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303-00-20 Engine System - General Information 303-00-20
DIAGNOSIS AND TESTING
I9 Install the engine upper cover. Measure the compression pressure
2l Raise and support the vehicle. REFER to: - 1.25L Duratec-1 6V
(1 00-02 Jacking and Lifting) 6V (sigrna)/l .GL (
Jacking (Description and Operation),
Lifting (Description and Operation).
2l. Install the glow plug relay.
22 Install the radiator undershield.
23, Install the engine undershield.
Z. Lower the vehicle.
25 Reset the PCM fault memory.
I. Open the central junction box (CJB) and remove
the
fuel pump relay.
N0TE:The engine will start, run for a few seconds
and then stop.
2. Start the engine.
3. Remove the air
cleaner.
REFER to: Air Cleaner - 1.25L Duratec-1 6V
(Sigma)/l.4L Duratec-1 6V (Sigma)ll .6L ( Duratec-I 6V (Sigma) (303-1 2 Intake Air
Distribution and
Filtering, Removal and
Installation).
4. Disconnect the electronic ignition (El) coil
connector from the El coil.
- -- - - -
2006.0 Fiesta 1212006 GI 52554en
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Page 447 of 1226

303-00-25 Engine System - General Information 303-00-25
DIAGNOSIS AND TESTING
11. Install the fuel pump relay.
-. 12 Install the air cleaner.
REFER to: Air Cleaner
- 2.OL Duratec-HE (M14)
(303-12 Intake Air Distribution and Filtering,
Removal and Installation).
13 Reset the PCM fault memory.
Measure the oil ressure (Engine - 1.4L
Duratorq-TDCi PDv) Diesel)
N0TE:The oil pressure depends on various factors
(engine speed, oil temperature, oil viscosity, extent
4m Attach the oil pressure gauge with the oil of oil filter contamination).
pressure gauge connector, and position it to
N0TE:Measure the oil pressure at the specified allow reading
from above.
engine speed.
5. Lower the vehicle.
I. Raise and support the vehicle. REFER to:
(1 00-02 Jacking and Lifting)
Jacking (Description and Operation),
Lifting (Description and Operation).
6. N0TE:Measure the oil pressure at an oil
temperature of 410°C.
N0TE:OiI pressure at 2000 rpm: 2.3 to 3.7 bar.
Measure the oil pressure.
2. Disconnect the oil pressure switch electrical
7. Raise and support the vehicle. Engine
- 1.4L connector from the oil pressure switch.
Duratorq-TDCi (DV) Diesel
3. Remove the oil pressure switch.
Discard the washer.
8. Remove the oil pressure gauge and the oil
pressure gauge connector.
2006.0 Fiesta 1212006 GI 52554en
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Page 449 of 1226
303-00-27 Engine System - General Information 303-00-27
DIAGNOSIS AND TESTING
7. Install the oil pressure switch.
i 8. Connect the oil pressure switch electrical
2. Disconnect the oil pressure switch electrical
connector from the oil pressure switch.
connector to the oil pressure switch.
3. Remove the oil pressure switch.
Measure the oil
1.25L
(Sigma))
Duratec-1 6V
N0TE:The oil pressure depends on various factors
(engine speed, oil temperature, oil viscosity, extent
of oil filter contamination).
N0TE:Measure the oil pressure at the specified
engine speed.
1. Raise and support the vehicle. REFER to:
(1 00-02 Jacking and Lifting) 4. Attach the oil pressure gauge with the oil
pressure gauge connector to the oil pressure
Jacking (Description and Operation),
switch bore, and position it to allow reading from
Lifting (Description and Operation). above.
5. Lower the vehicle.
2006.0 Fiesta 1212006 GI 52554en
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Page 450 of 1226

303-00-28 Engine System - General Information 303-00-28
DIAGNOSIS AND TESTING
6. N0TE:Measure the oil pressure at an oil
temperature of 80°C.
N0TE:Oil pressure at 2000 rpm: 3.5 bar.
Measure the oil pressure.
7. Raise and support the vehicle. REFER to:
(I 00-02 Jacking and Lifting)
Jacking (Description and Operation), Lifting (Description and Operation).
8. Detach the oil pressure gauge and connector
from the oil pressure switch bore.
9. Coat the oil pressure switch with adhesive.
IQ Install the oil pressure switch. 11.
Connect the oil pressure switch electrical
connector to the oil pressure switch.
I2 Lower the vehicle.
Measure the oil pressure (Engine - 1.3L
Duratec-8V (Rocam))
N0TE:The oil pressure depends on various factors
(engine speed, oil temperature, oil viscosity, extent
of oil filter contamination).
N0TE:Measure the oil pressure at the specified
engine speed.
1. Raise and support the vehicle. REFER to:
( I (1 00-02 Jacking and Lifting)
Jacking (Description and Operation),
Lifting (Description and Operation).
2. Disconnect the oil pressure switch electrical
connector from the oil pressure switch.
2006.0 Fiesta 1uzoo6 GI 52554en
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Page 451 of 1226
303-00-29 Engine System - General Information 303-00-29
DIAGNOSIS AND TESTING
3. Remove the oil pressure switch.
( 4. Attach the oil pressure gauge with the oil
pressure gauge connector to the oil pressure
switch bore, and position it to allow reading from
above.
5. Lower the vehicle. 7.
Raise and support the vehicle. REFER to:
(1 00-02 Jacking and Lifting)
Jacking (Description and Operation),
Lifting (Description and Operation).
8. Detach the oil pressure gauge and connector
from the oil pressure switch bore.
9. Coat the oil pressure switch with sealant
adhesive.
IQ Install the oil pressure switch.
6. N0TE:Measure the oil pressure at an oil
temperature of 80°C.
N0TE:OiI pressure at idle speed (750 rpm): 0.95
bar. 11. Connect the oil pressure switch electrical
N0TE:Oil pressure at 2500 rpm: 2.7 bar. connector to
the oil pressure switch.
Measure the oil pressure.
I2 Lower the vehicle.
2006.0 Fiesta 1212006 GI 52554en
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303-00-30 Engine System - General Information 303-00-30
DIAGNOSIS AND TESTING
Measure the oil ressure (Engine
- 2.OL
Duratec-HE (MI 1 ))
I. Raise and support the vehicle. REFER to:
(I 00-02 Jacking and Lifting)
Jacking (Description and Operation),
Lifting (Description and Operation).
2. Disconnect the oil pressure switch electrical
connector from the oil pressure switch.
3. Remove the oil pressure switch.
6. N0TE:OiI pressure at 2000 rpm: 3.5 bar.
Measure the oil pressure.
7. Raise and support the vehicle. REFER to:
(1 00-02 Jacking and Lifting)
Jacking (Description and Operation), Lifting (Description and Operation).
8. Detach the oil pressure gauge and connector
from the oil pressure switch bore.
9. Coat the oil pressure switch with adhesive.
4. Attach the oil pressure gauge
(GV 2134) with ICL Install the pressure switch=
the oil pressure gauge connector to the oil
pressure switch bore, and position it to allow
reading from above.
5. Lower the vehicle.
2006.0 Fiesta 1212006 GI 52554en
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Engine - I .25L Duratec-1 6V (Sigma)llm4L
303-01A-45 Duratec-1 6V (Sigma)/l .6L Duratec-1 6V (Sigma) 303-01 A-45
IN-VEHICLE REPAIR
lnstall the engine front mount.
27. Remove the
trolley jack.
28. Attach the generator.
1. lnstall the stud and nut.
2. lnstall the bolt.
3. Tighten the bolt.
31. lnstall the timing belt upper cover retaining
bolts.
32. N0TE:Do not tighten the coolant pump
pulley retaining bolts at this stage.
lnstall the coolant pump pulley.
I 33. lnstall the accessory drive belt.
29. Connect the generator electrical connector.
For additional information, refer to:
Accessory Drive
Belt - 1.4L Duratec-1 6V
(Sigma)ll.GL Duratec-1 6V (Sigma),
Vehicles With: Air Conditioning (303-05
Accessory Drive,
Removal and
Installation).
30. Raise and support the vehicle.
For additional information, refer to: Lifting
(100-02 Jacking and Lifting, Description
and Operation).
2006.0 Fiesta 1212006 GI 83738en
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Engine - 1.25L Duratec-1 6V (Sigma)llI4L
303-0 1 A-47 Duratec-1 6V (Sigma)/l .6L Duratec-1 6V (Sigma) 303-01 A-47
IN-VEHICLE REPAIR
Exhaust Manifold(21 187 0)
i Special Tool(s1 2. Remove the air cleaner.
--
Adapter for 303-290A
303-290-01 (21 -1 40-01
)
Adapter for 303-290A
303-290-02 (21 -1 40-02)
21 14002
General Equipment
21 14003
I Exhaust wrap I
Adapter for 303-290A
303-290-03A (21
-1 40-03A)
Removal
For additional information, refer to: Air
Cleaner - 1.25L Duratec-1 6V (Sigma)llm4L
Duratec-1 6V (Sigma)ll .6L Duratec-1 6V
(Sigma) (303-12 Intake Air Distribution and
Filtering, Removal and Installation).
3. Raise and support the vehicle.
For additional information, refer to: Lifting
(100-02 Jacking and Lifting, Description
and Operation).
4m ACAUTION:~~~~ bending of the exhaust
flexible pipe may cause damage resulting in
failure.
Support the exhaust flexible pipe with a
support wrap or
suitable splint.
5. Detach the exhaust flexible pipe from the
catalytic converter.
Discard the gasket and the nuts.
1. Disconnect the battery ground cable. - -
For additional information, refer to: Battery 6.
Detach the exhaust system insulators from
Disconnect
(414-01 Battery, Mounting and the
exhaust brackets and position it to one
Cables, General Procedures). side.
2006.0 Fiesta 12/2006 GI 83739en
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