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
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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
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Page 568 of 1226

Engine - I .25L Duratec-1 6V (Sigma)llI4L
303-01 Am92 Duratec-1 6V (Sigma)lll6L Duratec-1 6V (Sigma) 303-01 Am92
REMOVAL
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.
Discard the snap ring.
60. CAUTIONS:
Asupport the halfshaft. The inner joint
must not be bent more than
18 degrees.
The outer joint must not be bent more than
45 degrees.
ADO not damage the halfshaft seal.
See - Transmission Fluids.
1 61. Remove the engine support insulator.
N0TE:Plug the transaxle to prevent fluid loss or
dirt ingress.
62m ACAUTION:D~ not support the engine
For additional information, refer to: Health and directly on the oil pan.
Safety Precautions (1 00-00 General Information, N0TE:Using suitable securing straps, secure the
Description and Operation).
enaine and the transaxle on a workshop table. - See - Transmission Fluids. Using suitable wooden blocks, support the
Detach the right-hand halfshaft and the
engine and transaxle assembly.
intermediate shaft from the transaxle and
secure
it to one side.
Discard the center bearing cap and locknuts.
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).
63. Remove the engine rear mount nut. ('- ;!
2006.0 Fiesta 1212006 G380458en
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Page 571 of 1226
Engine - I .25L Duratec-1 6V (Sigma)llI4L
Duratec-1 6V (Sigma)ll .6L Duratec-1 6V (Sigma)
DISASSEMBLY
Engine(21 134 8)
Special Tool(s)
I I Slide Hammer I
I I Universal Flange Holding I
I I Locking Tool, Flywheel
21167
Mounting Stand
303-435 (2 1 -1 87)
Socket, Cylinder Head Bolt
303-392 (21 -1 67)
Mounting Bracket for 303-435
303-435-06 (21 -031
B)
I I Socket, Spark Plug
Special
Tool(s)
Adapter
for 205-047
303-633 (2 1 -227)
0 0
0 ES21212
Locking Tool, Timing Belt
Tensioner
303-1 054
Mounting Plate for
303-435-06
303-435-1 4A (21 -2 12A)
General Equipment
I Securing straps I
I Engine hoist I
I Oil filter strap wrench I
All vehicles
1. Remove the engine wiring harness.
2006.0 Fiesta 1212006 GI 54224en
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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 577 of 1226
Engine - 1.25L Duratec-1 6V (Sigma)llI4L
Duratec-1 6V (Sigma)lI.GL Duratec-1 6V (Sigma) 303-01A-101
DISASSEMBLY
32. Remove the crankshaft timing belt pulley. 35. Disconnect the positive crankcase
ventilation (PCV) hose from the PCV cover.
33. Remove the timing belt rear cover.
34m ACAUTION: ~ee~ the camshaft bearing
caps and the camshafts in order for
installation.
36. Detach the oil level indicator and tube from
the intake manifold.
Detach the knock sensor (KS) electrical
connector from the oil level indicator tube.
Remove the camshafts. 37. Remove the intake manifold lower bolt.
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.
38.
CAUTIONS:
A~~ace the cylinder head on a suitable
soft surface.
A~emove the cylinder head bolts in the
sequence shown.
2006.0 Fiesta 1212006 G 1 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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