Page 793 of 1226
303-03B-23 Engine Cooling - 2.OL Duratec-HE (M14) 303-03B-23
REMOVAL AND INSTALLATION
Item 1 Thermostat housing to coolant expansion
tank and heater core return coolant hose
' . I. Using the special tool, disconnect the
thermostat housing to coolant expansion
tank and heater core return coolant hose.
Item 2 Radiator lower to thermostat housing
coolant hose
1. Using the special tool, disconnect the
radiator lower to thermostat housing coolant
hose.
2006.0 Fiesta 1212006 G426583en
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Page 794 of 1226
303-03B-24 Engine Cooling - 2.OL Duratec-HE (M14) 303-03B-24
REMOVAL AND INSTALLATION
Coolant Outlet Connector
Removal
1. Remove the air cleaner.
For additional information, refer to: Air
Cleaner
- 2.OL Duratec-HE (M14) (303-12
Intake Air Distribution and Filtering,
Removal and Installation).
2. Disconnect the spark plug wires from the
ignition coil pack.
4. Remove the ignition coil pack.
5. Drain the cooling system.
For additional information, refer to: Cooling
System Draining, Filling and Bleeding
(303-03 Engine Cooling
- 2.OL Duratec-HE
(M14), General Procedures).
6. Disconnect the engine coolant temperature
3. Disconnect the ignition coil pack electrical
(ECT) sensor electrical connector.
connector.
2006.0 Fiesta 1212006 G421228en
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Page 795 of 1226
303-03B-25 Engine Cooling - 2.OL Duratec-HE (M14) 303-03B-25
REMOVAL AND INSTALLATION
7. Disconnect the radiator hose and the heater Discard the gasket.
hose from the coolant outlet connector. ,
Installation
8. Disconnect the coolant expansion tank hose
from the coolant outlet connector. 1. N0TE:lnstall a new coolant outlet connector
gasket.
9. Disconnect the thermostat housing coolant
hose from the coolant outlet connector. To
install, reverse the removal procedure.
10. Remove the coolant outlet connector.
2006.0 Fiesta 1212006 G421228en
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Page 796 of 1226

303-03B-26 Engine Cooling - 2.OL Duratec-HE (M14) 303-03B-26
REMOVAL AND INSTALLATION
Removal 2. Push the cooling fan motor and shroud l.
upwards and then downwards to remove.
1. Disconnect the battery ground cable. I
For additional information, refer to: Battery
Disconnect
(414-01 Battery, Mounting and
Cables, General Procedures).
2. Drain the cooling system.
For additional information, refer to: Cooling
System Draining, Filling and Bleeding
(303-03 Engine Cooling - 2.OL Duratec-HE
(M14), General Procedures).
3. Disconnect the cooling fan motor and
cooling fan resistor electrical connectors.
4. Remove
the air cleaner intake pipe resonator.
5. Remove the cooling fan motor and shroud.
1. Release the cooling fan motor and shroud
from the retaining brackets.
6. Disconnect the radiator upper hose.
1. Pull out the quick release spring clip.
2. Pull the radiator upper hose from the quick
release connector.
7. Disconnect the radiator degas hose from the
radiator.
Release the locking tangs.
8. Remove the radiator retainers.
2006.0 Fiesta 1212006 G457934en
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Page 797 of 1226
303-03B-27 Engine Cooling - 2.OL Duratec-HE (M14) 303-03B-27
REMOVAL AND INSTALLATION
I. Remove the radiator retainer locking screws.
2. Remove the radiator retainers and grommets.
9. Detach the radiator and the air conditioning
(NC) condenser from the support panel.
Om ACAUTION:S~~~~~~ the AIC condenser
by positioning it on the support panel.
Slide the
NC condenser to detach it from the
radiator
, 11. Remove the radiator. I
Installation
I. To install, reverse the removal procedure.
2006.0 Fiesta 1212006 G457934en
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Page 827 of 1226

Fuel Charging and Controls - 2.OL
303-04B-19 Duratec-HE (M14) 303-04B-19
DIAGNOSIS AND TESTING
White smoke
Possible Sources Action
Incorrect or contaminated fuel. CHECK for signs of contamina-
tion such as strange odors from
the fuel tank.
If contaminated fuel is found,
DRAIN the complete fuel
system. FLUSH the fuel system
through with clean gasoline.
REFER to: Fuel Tank Draining
(31
0-OOA, General Proced-
u res).
INSTALL a new fuel filter.
INSPECT the fuel injectors.
CLEAN the fuel injectors or
INSTALL a new set of injectors
as required only after the
checks have been carried out.
INSTALL a new fuel injection
supply manifold.
REFER to: Fuel Injection
Supply Manifold
(303-04C,
Removal and Installation).
Coolant in the combustion
chamber. CARRY OUT a cooling system
pressure test.
REFER to: Engine Cooling
(303-03C, Diagnosis and
Testing).
REMOVE the cylinder head.
INSPECT the cylinder head,
cylinder head gasket and
cylinder bores for wear or
damage. REFER to: Cylinder Head (303-
01
C, In-vehicle Repair).
2006.0 Fiesta 1212006 GI 65371 en
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Page 828 of 1226

Fuel Charging and Con
Duratec-HE
(N
trols - 2.OL
14)
DIAGNOSIS AND TESTING
Symptom
Engine misfire
Possible Sources Action
Engine ignition. REFER to: Engine Ignition
(303-078, Diagnosis and
Testing).
Incorrect or contaminated fuel. CHECK for signs of contamina-
tion such as strange odors from
the fuel tank.
If contaminated fuel is found,
DRAIN the complete fuel
system. FLUSH the fuel system
through with clean gasoline.
REFER to: Fuel Tank Draining
(31
0-OOA, General Proced-
u res).
INSTALL a new fuel filter.
INSPECT the fuel injectors.
CLEAN the fuel injectors or
INSTALL a new set of injectors
as required only after the
checks have been carried out.
INSTALL a new fuel rail.
REFER to: Fuel Injection
Supply Manifold
(303-046,
Removal and Installation).
Low fuel system pressure. Check the fuel system pres- ( sure.
REFER to: Fuel System Pres-
sure Check (31
0-OOA,
General Procedures).
EGR valve sticking open. REFER to: Engine Emission
Control (303-08 Engine
Emission Control
- 2.OL
Duratec-HE (M14), Diagnosis
and Testing).
Engine operating temperature
too high. REFER to:
Engine Cooling
(303-03C, Diagnosis and
Testing).
ECT sensor. Carry out a full engine
diagnosis using the guided
diagnostic menu in WDS.
CKP sensor.
Carry out a full engine
diagnosis using the guided diagnostic menu in WDS.
CMP sensor. Carry out a full
engine
diagnosis using the guided
diagnostic menu in WDS.
KS.
2006.0 Fiesta 1212006 GI 65371 en
Carry out a full engine
diagnosis using the guided
diagnostic menu in WDS. )I
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Page 902 of 1226
Engine Emission Control - 2.OL Duratec-HE
(MI41
REMOVAL AND INSTALLATION
Exhaust Gas Recirculation (EGR) Valve
1. Drain the cooling system.
For additional information, refer to: Cooling
Special
Tool(s) 3.
Remove the air cleaner intake tube.
System Draining, Filling and Bleeding
24003
(303-03 Engine cooling - 2.01 Duratec-HE
(M14), General Procedures).
4. Using the special tool, disconnect the
2. Remove the air cleaner outlet pipe.
radiator upper coolant hose from the coolant
outlet connector.
Removerllnstaller, Coolant
Hose Clamp
303-397
5. Remove the components in the order
indicated in the following
illustration(s) and
table(s).
2006.0 Fiesta 1212006 G421887en
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