2007 FORD FIESTA head

Engine - 1.25L Duratec-1 6V (Sigma)lIl4L
Duratec-1 6V (Sigma)ll .6L Duratec-1 6V (Sigma)
REMOVAL
19. Disconnect the EVAP electrical connector. 22.
Disconnect the knock sensor (KS) electrical
connector.
20. Disconnect the low pressure evaporate
emission (EVAP) hose from the EVAP valve. 23.
Disconnect the generator electrical
connectors.
21. Detach the brake booster vacuum line from
the intake manifold. 24.
Remove the right-hand
headlamp assembly.
For additional information, refer to:
Headlamp Assembly (41 7-01 Exterior
Lighting, Removal and Installation).
25. Disconnect the air conditioning
(AIC)
lower-pressure cut-off switch electrical
connector.
2006.0 Fiesta 1212006 GI 131 63en
procarmanuals.com

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

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

Engine - 1.25L Duratec-1 6V (Sigma)llm4L
Duratec-1 6V (Sigma)/l.6L Duratec-I 6V (Sigma)
REMOVAL
19. Disconnect the power steering pressure 22.
Disconnect the engine wiring harness
(PSP) switch electrical connector. electrical
connector.
I
20. Detach the power steering line support 23. Disconnect
the EVAP electrical connector.
bracket from the cylinder head.
24. Disconnect the knock sensor (KS) electrical
21. Detach the power steering line from the connector.
power steering pump mounting bracket.
2006.0 Fiesta 121200'6 G380458en
procarmanuals.com

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

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
procarmanuals.com

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
procarmanuals.com

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