Index FORD KUGA 2011 1.G Workshop Manual

Recirculated air valve
E97052
43
2
1
Description
Item
Recirculated air valve
1
Vacuum hose to intake manifold
2
Air ingress
3
Air discharge
4
If the throttle valve is closed quickly, the moving
air column hits the throttle valve. The air column
is reversed, flows back onto the rotating impeller
of the TC and powerfully decelerates it. A
recirculated air valve is installed to prevent this
deceleration of the impeller and thus allow the TC
to respond faster. The recirculated air valve is
controlled via a vacuum line which is connected to
the intake manifold. When the throttle valve is
suddenly closed, a high vacuum occurs in the
intake manifold. This opens the recirculated air
valve and the compressed air is returned to a point
before the compressor. This causes the speed of
the turbocharger to drop less rapidly and the boost
pressure can build up more rapidly when the
accelerator pedal is pressed again.
Component Description
Wastegate control valve
1
2
3
E98852
Description
Item
from turbocharger (boost pressure)
1
from turbocharger (atmospheric pressure)
2
to boost pressure regulator (control
pressure)
3
The wastegate control valve operates as a cycle
valve. The pressure acting on the membrane in
the boost pressure regulator is controlled by
appropriate pulsing of the wastegate control valve.
The pressure acting on the membrane in the boost
pressure regulator is reduced when the wastegate
control valve opens.
The operating voltage of the wastegate control
valve is 12V.
The internal resistance of the wastegate control
valve is 28.5 ± 1.5 Ohms.
The operating states are:
• De-energised: gate open between 1 and 3 – Boost pressure high > wastegate controlvalve closed > boost pressure regulator open
> turbine receives restricted exhaust gas
flow.
• Energised: gate open between 2 and 3 – Boost pressure low > wastegate control valveopen > boost pressure regulator closed >
turbine receives full exhaust gas flow.
G1032426en2008.50 Kuga8/2011
303-04B- 7
Fuel Charging and Controls - Turbocharger
—
2.5L Duratec (147kW/200PS) - VI5
303-04B- 7
DESCRIPTION AND OPERATION
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Recirculated air valve
E98940
The recirculated air valve is a vacuum-controlled
spring/membrane valve. If vacuum is applied to
the recirculated air valve, the piston is pulled in
against the spring pressure and a bypass bore is
opened.
As the vacuum decreases, the spring pressure
prevails and the piston re-closes the bypass bore.
G1032426en2008.50 Kuga8/2011
303-04B-8
Fuel Charging and Controls - Turbocharger
—
2.5L Duratec (147kW/200PS) - VI5
303-04B- 8
DESCRIPTION AND OPERATION
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Turbocharger
Special Tool(s) / General EquipmentHand Vacuum/Pressure
Pump
416 - D001 (23 - 036A)
23036A
Fuel Pressure Gauge
310-053 (23-046)
23046
Ford diagnostic equipment
Inspection and Verification
NOTE:It is normal for a small amount of
combustion gas to pass into the crankcase. This
gas is scavenged into the air intake system through
the positive crankcase ventilation (PCV) system,
which incorporates an crankcase vent oil separator.
Some engine oil, in the form of a vapor is carried
into the air intake system with the blow-by gases
(this engine oil also contributes to valve seat
durability). This means that oil will collect inside
the air intake components and the turbocharger.
This is not an indication that the turbocharger oil
seal has failed. The turbocharger oil seal will not
fail unless the bearings fail first, which will cause
the turbocharger to become noisy or seize. Do not
install a new turbocharger due to oil inside the
turbocharger or the air intake components. If a leak
is detected in the oil supply or return tubes or connections, locate and rectify the source. Do not
install a new turbocharger due to an oil leak.
1. Verify the customer concern.
2. Visually inspect for obvious signs of mechanical
or electrical damage.
Visual Inspection Chart
Electrical
Mechanical
• Wiring harness
• Boost controlsolenoid valve
• Powertrain control module (PCM)
• Oil leak(s)
• Air cleaner element
• Air cleaner outlet
pipe
• Air cleaner intake pipe
• Turbocharger oil supply or oil return
tube
• Turbocharger intake pipe
• Turbocharger vacuum diaphragm
unit
• Turbocharger housing
• Charge air cooler
• Charge air cooler intake pipe and
hose(s)
• Charge air cooler outlet pipe and
hose(s)
3. If an obvious cause for an observed or reported concern is found, correct the cause (if possible)
before proceeding to the next step.
4. If the cause is not visually evident, verify the symptom and refer to the Symptom Chart.
NOTE: The vacuum diaphragm unit is a fixed part of the turbocharger and cannot be adjusted or renewed.
G1183442en2008.50 Kuga8/2011
303-04B- 9
Fuel Charging and Controls - Turbocharger
—
2.5L Duratec (147kW/200PS) - VI5
303-04B- 9
DIAGNOSIS AND TESTING
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Action
Possible Sources
Symptom
• INSPECT the turbocharger forsigns of damage. INSTALL a
new turbocharger as neces-
sary.
REFER to: Turbocharger (303-
04 Fuel Charging and
Controls - Turbocharger -
2.5L Duratec (147kW/200PS)
- VI5, Removal and Installa-
tion).
• Turbocharger compressor
rubbing on housing walls.
• Turbocharger turbine rubbing on housing walls.
• Turbocharger bearings and oil seal(s).
• Turbocharger oil supply tube blocked or damaged.
• Blue smoke with excessive
turbocharger noise
• Check the oil return tube forblockage or damage, INSTALL
a new oil return tube as neces-
sary.
• Turbocharger oil return tube
blocked or damaged.
• Blue smoke without excessive
turbocharger noise
• CHECK all vacuum line(s) areinstalled and no signs of air
leaks are present. REPAIR as
necessary.
• Vacuum diaphragm unit
vacuum line(s).
• Poor engine performance
• CHECK the charge air cooler,charge air cooler pipes and
charge air cooler hoses for
leaks and obstructions.
REPAIR as necessary.
• Charge air cooler system.
• CHECK the air cleaner intakepipe for obstruction. REPAIR
the necessary.
• Air cleaner intake pipe.
• The turbocharger boost pres-sure is factory set and must not
be adjusted. CHECK the paint
seal on the vacuum diaphragm
unit actuator rod has not been
broken. If the paint seal has
been broken, INSTALL a new
turbocharger.
REFER to: Turbocharger (303-
04 Fuel Charging and
Controls - Turbocharger -
2.5L Duratec (147kW/200PS)
- VI5, Removal and Installa-
tion).
• Unauthorized adjustment of the
vacuum diaphragm unit actu-
ator rod.
• CHECK the vacuum diaphragmunit actuator rod moves freely,
If the vacuum diaphragm unit
actuator rod does not move
freely. CHECK for signs of
damage or signs of foreign
material. REPAIR as neces-
sary.
• Vacuum diaphragm unit actu-
ator rod.
G1183442en2008.50 Kuga8/2011
303-04B- 10
Fuel Charging and Controls - Turbocharger
—
2.5L Duratec (147kW/200PS) - VI5
303-04B- 10
DIAGNOSIS AND TESTING
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Turbocharger(23 612 0)
General EquipmentCable Ties
Hose Clamp Remover/Installer
Materials
Specification
Name
SA-M1C9107-A / YS5J-
M1C9107-AA
Grease KS-PS
Removal
NOTE:
Removal steps in this procedure may
contain installation details.
1. Refer to: Battery Disconnect and Connect
(414-01 Battery, Mounting and Cables,
General Procedures).
2. Refer to: Cooling System Draining and Vacuum
Filling (303-03 Engine Cooling, General
Procedures).
3. Refer to: Cowl Panel Grille (501-02 Front End
Body Panels, Removal and Installation).
4.
E65070
5. CAUTION: Make sure that the inside of the pipe ends are clean and free of oil
residue.
1. Torque: 10Nm
2. Torque: 4Nm
3. Torque: 10Nm
2
1
3
E68504
6.
E67948
2
1
7.Torque: 26Nm1.
2. Torque: 26
Nm
3. Refer to: Lifting(100-02 Jacking and Lifting,
Description and Operation).
Torque: 38
Nm
E112143
3
2
1
G1079058en2008.50 Kuga8/2011
303-04B- 11
Fuel Charging and Controls - Turbocharger
—
2.5L Duratec (147kW/200PS) - VI5
303-04B- 11
REMOVAL AND INSTALLATION
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8.Torque: 24Nm
E112607
4
9. CAUTION: Make sure that the inside of
the pipe ends are clean and free of oil
residue.
10.Torque: 17Nm
E63819
12.
13.General Equipment: Cable Ties
14.Torque: 28Nm
E66825
G1079058en2008.50 Kuga8/2011

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E66726
TIE0014991
1
2
3
11. CAUTION: Make sure that the inside of
the pipe ends are clean and free of oil
residue.
Torque: 4Nm
E63820
303-04B- 12
Fuel Charging and Controls - Turbocharger
—
2.5L Duratec (147kW/200PS) - VI5
303-04B- 12
REMOVAL AND INSTALLATION

15.
E66050
16.Torque: 24Nm
E112254
17. CAUTION: Make sure that the exhaust
flexible pipe is not forcibly bent.
Material: Grease KS-PS (SA-M1C9107-A /YS5J-M1C9107-AA) grease
Torque: 50
Nm
E112253
x2
18. General Equipment: Hose Clamp
Remover/Installer
Torque: 38
Nm
E66826
G1079058en2008.50 Kuga8/2011
303-04B- 13
Fuel Charging and Controls - Turbocharger
—
2.5L Duratec (147kW/200PS) - VI5
303-04B- 13
REMOVAL AND INSTALLATION
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FORD KUGA 2011.0MY WORKSHOP REPAIR MANUAL

19.Torque: 12Nm
E66829
x2
20.Torque: 24Nm
E112772
x12
1
2
3
Installation
1.To install, reverse the removal procedure.
2. Refer to: Door Window Motor Initialization
(501-11 Glass, Frames and Mechanisms,
General Procedures).
G1079058en2008.50 Kuga8/2011
303-04B- 14
Fuel Charging and Controls - Turbocharger
—
2.5L Duratec (147kW/200PS) - VI5
303-04B- 14
REMOVAL AND INSTALLATION
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SECTION 303-05 Accessory Drive— 2.5L Duratec (147kW/200PS) - VI5
VEHICLE APPLICATION:2008.50 Kuga
PA G E
CONTENTS
DESCRIPTION AND OPERATION
303-05-2
Accessory Drive ........................................................................\
..........................................
DIAGNOSIS AND TESTING 303-05-4
Accessory Drive ........................................................................\
..........................................
303-05-4
Inspection and Verification ........................................................................\
..........................
303-05-4
Accessory Drive Belt Concerns ........................................................................\
..................
303-05-6
Symptom Chart ........................................................................\
...........................................
303-05-9
Component Tests ........................................................................\
........................................
REMOVAL AND INSTALLATION 303-05-11
(21 569 0)
Accessory Drive Belt Tensioner ......................................................................
303-05-12
(21 567 0)
Accessory Drive Belt ........................................................................\
..............
303-05-13
(21 567 0)
Air Conditioning (A/C) Compressor Belt .........................................................
303-05-14
Air Conditioning (A/C) Compressor Belt Tensioner ............................................................
303-05-1
Accessory Drive— 2.5L Duratec (147kW/200PS) - VI5303-05-
1
.
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Accessory Drive
2
1
E63663
Description
Item
Accessory drive belt
1
Air conditioning (A/C) compressor belt
2
G510168en2008.50 Kuga8/2011
303-05- 2
Accessory Drive— 2.5L Duratec (147kW/200PS) - VI5303-05-
2
DESCRIPTION AND OPERATION
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FORD KUGA 2011.0MY WORKSHOP REPAIR MANUAL