16V (Sigma)llm4L
L Duratec-16V (Sigma)
303-01 A-I 10
ASSEMBLY
Stage 2: 80 degrees. Stage 2: 80 degrees.
6. Install the clutch disc and pressure plate. 9. Remove the special tool from the flexplate.
For additional information, refer to: Clutch
Disc and Pressure Plate
(308-01 Clutch, All vehicles
Removal and Installation). 10. N0TE:lnstall a new oil pump gasket.
7. Remove the special tool from the flywheel.
Install the oil pump.
Vehicles with automatic transaxle
8. N0TE:lnstall new flexplate retaining bolts.
Using the special tool, install the flexplate.
Tighten the bolts in the sequence shown in
two stages.
Stage1:30Nm.
11. N0TE:lnstall a new pickup pipe gasket.
2006.0 Fiesta 1212006 GI 54225en
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Page 588 of 1226
303-01 A-I 12
Engine - 1.25L Duratec-1 6V (Sigma)ll.4L
Duratec-1 6V (Sigma)/lm6L Duratec-1 6V (Sigma)
ASSEMBLY
lnstall the drain plug.
lnstall the thermostat housing.
18. Install the positive crankcase ventilation 21. Install the oil pressure switch.
(PCV) cover.
Apply adhesive to the oil pressure switch
threads.
19' ~CAUTION:T~~ knock sensor (KS) cable
must not touch the cylinder head or the
PCV cover. Position the KS cable at
approximately the
10 o'clock position.
lnstall the KS.
20. N0TE:lnstall a new thermostat housing
gasket.
22' ACAUTION:D~ not damage the coolant
pump impeller.
N0TE:lnstall a new coolant pump gasket.
lnstall the coolant pump.
23, Turn the crankshaft to approximately 25
mm before top dead center (BTDC) on
cylinder number
I.
2006.0 Fiesta 1212006 GI 54225en
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Page 602 of 1226
303-01 A-I 26 Engine
- 1.25L Duratec-I 6V (Sigma)ll.4L
Duratec-1 6V (Sigma)ll .6L
Duratec-1 6V (Sigma) 303-01A-I26
INSTALLATION
23. Attach the air conditioning (NC)
compressor to the
cylinder block.
27. Connect the reversing lamp switch
electrical connector.
I
24. Connect the NC compressor clutch
28. Connect the crankshaft position (CKP)
electrical connector. sensor electrical connector.
25. Install the accessory drive belt. 29. Connect the oil pressure switch electrical
For
additional information, refer to: connector.
Accessory Drive
Belt - I .4L Duratec-16V
(Sigma)ll .6L Duratec-1 6V (Sigma),
Vehicles With: Air Conditioning (303-05
Accessory Drive,
Removal and
Installation).
26. Connect the starter motor electrical
connectors.
30.
N0TE:lnstall new exhaust flange nuts and
a new exhaust
flange gasket.
2006.0 Fiesta 1212006 Gll3164en
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Page 605 of 1226
303-01 A-I 29 Engine
- 1.25L Duratec-I
6V (Sigma)ll.4L
Duratec-I 6V (Sigma)/l .6L Duratec-1 6V (Sigma) 303-01A-129
INSTALLATION
45. Attach the power steering line to the power 48.
Connect the engine coolant temperature
i steering pump mounting bracket. (ECT) sensor electrical connector.
46, Install the engine wiring harness support 49.
Connect the generator electrical
brackets. connectors.
Connect the engine ground cable.
50. Connect the air conditioning (AIC)
47. Connect the electronic ignition (El) coil lower-pressure
cut-off switch electrical
electrical connector. connector.
51. Install the right-hand
headlamp assembly.
For additional information, refer to:
Headlamp Assembly (41 7-01 Exterior
Lighting, Removal and Installation).
2006.0 Fiesta 1212006 GI 131 64en
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Page 614 of 1226
Engine - 1.25L Duratec-1 6V (Sigma)ll.4L
Duratec-1 6V (Sigma)ll .6L Duratec-1 6V (Sigma)
303-01 A-1 38
INSTALLATION
21. Connect the power steering line to the 25. Connect the ignition switch to starter motor
steering pump.
solenoid and battery to starter motor
solenoid cables.
22. Attach the power steering line support
bracket to the engine block.
26. Connect the crankshaft position (CKP)
sensor electrical connector.
23. N0TE:lnstall new exhaust flange nuts and
a new exhaust flange gasket.
27. Connect the oil pressure switch electrical
Attach the exhaust flexible pipe to the connector.
catalytic converter.
24. Remove the exhaust flexible pipe support.
2006.0 Fiesta 1212006 G380459en
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