2011 FORD KUGA Engine

Timing marks
132
45
6
78
E62440
Description
Item
Exhaust camshaft pulley timing mark
1
Engine front cover with timing marks
2
Intake camshaft pulley timing mark
3
Intake camshaft drive gear
4Description
Item
Exhaust camshaft drive gear
5
Crankshaft timing belt pulley timing mark
6
Crankshaft timing belt pulley
7
Crankshaft
8
The front engine cover must always be fitted when
checking and adjusting the valve timing or timing
belt tension, as the timing marks for both camshaft
pulleys are provided on its front end.
Correct timing belt tension is ensured by the
automatic timing belt tensioner.
No direction of movement is specified when using
a new timing belt. If, however, the old timing belt
is reused, the direction of movement must be
marked prior to removal.
Once the timing belt has been correctly tensioned,
the engine must be rotated by hand two turns
clockwise at the crankshaft in order to allow a subsequent check of the timing belt tension and
adjustment.
Cylinder block
The cylinder block consists of three parts. These
are the cylinder block, the lower crankcase and the
sump pan. The cylinder block has five cylinder
liners made of cast iron, which cannot be replaced.
The pistons are made of a homogeneous aluminum
alloy with a graphite coating on the sides. This
coating serves to reduce friction and dampen noise.
The pistons are cooled from below via oil-spray
nozzles screwed into the cylinder block.
G1092773en2008.50 Kuga8/2011
303-01-
14
Engine— 2.5L Duratec (147kW/200PS) - VI5303-01-
14
DESCRIPTION AND OPERATION
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Crankshaft
E62853
123
467
5
Description
Item
Crankshaft
1
Timing belt pulley
2
Dowel
3Description
Item
Timing belt pulley splines
4
Wide spline
5
Crankshaft outer splines
6
Crankshaft inner splines
7
Located on the drive side of the crankshaft are two
sets of splines. The inner splines drive the oil
pump. The outer splines engage in the timing belt
pulley. The timing belt pulley can only be fitted onto the outer splines in a particular position. For this
purpose, one spline on the timing belt pulley and
one on the crankshaft have been made wider. The
dowel fixes the vibration damper in place.
G1092773en2008.50 Kuga8/2011
303-01-
15
Engine— 2.5L Duratec (147kW/200PS) - VI5303-01-
15
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Engine – System Operation and Component Description
System Operation
The variable camshaft timing occurs
electro-hydraulically and individually for both
camshafts.
The camshaft adjusters work according to the vane
cell principle and have an adjustment range of 52°
crank angle on the intake side and 47° crank angle
on the exhaust side. On starting the engine and
during idling, both camshafts are mechanically
locked in their starting positions. The exhaust
camshaft is in the early position and the intake
camshaft is in the late position. The camshaftadjuster on the exhaust side has a torsion spring
which compensates the camshaft drive torque.
This ensures that the assembly can return to the
starting position under all operating conditions and
when the engine is turned off.
Internal exhaust gas recirculation can be realized
through continuous adjustment of the timings. This
results in better fuel consumption and more
favorable combustion temperatures which produce
less pollutants. This means that pollutant level IV
can be adhered to with a 3-way catalytic converter.
The variable timings also make it possible to
optimize performance with wide open throttle.
G1032416en2008.50 Kuga8/2011
303-01-
16
Engine— 2.5L Duratec (147kW/200PS) - VI5303-01-
16
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Variable camshaft timing
Timing retard
E62711
Description
Item
Camshaft pulley
1
Locking pin
2
Valve rotor
3
Rotor vane
4
Plunger
5Description
Item
Return spring
6
Camshaft adjuster solenoid
7
Duct connected to chamber (a)
A
Duct connected to chamber (b)
B
Oil feed duct
C
Oil return duct
Drive
G1032416en2008.50 Kuga8/2011
303-01- 17
Engine— 2.5L Duratec (147kW/200PS) - VI5303-01-
17
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The engine oil is drawn from the oil pan and routed
to the camshaft oil ducts via the engine oil circuit
before passing from there to the VCT oil control
solenoid and to the locking pin. This releases the
locking pin and separates the positive engagement
between the camshaft pulley and the rotor. Whenthe control unit is being retarded, the chamber (b)
fills with engine oil. The rotor turns clockwise
because of the oil pressure in the chamber (b). The
engine oil returning from the chamber (a) flows via
the oil return duct (D) to the VCT oil control
solenoid and from there back into the oil pan.
E62710
When the VCT control unit is being advanced, the
chamber (a) fills with engine oil. The rotor turns
counter-clockwise because of the oil pressure in
the chamber (a). This completes the advance
adjustment. The engine oil returning from the
chamber (b) flows via the oil return duct (D) to the
VCT oil control solenoid and from there back into
the oil pan.
G1032416en2008.50 Kuga8/2011
303-01-
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Engine— 2.5L Duratec (147kW/200PS) - VI5303-01-
18
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Valve Clearance Adjustment
Special Tool(s)303-1183
Holder, Camshaft
E62756
1.Remove the camshafts.
Refer to: Camshafts (303-01 Engine - 2.5L
Duratec (147kW/200PS) - VI5, Removal and
Installation).
2. CAUTION: Make sure that the valve tappets are installed in their original
locations.
E68493
x20
x5
3.Install only one pair of tappets and the camshaft
for the first measurement.
Special Tool(s): 303-1183
Torque: 17
Nm
E68822
303-1183
4.Measure the valve clearance and if neccessary,
adjust by installing new tappets.
Special Tool(s): 303-1183
Torque: 12
Nm
E66325
303-1183
5.Repeat the measuring procedures for all
cylinders on the intake and on the exhaust side.
G543487en2008.50 Kuga8/2011
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Engine— 2.5L Duratec (147kW/200PS) - VI5303-01-
19
GENERAL PROCEDURES
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Intake Manifold(21 183 0)
Removal
NOTE:Removal steps in this procedure may
contain installation details.
1. Refer to: Fuel System Pressure Release
(310-00 Fuel System - General Information,
General Procedures).
2. Refer to: Battery Disconnect and Connect
(414-01 Battery, Mounting and Cables,
General Procedures).
3. Refer to: Air Cleaner (303-12 Intake Air
Distribution and Filtering - 2.5L Duratec
(147kW/200PS) - VI5, 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.
E67375
7.
E68413
8.Torque: 10Nm
E67741
G1079020en2008.50 Kuga8/2011
303-01- 20
Engine— 2.5L Duratec (147kW/200PS) - VI5303-01-
20
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9.
E67742
10.
E67743
11 .
E67907
12.Torque: 10Nm
E67906
13.
E64165
14.Torque: 19Nm
Installation
1.To install, reverse the removal procedure.
2. Refer to: Door Window Motor Initialization
(501-11 Glass, Frames and Mechanisms,
General Procedures).
G1079020en2008.50 Kuga8/2011
303-01- 21
Engine— 2.5L Duratec (147kW/200PS) - VI5303-01-
21
REMOVAL AND INSTALLATION
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E67382