Page 638 of 1226

303-01 B-I 6 Engine - 2.OL Duratec-HE (M14) 303-01 B-I 6
GENERAL PROCEDURES
Valve Clearance Adjustment
Feeler gauges 1
Materials
Special
Tool(s) 4.
Unclip the engine wiring harness from the i..
I I
Name Specification
intake manifold.
4. Remove the positive crankshaft ventilation
(PCV) hose.
/ ES21202
&
21211
1. Disconnect the battery ground cable.
General
Equipment
i
Socket, Spark Plug
303-499 (2
1 -202)
Pliers, Valve Stem Seal
303-508
(2 1 -2 1 1 )
- --
For additional information, refer to: Battery
Disconnect (41 4-01 Battery, Mounting and
Cables, General Procedures).
Silicone Sealant
2. Remove the air cleaner.
WSE-M4G323-A4
For additional information, refer to: Air 5. Disconnect the camshaft position (CMP)
Cleaner - 2.OL Duratec-HE (M14) (303-1 2
sensor electrical connector.
Intake Air Distribution and Filtering,
Removal and Installation).
3. Detach the engine wiring harness from the
valve cover.
1. Unclip the power steering return line from the
engine wiring harness bracket.
2. Remove the air cleaner retaining bracket.
3. Unclip the engine wiring harness bracket
from the intake manifold.
2006.0 Fiesta 1212006 G451279en
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Page 639 of 1226
303-01 B-17 Engine - 2.OL Duratec-HE (M14) 303-01 B-17
GENERAL PROCEDURES
6. Remove the air cleaner retaining bracket. 9. Using the special tool, remove the spark
plugs.
i
7. Remove the evaporative emission (EVAP)
valve support bracket.
10. Remove the valve cover.
8. Using the special tool, disconnect the spark 11. ~CAUTION:Only rotate the crankshaff in plug electrical connectors.
the normal direction of rotation.
Rotate the crankshaft until piston No.
1 is at
top dead center (TDC).
12. N0TE:Make a note of each cylinder number
and the valve clearances measured.
Using a suitable set of feeler gauges,
measure the valve clearances.
2006.0 Fiesta 1212006 G451279en
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Page 640 of 1226

303-01 B-I 8 Engine - 2.OL Duratec-HE (M14) 303-01 B-18
GENERAL PROCEDURES
3m &AUTION:O~I~ rotate the crankshaft in 19.
Apply a small bead of sealant to the areas
the normal direction of rotation. as
shown.
/ '
Rotate the crankshaft until each piston is at
TDC and measure the valve clearances.
14.
N0TE:Only carry out the following steps
when the valve
clearance(s) require
adjustment.
For additional information, refer to:
Specifications
(303-01 Engine - 2.OL
Duratec-HE (M14), Specifications).
Remove the camshafts.
For additional information, refer to:
Camshafts (303-01 Engine
- 2.OL
Duratec-HE (M14), In-vehicle Repair).
15.
N0TE:The number on the valve tappet is
the valve tappet thickness, however only
the decimal places are marked (for example
.650 = 3.650).
Determine the valve tappet thickness
required:
1. Remove the valve tappet and read the
thickness from the underside.
2. Valve tappet thickness required
= thickness
of currently installed valve tappet
+ the
measured valve clearance
- the required
valve clearance.
For additional information, refer to:
Specifications (303-01 Engine
- 2.OL
Duratec-HE (M14), Specifications).
3. Install the correct valve tappet.
16. N0TE:Do not install the valve cover at this
stage.
Install the camshafts.
For additional information, refer to:
Camshafts (303-01 Engine
- 2.OL
Duratec-HE (M14), ln-vehicle Repair).
17. ~CAUTION:O~I~ rotate the crankshaft in
the normal direction of rotation.
Rotate the crankshaft until each piston is at
TDC and measure the valve clearances.
18. Repeat this procedure as necessary until
all valve clearances are within the specified
tolerance. 20.
N0TE:lnstall a
new valve cover gasket if
necessary.
Install the valve cover.
Tighten the bolts in the sequence shown.
21. Using the special tool, install the spark
plugs.
2006.0 Fiesta 1212006 G451279en
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Page 641 of 1226
303-01 B-19 Engine - 2.OL Duratec-HE (M14) 303-01 B-19
22. Using the special tool, connect the spark 25. Connect the CMP sensor electrical
plug electrical connectors. connector.
1 1
GENERAL PROCEDURES
23. Install the evaporative emission (EVAP) 26. Install the positive crankshaft ventilation
valve support bracket. (PCV) hose.
24. Install the air cleaner retaining bracket. 27. Attach the engine wiring harness to the
valve cover.
1. Clip the engine wiring harness to the intake
manifold.
2. Clip the engine wiring harness bracket to the
intake manifold.
3. Install the air cleaner retaining bracket.
4. Clip the power steering return line to the
engine wiring harness bracket.
2006.0 Fiesta 1212006 G451279en
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Page 642 of 1226
303-01 B-20 Engine - 2.OL Duratec-HE (M14) 303-01 B-20
GENERAL PROCEDURES
28. Install 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).
29. Connect the battery ground cable.
For additional information, refer to: Battery
Disconnect
(414-01 Battery, Mounting and
Cables, General Procedures).
- --
2006.0 Fiesta 1212006 G451279en
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Page 643 of 1226

303-01 B-21 Engine - 2.OL Duratec-HE (M14) 303-01 B-21
IN-VEHICLE REPAIR
Intake Manifold(21 183 0)
Removal
1. Disconnect the battery.
For additional information, refer to: Battery
Disconnect (414-01 Battery, Mounting and
Cables, General Procedures).
2. Remove the air cleaner.
For additional information, refer to: Air
Cleaner
- 2.OL Duratec-HE (M14) (303-12
lntake Air Distribution and Filtering,
Removal and Installation).
3. Remove the right-hand headlamp.
6. Disconnect the generator electrical
connectors.
For additional information, refer to:
Headlamp Assembly (41 7-01 Exterior
Lighting, Removal and Installation). 7.
Remove the intake manifold lower retaining
4. Raise and support the vehicle. For additional bolt.
information, refer to: (I
00-02 Jacking and
Lifting)
Jacking (Description and Operation),
Lifting (Description and Operation).
( 5. Disconnect the crankshaft position (CKP)
sensor electrical connector.
8. Remove the oil level indicator tube lower
retaining bolt.
2006.0 Fiesta 1212006 G451284en
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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 645 of 1226
303-01 B-23 Engine - 2.OL Duratec-HE (M14) 303-01 B-23
IN-VEHICLE REPAIR
17. Disconnect the intake manifold runner 20. Disconnect the hood latch electrical
control (IMRC) electrical connector. connector.
18. Disconnect the throttle body electrical 21. Remove the hood latch lever retaining bolt.
connector.
22. Detach the hood latch from the radiator
19. Disconnect the knock sensor (KS) electrical grille
opening panel reinforcement.
connector (power steering fluid reservoir
shown removed for clarity).
Detach the KS electrical connector from the
intake manifold.
2006.0 Fiesta 1212006 G451284en
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