FORD MUSTANG 2003 Workshop Manual

DESCRIPTION AND OPERATION
Engine
The 3.8L engine has:
za V- block with six cylinders and splayed crankpins.
z a distributorless ignition system.
z a multiport, sequential fuel injection (SFI) system.
z overhead valves.
z hydraulic valve tappets for automatic lash adjustment.
z connecting rod parting faces that are unique with an interference fit.
z an engine dynamic balance shaft.
SECTION 303-
01A: Engine — 3.8L 2003 Mustang Workshop Manual Klj . 1 ba
12003 Mustang Workshop Manual
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DESCRIPTION AND OPERATION
Engine Component View
Cylinder Heads and Valve Train Components
SECTION 303-
01A: Engine — 3.8L 2003 Mustang Workshop Manual Item Part Number Description
1 9D477 EGR valve-to-
exhaust manifold tube 2 6C342 Crankcase ventilation hose
3 6582 Valve cover —
RH 4 12405 Spark plug
5 6049 Cylinder head —
RH 6 6582 Valve cover —
LH 7 6766 Oil fill cap
8 6758 Crankcase ventilation tube Klj . 1 ba
82003 Mustang Workshop Manual
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Engine Front Cover Components 9 6A666 Positive crankcase ventilation valve
10 6565 Push rod
11 6564 Rocker arm
12 6A528 Rocker arm seat
13 N807699 Bolt
14 6518 Valve spring retainer key
15 6514 Valve spring retainer
16 6513 Valve spring
17 6A517 Valve stem seal
18 611497 Bolt
19 6049 Cylinder head —
LH 20 9448 Exhaust manifold gasket —
LH 21 17A084 Engine lifting eye
22 6754 Oil level indicator tube
23 9430 Exhaust manifold —
LH 24 6507 Intake valve
25 6505 Exhaust valve
26 6051 Head gasket —
LH 27 6051 Head gasket —
RH 28 9448 Exhaust manifold gasket —
RH 29 9430 Exhaust manifold —
RH 30 17A084 Engine lifting eye Klj . 2 ba
82003 Mustang Workshop Manual
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Engine Components Item Part Number Description
1 6B288 Camshaft position sensor
2 8507 Water pump housing gasket
3 12A362 Camshaft synchronizer
4 6A618 Oil pump intermediate shaft
5 6020 Engine front cover gasket
6 6010 Cylinder block
7 6019 Engine front cover
8 6714 Oil bypass filter
9 6C315 Crankshaft position sensor
10 8501 Water pump
11 6312 Crankshaft pulley Klj . 3 ba
82003 Mustang Workshop Manual
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Item Part Number Description
1 9F797 Engine wire harness
2 9E926 Throttle body
3 9F670 Idle air control gasket
4 9F715 Idle air control valve
5 9E498 Emissions vacuum harness
6 9424 Intake manifold (upper)
7 9H486 Intake manifold gasket (upper)
8 12029 Ignition coil Klj . 4 ba
82003 Mustang Workshop Manual
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Cylinder Block and Lower End Components 9 18801 Radio ignition interference capacitor
10 12281 Ignition wire set —
LH 11 18696 Tube assembly
12 9424 Intake manifold (lower)
13 9439 Intake manifold gasket —
RH 14 9439 Intake manifold gasket —
LH 15 9A424 Intake manifold seal (rear)
16 6A008 Cylinder head-
to-block dowel 17 6010 Cylinder block
18 6A373 Engine rear plate (automatic transmission)
19 6375 Flywheel (automatic transmission)
20 6375 Flywheel (manual transmission)
21 6A372 Engine rear plate (manual transmission)
22 6723 Oil pan rear seal
23 6675 Oil pan
24 7120 Pilot bushing
25 9278 Oil pressure sensor
26 9B339 Oil pressure sensor fitting
27 9A424 Intake manifold seal (front)
28 18663 Heater water outlet tube
29 8255 Thermostat housing-
to-intake manifold gasket 30 8592 Water outlet connection
31 9875 Water thermostat
32 9D475 EGR valve
33 9H465 Vacuum control solenoid
34 9723 Accelerator cable bracket
35 9E936 Throttle body gasket
36 9J433 EGR transducer
37 9E498 Vacuum hose
38 12280 Ignition wire set —
RH Klj . 5 ba
82003 Mustang Workshop Manual
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Item Part Number Description
1 6255 Distributor drive gear
2 6268 Timing chain
3 6A303 Engine balance shaft drive gear
4 6A304 Engine balance shaft driven gear
5 6C341 Balance shaft thrust plate
6 6A311 Engine dynamic balance shaft
7 W705934 Woodruff key
8 6261 Camshaft bearing Klj . 6 ba
82003 Mustang Workshop Manual
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9 6A333 Balance shaft front and rear bearing
10 6010 Cylinder block
11 6K564 Tappet guide plate and retainer —
RH 12 6K564 Tappet guide plate and retainer —
LH 13 6500 Valve tappet
14 376958 Balance shaft cover plug
15 6337 Crankshaft thrust main bearing
16 6701 Crankshaft rear oil seal
17 6A338 Crankshaft main bearing (lower)
18 6A339 Crankshaft thrust main bearing
19 6325 Rear main bearing cap
20 6327 Main bearing cap
21 6687 Oil pan baffle
22 6622 Oil pump screen cover and tube
23 6625 Oil pump inlet tube gasket
24 6334 Main bearing cap
25 6329 Main bearing cap
26 6303 Crankshaft
27 388907 Woodruff key
28 6333 Crankshaft main bearing (upper)
29 6284 Timing chain vibration damper
30 6263 Camshaft rear bearing
31 6262 Camshaft center bearing
32 6250 Camshaft
33 6265 Camshaft sprocket spacer
34 6269 Camshaft thrust plate
35 6256 Camshaft sprocket
36 6303 Crankshaft sprocket
37 6150 Piston ring
38 6152 Piston ring
39 6161 Piston ring
40 6159 Piston ring
41 6135 Piston pin
42 6200 Connecting rod
43 6211 Connecting rod bearing
44 6210 Connecting rod cap
45 6200 Connecting rod assembly
46 6100 Piston and connecting rod assembly
47 6108 Piston Klj . 7 ba
82003 Mustang Workshop Manual
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Klj . 8 ba
82003 Mustang Workshop Manual
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DIAGNOSIS AND TESTING
Engine
Refer to
Section 303 - 00 for basic mechanical concerns or refer to the Powertrain Control/Emissions
Diagnosis (PC/ED) manual for driveability concerns. SECTION 303-
01A: Engine — 3.8L 2003 Mustang Workshop Manual Klj . 1 ba
12003 Mustang Workshop Manual
17. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...