ABS FORD FIESTA 2007 Repair Manual

Page 486 of 1226


303-01 A-I 0
Engine - I .25L Duratec-1 6V (Sigma)ll.4L
Duratec-1 6V (Sigma)/l .6L Duratec-1 6V (Sigma)
DESCRIPTION AND OPERATION
Engine Engine emission control
Cross-mounted 16-valve DOHC engines with 59 European emissions level IV
kW (80 PS) and 74 kW (1 00 PS) respectively.
European on-board diagnosis (EOBD) for the
Valve train with mechanical bucket tappets monitoring of emissions-relevant components.
Cylinder block and cylinder head made of an
aluminium alloy
Diagnosis
Auxiliary drive via a self-tensioning belt without a
belt tensioner WDS diagnosis CD
817.
Instrument cluster (engine indicator lamp)
Engine management
Sequential multi-port fuel injection (SFI)
temperature and manifold absolute pressure (T-MAP) sensor in conjunction with a Siemens
powertrain control module (PCM).
Knock control
PCM with 84 pins and integrated passive anti-theft
system (PATS) immobiliser. Torquelpower
The Duratec 16V engines are characterised by
their high level of running refinement, low emission
levels and balanced development of power.
Description Description
Power curve for the 1.6L-Duratec 16V 3 Torque curve for the 1.6L-Duratec 16V ( ',I
Power curve for the 1.4L-Duratec 16V 4
Torque
curve for the 1.4L-Duratec 16V
2006.0 Fiesta 1212006 GI 7901 7en
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Page 496 of 1226


Engine - 1.25L Duratec-1 6V (Sigma)llm4L
303-01 A120 Duratec-1 6V (Sigma)ll .6L Duratec-1 6V (Sigma)
303-01 Am20
IN-VEHICLE REPAIR
9. Disconnect the brake booster vacuum line
from the intake manifold. 12. Detach the oil level indicator tube from the
intake manifold.
/'-
10. Disconnect the evaporate emission (EVAP) 13. Disconnect the temperature and manifold
hose from the EVAP valve. absolute pressure (T-MAP) sensor electrical
connector.
11. Disconnect the knock sensor (KS) electrical
connector.
14. Disconnect the throttle plate control motor
(DC-ISC) electrical connector.
2006.0 Fiesta 1212006 GI 83728en
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Page 501 of 1226


Engine - 1.25L Duratec-1 6V (Sigma)ll.4L
Duratec-1 6V (Sigma)ll .6L Duratec-1 6V (Sigma)
IN-VEHICLE REPAIR
2. Install the bolts.
I I. Connect the generator electrical connector.
12. Connect the throttle plate control motor
(DC-ISC) electrical connector.
13. Connect the temperature and manifold
absolute pressure (T-MAP) sensor electrical
connector.
14. Attach the oil level indicator tube to the
intake manifold.
15. Connect the knock sensor (KS) electrical
connector.
2006.0 Fiesta 1212006 GI 83728en
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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 583 of 1226


Engine - 1.25L Duratec-1 6V (Sigma)ll.4L
303-01 A-I 07 Duratec-I 6V (Sigma)/l.GL Duratec-1 6V (Sigma)
303-01 A-I 07
DISASSEMBLY AND ASSEMBLY
OF SUBASSEMBLIES
Install the intake manifold. 9. Connect the throttle plate control motor
(DC-ISC) electrical connector.
6. N0TE:lnstall new fuel supply manifold O-ring
seals.
10. Connect the temperature and manifold
Install the fuel supply manifold. absolute pressure (T-MAP)
sensor electrical
connector.
7. Install the engine wiring harness.
8. Connect the fuel injector electrical
connectors.
2006.0 Fiesta 1212006 G202085en
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Page 644 of 1226


303-01 8-22 Engine - 2.OL Duratec-HE (M14) 303-01 B-22
IN-VEHICLE REPAIR
9. Detach the wiring harness from the intake
13. Remove the fuel rail.
manifold. For additional information, refer to: Fuel
Rail (303-04 Fuel Charging and Controls
- 2.OL Duratec-HE (M14), Removal and
Installation).
14. Detach the starter motor electrical
connector from the intake manifold.
10. Detach the power steering supply line from
the intake manifold.
15. Disconnect the manifold absolute pressure
(MAP) sensor electrical connector.
,.
.. 1
11. Lower the vehicle.
12. Detach the engine wiring harness from the
valve cover.
1. Unlcip the power steering return line from the
wiring harness bracket.
2. Remove the air cleaner retaining bracket.
16. Detach the evaporative emission valve
3. Unclip the engine wiring harness bracket (EVAP) hose from the intake manifold.
from the intake manifold.
4. Unclip the engine wiring harness from the
intake manifold.
2006.0 Fiesta 12/2006 G451284en
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Page 709 of 1226


303-01 B-87 Engine - 2.OL Duratec-HE (M14) 303-01 B-87
DISASSEMBLY
21. Detach the starter motor electrical
connector from the intake manifold. Discard the
gasket.
25. Remove the oil level indicator and oil level
22. Disconnect the manifold absolute pressure indicator
tube.
(MAP) sensor electrical connector.
26. Remove the intake manifold.
23. Remove the exhaust manifold lower
retaining bolts.
24. Remove the exhaust manifold.
2006.0 Fiesta 1212006 G451309en
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Page 729 of 1226


303-01 B-107 Engine - 2.OL Duratec-HE (M14) 303-01 B-107
ASSEMBLY
Install the exhaust manifold.
i
72. Attach the starter motor electrical
connector to the intake manifold.
70, Install the exhaust manifold lower retaining
bolts.
73. Connect the intake manifold runner control
(IMRC) electrical connector.
71. Connect the manifold absolute pressure
(MAP) sensor electrical connector. 74.
Connect the throttle body
(TB) electrical
connector.
2006.0 Fiesta 1212006 G451310en
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Page 777 of 1226


303-03B-7 Engine Cooling - 2.OL Duratec-HE (M14) 303-03B-7
DESCRIPTION AND OPERATION
Oil Cooler
Item Description
I I I Oil cooler I
1 2 1 Oil filter adaptor I
1 3 1 Oil filter I
The oil cooler is an oil to water type and is a full
flow system.
The oil cooler and oil filter are fitted to an adaptor
which is mounted on the cylinder block.
The coolant supply for the oil cooler is through the
thermostat by-pass hose.
Coolant Recovery System
A pressurized coolant expansion tank system is
used which continuously separates the air from the
cooling system and replenishes the system through
the coolant expansion tank outlet hose.
A continuous vent from the engine and radiator to
I the coolant expansion tank prevents air locks from
forming in the cooling system.
No manual bleed points are provided on the
system. The coolant expansion tank serves
as the location
for:
Service fill.
Coolant expansion during warm-up.
Air separation during operation.
System pressurization by the coolant pressure
cap.
Coolant
A WARN1NG:Coolant contains monoethylene
glycol and other constituents which are
toxic if taken internally and can be
absorbed into the skin after prolonged
contact. Failure to follow this instruction
may result in personal injury.
Coolant concentration should be checked through
the neck of the expansion tank with a hydrometer.
The acceptable range of specific gravity (sg) of
correctly balanced fluids is between
1.06 and
1.07kg/l, which represents a coolant concentration
between 40% and 55%. If the concentration falls
below 40% there is insufficient low temperature
protection and the corrosion resistance will be
inadequate. In such cases the concentration must
be brought back to specification.
The coolant used is the orange-colored Motorcraft
Super Plus 2000. Motorcraft Super Plus 2000 is a
non silicated organic acid technology (OAT)
coolant, and must not be mixed with other coolant
types. For cooling system top up, only use coolant
which meets the correct specification and is
compatible with the existing coolant.
Changing Coolant
A WARN1NG:When releasing the cooling
system pressure, cover the coolant
expansion tank cap with a thick cloth to
prevent the possibility of coolant scalding.
Failure to follow this instruction may result
in personal injury.
A CAUTI0N:When draining the coolant or
changing any cooling system components,
it is imperative that no coolant comes into
contact with the camshaft drive belt or
accessory drive belt. If necessary the belt
should be removed. Contamination of the
belt may result in premature belt failure.
N0TE:Providing the coolant has not been
contaminated with other fluids or foreign matter,
the robust corrosion resistance properties of this
2006.0 Fiesta 1212006 G421219en
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Page 911 of 1226


303-1 2-7 Intake Air Distribution and Filtering 303-1 2-7
DIAGNOSIS AND TESTING
Intake Air Distribution and Filtering
Inspection and Verification 3. If an obvious cause for an observed or reported
concern is found, correct the cause (if possible)
1. Verify the customer concern. before proceeding
to the next step.
2. Visually inspect for obvious signs of mechanical 4. If the cause is not visually evident, verify the
or electrical damage. symptom and
refer to the Symptom Chart.
Visual
Ins~ection Chart
I Mechanical I Electrical I
- Air cleaner element
- Air cleaner intake
pipe
- Air cleaner outlet
pipe
- Charge air cooler
(Vehicles with
1.6L
Duratorq-TDCi (DV)
Diesel engine)
- Charge air cooler
intake hose
(Vehicles with
1.6L
Duratorq-TDCi (DV)
Diesel engine)
- Charge air cooler
outlet hose (Vehicles
with
I .6L Duratorq-
TDCi (DV) Diesel
engine)
- Mass air flow (MAF)
sensor
- Manifold absolute
pressure (MAP)
sensor (Vehicles with
1.6L Duratorq-TDCi
(DV) Diesel engine)
- Electrical
connector(s)
Symptom Chart
Symptom
Excessive intake air noise Possible Sources
Detached air cleaner
pipe(s).
Detached turbocharger pipe(s)
(Vehicles with Duratorq-TDCi
(DV) Diesel engine or
1.6L
Duratorq-TDCi (DV) Diesel
engine). Detached charge air cooler
hose(s) (Vehicles with 1.6L
Duratorq-TDCi (DV) Diesel
engine). Action
CHECK the
pipe(s) for security
and leaks to atmosphere.
INSTALL new intake air
components as necessary.
TEST the system for normal
operation.
2006.0 Fiesta 1212006 G421937en
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