2003 FORD MUSTANG heater

43. Connect the radiator upper hose, the radiator lower hose and the supercharger degas hose.
44. Connect the heater hoses.
45. Install the wiring harness to the dash panel.
46. Connect the vacuum hoses. Klj . 12 ba
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i
Measured at 42 mm from piston dome, at 90 degrees to the piston pin.
j Piston pin outer diameter is larger than piston pin bore, providing a possible interference fit.
k Specification in 90.200 mm diameter gauge.
l With installation of a new filter.
a "Fixed" refers to systems with manually- adjusted centers which are bolted in place and considered
fixed. Drive Belt Tension Belt Type Belt Tension
6 Rib (Fixed)
a 110-
120 Lbs
Torque Specifications Description Nm lb-
ft lb-
in Camshaft sprocket bolt 115 85 —
Connecting rod bolt a a a
Engine front cover bolt a a a
Drive belt tensioner bolts 25 18 —
Cylinder head bolt a a a
Pulley to crankshaft bolt a a a
EGR valve to intake manifold a a a
Exhaust manifold studs 25 18 —
Lower intake manifold-
to-cylinder head bolt a a a
Main bearing cap bolt a a a
Oil filter adapter bolt 25 18 —
Oil bypass filter to adapter 50 37 —
Oil pump screen cover and tube-
to-oil pump bolt 10 — 89
Oil pan-to-
cylinder block bolt a a a
Oil pan-to-
engine front cover bolts a a a
Oil pump-
to-cylinder block bolt 10 — 89
Oil pump screen and pickup tube-
to-main bearing cap stud spacer bolt 25 18 —
Coolant pump pulley bolts 25 18 —
Valve cover bolt 10 — 89
Coolant pump-
to-cylinder block bolt 25 18 —
EGR valve to exhaust manifold tube nuts 40 30 —
Power steering pump to engine 25 18 —
Outlet heater hose stud bolts 25 18 —
Camshaft cap cluster to cylinder head 10 — 89
Timing chain tensioner bolts—
primary 25 18 —
Timing chain tensioner bolts—
secondary 10 — 89
A/C compressor bolts 25 18 —
Ignition coil cover bolts 10 — 89
Generator mounting bracket retainers 10 — 89 Klj . 5 ba
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z
System pressure is limited by an integral, internally- vented relief valve which directs the
bypassed oil back to the inlet side of the oil pump.
z Oil pump displacement has been selected to provide adequate volume to ensure correct oil
pressure both at hot idle and maximum speed.
z The relief valve calibration protects the system from excessive pressure during high viscosity
conditions.
z The relief valve is designed to provide adequate connecting rod bearing lubrication under high-
temperature and high- speed conditions.
Cooling System
The engine cooling system includes the following:
zradiator
z coolant pump
z the electric cooling fan motor and fan blade, activated by the variable control module
z the degas bottle, which aids in maintaining the correct volume of engine coolant
z thermostat
z upper radiator hose
z lower radiator hose
z heater coolant hoses
Drive Belt System
The 4.6L (4V) DOHC engine is equipped with a serpentine drive belt. To ensure maximum life, a
replacement drive belt should be of the same type as originally installed.
zThe accessories mounted on the front of the engine are belt- driven by the crankshaft.
z The serpentine drive belt is routed over each accessory pulley, driven by the crankshaft pulley
bolted to the crankshaft. For service procedures, including tensioning, refer to Section 303 - 05 . Klj . 3 ba
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11 N620482 Dowel
12 87836 Plug
Item Part Number Description
1 N807198 Dowel pin (2 req'd)
2 N807309 Bolt
3 N807959 Bolt
4 18663 Heater water hose
5 W500110 Bolt (2 req'd)
6 12A699 Knock sensor (2 req'd)
7 N807309 Bolt (2 req'd)
8 18696 Heater water hose
9 7120 Pilot bearing
10 6K318 Crankshaft rear retainer
11 N806155 Bolt (6 req'd)
12 6310 Crankshaft oil slinger
13 6375 Flexplate
14 N806168 Bolt (6 req'd)
15 — Flywheel
16 N808139 Bolt (8 req'd)
17 7550 Clutch disc
18 7563 Clutch pressure plate
19 N808969 Bolt (6 req'd)
20 6701 Crankshaft rear oil seal
21 N806007 Dowel pin (2 req'd) Klj . 13 ba
152003 Mustang Workshop Manual
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7. Remove the ignition coils.
8. Remove the throttle body. For additional information, refer to Section 303
- 04D .
9. Disconnect the fuel tube spring lock coupling. For additional information, refer to Section 310 -
00 .
10. Disconnect the heater hose.
11. Disconnect the A/C suction tube at the accumulator.
12. Disconnect and remove the A/C suction tube. Klj . 2 ba
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10.
NOTE: Lubricate O- ring with clean PAG oil or equivalent.
Connect the A/C suction tube to the accumulator.
11. Connect the heater hose.
12. Install the throttle body. For additional information, refer to Section 303 - 04D .
13. Connect the fuel tube spring lock coupling. For additional information, refer to Section 310 - 00 .
14. Install the RH ignition coils.
15. Connect the RH ignition coil electrical connectors. Klj . 8 ba
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19. Disconnect the heater hoses.
20. Remove the wiring support bracket.
21. Disconnect the connectors.
22. Raise the cover and remove the nut and cables. Klj . 5 ba
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50. Connect the connectors.
51. Position the wiring support bracket and install the nuts.
52. Connect the heater hoses.
53. Connect the vacuum hoses. Klj . 14 ba
182003 Mustang Workshop Manual
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