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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Page 903 of 1226
Engine Emission Control - 2.OL Duratec-HE
(MI41
REMOVAL AND INSTALLATION
I
' Item Description
I 1 I EGR valve electrical connector I
I * 1
EGR valve coolant hose
See Removal Detail
6. To install, reverse the removal procedure.
2006.0 Fiesta 1212006 G421887en
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Page 904 of 1226
Engine Emission Control - 2.OL Duratec-HE
303-08B-10 (MI41 303-08B-10
REMOVAL AND INSTALLATION
Crankcase Vent Oil Separator
Removal
I. Remove the intake manifold. For additional Discard the gasket.
information, refer to Section 303-OIA
[Engine
-- 1.25L Duratec-1 6V (Sigma)ll.4L
Duratec-I 6V (Sigma)ll .6L Duratec-I 6V
(Sigma)] I 303-01 B [Engine -- 1.4L
Duratorq-TDCi (DV) Diesel] I 303-01 C [Engine
-- 1.3L Duratec-8V (Rocam)] I 303-01 D
[Engine
-- 2.OL Duratec-HE (M14)] 1 303-01 E
[Engine
-- 1.6L Duratorq-TDCi (DV) Diesel].
2. Disconnect the positive crankcase ventilation
(PCV) hose from the PCV valve.
Installation
I. N0TE:lnstall a new crankcase vent oil
separator gasket.
To
install, reverse the removal procedure.
3. Remove the PCV
valve from the crankcase
vent
oil separator.
1. Push in the locking tangs.
2. Twist the PCV valve to remove.
4. Remove the crankcase vent oil separator.
- - --
2006.0 Fiesta la2006 G37566en
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Page 906 of 1226
303-1 2-2 Intake Air Distribution and Filtering 303-1 2-2
SPECIFICATIONS
Toraue S~ecifications
1 1.4L Duratorq-TDCi (DV) diesel engine I I I I
Description
Air cleaner intake pipe retaining bolt
- vehicles with
Air cleaner retaining screws
- vehicles with 1.4L
Duratorq-TDCi (DV) diesel engine
Air cleaner outlet hose retaining clip
- vehicles with
1.6L Duratorq-TDCi (DV) diesel engine
Nm
4
Air cleaner intake pipe duct retaining bolts - vehicles
with
I .6L Duratorq-TDCi (DV) diesel engine
Charge air cooler hose retaining clamps
- 1.6L
Duratorq-TDCi (DV) diesel engine
I b-ft
-
Charge air cooler retaining bolts - 1.6L Duratorq-
TDCi (DV) diesel engine
I b-in
35
Radiator support bracket retaining bolts - 1.6L
Duratorq-TDCi (DV) diesel engine
2006.0 Fiesta 1212006 G148224en
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Page 910 of 1226
303-1 2-6 Intake Air Distribution and Filtering 303-1 2-6
DESCRIPTION AND OPERATION
I 1 I Air cleaner housing cover retaining bolts I
1 2 I Air cleaner housing outlet pipe resonator I
3 Air cleaner housing outlet pipe resonator
I I grommet -
4
5
intake pipe resonator retaining
bracket
Air
cleaner housing
Air cleaner pipe retaining clamps -
6
7
1 9 1 Air cleaner intake pipe resonator I
Air cleaner intake pipe
Air cleaner intake pipe resonator isolators
1 10 1 Air cleaner intake pipe duct I
I 11 1 Air cleaner intake pipe duct retaining bolts I
1 12 1 Air cleaner outlet pipe I
1 13 1 Air cleaner housing resonator I -
14
15
-- -
2006.0 Fiesta 1212006 G421936en
Positive crankcase ventilation (PCV) hose
PCV hose foam filter
16
17
--
Air cleaner element
Air cleaner housing cover
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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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Page 912 of 1226

303-1 2-8 Intake Air Distribution and Filtering 303-1 2-8
DIAGNOSIS AND TESTING
Svm~tom Possible Sources Action
Oil in the air intake system Blocked or damaged positive
crankcase
ventilation (PCV)
valve.
Blocked or damaged PCV
pipe(s)/hose(s).
Blocked or damaged crankcase
vent
oil separator.
Vehicles with 1.25L Duratec-
16V
(Sigma)/l.3L Duratec-8V (
(Rocam)/l.4L Duratec-I 6V
(Sigma)/l .6L Duratec-1 6V
(Sigma) engine.
REFER to: Crankcase Vent
Oil
Separator (303-08 Engine
Emission
Control - 1.3L
Duratec-8V (Rocam)/l.25L
Duratec-I 6V (Sigma)/l.4L
Duratec-I 6V (Sigma)/l .6L
Duratec-1
6V (Sigma),
Removal and Installation).
Vehicles with 2.0L Duratec-HE
(M14) engine.
REFER to: Crankcase Vent
Oil
Separator (303-08C Engine
Emission
Control - 2.OL
Duratec-HE (M14), Removal
and Installation).
Turbocharger (Vehicles with
Duratorq-TDCi (DV)
Diesel
engine or 1.6L Duratorq-TDCi
(DV)
Diesel engine).
Vehicles with 1.4L Duratorq-
TDCi (DV)
Diesel engine.
REFER to: Turbocharger (303- 04
Fuel Charging and
Controls - Turbocharger -
1.4L Duratorq-TDCi (DV)
Diesel, Removal and Installa-
tion).
Vehicles with I .6L Duratorq-
TDCi (DV)
Diesel engine.
REFER to: Turbocharger
- I .6L
Duratorq-TDCi (DV)
Diesel
(303-04 Fuel Charging and
Controls - Turbocharger -
1.6L Duratorq-TDCi (DV)
Diesel, Removal and Installa-
tion).
Water in the air cleaner Detached air cleaner intake
pipe. CHECK
the air cleaner intake
pipe for security. INSTALL new
intake air system components
as necessary. TEST the
system for
normal operation.
Blocked air cleaner drain. CLEAN
the air cleaner drain.
TEST the system for
normal
operation.
Engine lacks power
Air cleaner element blocked. INSPECT the air cleaner for ,.
new air cleaner element as
i signs of blockage. INSTALL a .
necessary. I_
2006.0 Fiesta 1212006 G421937en
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Page 916 of 1226
303-1 2-1 2 Intake Air
Distribution and Filtering 303-1 2-1 2
REMOVAL AND INSTALLATION
Air Cleaner - 1.25L Duratec-1 6V (Sigma)/l.4L Duratec-I 6V
(Sigma)/l .6L Duratec-1 6V (Sigma)(23 174 0)
Removal Installation
I. Disconnect the air cleaner outlet pipe and 1. N0TE:Locate the rear isolators onto the rear
the positive crankcase ventilation (PCV) hose
mounting pegs and push down.
from the air cleaner.
To install, reverse the removal procedure.
2. Disconnect the air intake hose from the air
cleaner.
3. Remove the air cleaner.
Remove the retaining bolts and lift the air
cleaner
up at the rear to remove.
2006.0 Fiesta 1212006 G210049en
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