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Engine - 1.25L Duratec-1 6V (Sigma)ll.4L
303-01 A-89 Duratec-1 6V (Sigma)ll.GL Duratec-1 6V (Sigma) 303-01 A-89
REMOVAL
44m ACAUTION:~~~~ bending of the exhaust Vehicles with air conditioning
I flexible pipe may cause damage resulting 47.
Disconnect the air conditioning (NC)
, in failure. low-pressure cutoff switch electrical
Support the exhaust
flexible pipe with a connector.
suitable support
wrap or suitable splint.
48. Disconnect the NC compressor clutch
45. Detach the exhaust flexible pipe from the electrical connector.
catalytic converter.
Discard the nuts and the gasket.
46. Remove the accessory drive belt.
For additional information, refer to:
Accessory Drive
Belt - I .4L Duratec-I 6V
(Sigma)ll .6L Duratec-1 6V (Sigma),
Vehicles With: Air Conditioning (303-05
Accessory Drive, Removal and
Installation)
I Accessory Drive Belt - I .4L Duratec-I 6V
(Sigma)ll .6L Duratec-1 6V (Sigma),
Vehicles Without: Air Conditioning
(303-05 Accessory Drive,
Removal and
Installation).
49. Disconnect the NC high-pressure cutoff
switch
electrical connector.
2006.0 Fiesta 1212006 G380458en
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Page 571 of 1226
Engine - I .25L Duratec-1 6V (Sigma)llI4L
Duratec-1 6V (Sigma)ll .6L Duratec-1 6V (Sigma)
DISASSEMBLY
Engine(21 134 8)
Special Tool(s)
I I Slide Hammer I
I I Universal Flange Holding I
I I Locking Tool, Flywheel
21167
Mounting Stand
303-435 (2 1 -1 87)
Socket, Cylinder Head Bolt
303-392 (21 -1 67)
Mounting Bracket for 303-435
303-435-06 (21 -031
B)
I I Socket, Spark Plug
Special
Tool(s)
Adapter
for 205-047
303-633 (2 1 -227)
0 0
0 ES21212
Locking Tool, Timing Belt
Tensioner
303-1 054
Mounting Plate for
303-435-06
303-435-1 4A (21 -2 12A)
General Equipment
I Securing straps I
I Engine hoist I
I Oil filter strap wrench I
All vehicles
1. Remove the engine wiring harness.
2006.0 Fiesta 1212006 GI 54224en
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Page 574 of 1226
Engine - 1.25L Duratec-1 6V (Sigma)llI4L
Duratec-1 6V (Sigma)ll .6L Duratec-1 6V (Sigma)
DISASSEMBLY
14. Remove the timing belt upper cover.
15. Remove the engine front mount bracket.
16. Remove the fuel supply and return lines.
17. Disconnect the spark plug electrical
connectors and detach the wires from the
valve cover.
18. Remove the valve cover.
2006.0 Fiesta 121~006 GI 54224en
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Page 575 of 1226
Engine - 1.25L Duratec-1 6V (Sigma)ll.4L
303-01 A199 Duratec-1 6V (Sigma)/Il6L Duratec-1 6V (Sigma) 303-01 A199
DISASSEMBLY
19. Using the special tool, remove the spark 23. Remove the timing belt lower cover.
plugs.
I i
Engines with eccentric cam timing belt
20. Set the crankshaft to approximately 20 tensioner
degrees before TDC. 24. Slacken the timing belt tensioner and
21. Using the special tool, lock the crankshaft. remove
the timing belt.
22. Remove the crankshaft pulley.
Discard the bolt.
Discard the timing belt.
25. Remove the timing belt tensioner.
Engines with slotted bracket timing belt
tensioner
26. Remove the timing belt tensioner and the
timing belt.
2006.0 Fiesta 1212006 G 1 54224en
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Page 576 of 1226
Engine - I .25L Duratec-1 6V (Sigma)ll.4L
303-01A-100 Duratec-1 6V (Sigma)ll .6L Duratec-1 6V (Sigma)
303-01 A-I 00
DISASSEMBLY
Discard the timing belt.
Vehicles built 0912003 onwards
27. Remove the timing belt.
Tension the timing belt tensioner by pulling
the timing belt and lock it with the special
tool.
Discard the timing belt. r-: 'Ii
Tension the timing belt tensioner by pulling 30. Remove the timing belt tensioner. the timing belt and lock it with the special
tool.
Discard the timing belt.
28. Remove the timing belt tensioner.
Vehicles built 0412005 onwards
29. Remove the timing belt.
All vehicles
31m &~~~l~~:lnstall a hose (order no.
E890438S) to the special tool studs, to
prevent damage to the camshaft sprockets.
Remove the camshaft pulleys.
Discard the retaining bolts.
2006.0 Fiesta 1212006 GI 54224en
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Page 577 of 1226
Engine - 1.25L Duratec-1 6V (Sigma)llI4L
Duratec-1 6V (Sigma)lI.GL Duratec-1 6V (Sigma) 303-01A-101
DISASSEMBLY
32. Remove the crankshaft timing belt pulley. 35. Disconnect the positive crankcase
ventilation (PCV) hose from the PCV cover.
33. Remove the timing belt rear cover.
34m ACAUTION: ~ee~ the camshaft bearing
caps and the camshafts in order for
installation.
36. Detach the oil level indicator and tube from
the intake manifold.
Detach the knock sensor (KS) electrical
connector from the oil level indicator tube.
Remove the camshafts. 37. Remove the intake manifold lower bolt.
Slacken each camshaft bearing cap retaining
bolt in the sequence shown by one turn until
the camshaft is released.
Remove the camshaft bearing caps.
Remove and discard the camshaft seals.
38.
CAUTIONS:
A~~ace the cylinder head on a suitable
soft surface.
A~emove the cylinder head bolts in the
sequence shown.
2006.0 Fiesta 1212006 G 1 54224en
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Page 585 of 1226

Engine - 1.25L Duratec-1 6V (Sigma)llI4L
303-OIA-I 09 Duratec-1 6V (Sigma)ll .6L Duratec-1 6V (Sigma)
303-01
A-I 09
ASSEMBLY
, , yl~ockin~ Tool, Timing Belt I
General Equipment
1%
I Five M8 x 20 mm studs I
I Engine hoist I
3031054
Install the crankshaft rear seal carrier.
Tensioner
303-1 054
Materials
Name Specification
3. Install the crankshaft position (CKP) sensor
I Engine Oil - 5W-30 I WSS-~2~91 3-8 bracket.
I Silicone Sealant I WSE-M4G323-A4 I
I Adhesive - Loctite 243 I WSK-M2G349-A7 I
Gasket Eliminator
Sealant
i All vehicles
High-Temperature
Grease
1. Attach the cylinder block (short block) to the
mounting stand.
ESD-M 1 C220-A
Install the special tools. 4. Install the CKP sensor.
2. N0TE:lnstall a new crankshaft rear seal Vehicles with manual transaxle carrier. 5. N0TE:lnstall new flywheel retaining bolts. N0TE:A new crankshaft rear seal carrier is
supplied with an alignment sleeve which must be Using the special tool, install the flywheel.
,removed following installation. I
'NOTE:DO not lubricate the seal lip.
Tighten the bolts in the sequence shown in
two stages.
Stage I: 30 Nm.
- --
2006.0 Fiesta 1212006 GI 54225en
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Page 590 of 1226

Engine - 1.25L Duratec-1 6V (Sigma)lIl4L
303-01 A-I 14 Duratec-1 6V (Sigma)ll .6L Duratec-1 6V (Sigma) 303-01 A-1 14
ASSEMBLY
Apply sealant to the points indicated on the
camshaft bearing cap no.
1 and to the mating
surface of the cylinder head.
29. Coat the camshafts and the camshaft
bearing caps with clean engine oil.
30m A~~~~10~:~osition the camshafts in
place so that none of the cams are at full
lift.
N0TE:The camshaft bearing cap numbering starts
at the timing
belt end with El on the exhaust side
and with
I1 on the intake side.
N0TE:The exhaust camshaft has an additional
cam for the camshaft position (CMP) sensor.
Install the camshafts and camshaft bearing
caps.
Tighten the camshaft bearing cap retaining
bolts in the sequence shown in three stages.
Stage 1: One half turn on each bolt until all
of the camshaft bearing caps are in contact
with the
cylinder head.
Stage
2: 7 Nm.
Stage
3: 45 degrees.
31. Coat the camshaft journals and seal lips
with clean engine oil.
32. N0TE:lnstall new camshaft seals. Using the
special tool, install the camshaft
seals.
f:
33. Install the timing belt rear cover.
34. Set the crankshaft to approximately 20
degrees before TDC.
35. Turn the camshafts to top dead center
(TDC) on cylinder number
I and install the
special tool.
36. N0TE:Do not fully tighten the camshaft
timing pulley retaining bolts at this stage.
Make sure the camshaft pulleys turn on the
camshafts.
N0TE:lnstall new camshaft pulley retaining bolts.
2006.0 Fiesta 1u2oos GI 54225en
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