water pump FORD MUSTANG 2003 Owner's Manual

Page 1185 of 4378

13. Position the battery cable and install the two nuts.
14. Install the crankshaft pulley. For additional information, refer to
Crankshaft Pulley in this section.
15. Install the water pump pulley and the bolts.
16. Install the cooling fan. For additional information, refer to Section 303 - 03A or
Section 303 - 03B .
17. Install the accessory drive belt. For additional information, refer to Section 303 - 05 .
18. Install the valve covers. For additional information, refer to Valve Cover RH and
Valve Cover LH in this section.
19. Position the radio ignition interference capacitors and install the nuts. Klj . 8 ba
92003 Mustang Workshop Manual
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Page 1289 of 4378

47. Remove the water pump pulley.
1. Remove the water pump pulley bolts.
2. Remove the water pump pulley.
48. Remove the bolts and belt idler pulleys.
49. NOTE: The gasket can be reused if not damaged.
Remove the oil pan. zRemove the bolts.
z Remove the oil pan. Klj . 16 ba
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Page 1327 of 4378

58. Using the special tool, install the front oil seal.
59. Install the water pump pulley and bolts.
60.
NOTE: The crankshaft pulley must be installed within four minutes of applying sealant.
Apply silicone gasket and sealant to the Woodruff key slot on the crankshaft pulley.
61. Using the special tool, install the crankshaft pulley. Klj . 23 ba
362003 Mustang Workshop Manual
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Page 1382 of 4378

b
P=Primary, S=Secondary, E=Exhaust
c Time necessary for plunger to leak down 1.6 mm of travel with 222 N force and leak down fluid in
tappet.
Torque Specifications Description Nm lb-
ft lb-
in A/C compressor bolts 25 18 —
A/C peanut fittings 8 — 71
A/C muffler nut 25 18 —
Accelerator bracket bolts 10 — 89
Battery tray bolts 11 8 —
Belt idler support bracket assembly fasteners 25 18 —
Camshaft sprocket bolt 115 85 —
Coolant bypass tube studs 25 18 —
Coolant bypass tube bolts 25 18 —
Coolant hose and tube assembly bolt 25 18 —
Cooling fan motor and shroud bolts 10 — 89
Connecting rod bolt
a — — —
Engine front cover bolt a a a
Drive belt tensioner bolts 25 18 —
Cylinder head bolt
a — — —
Idler pulley bracket 25 18 —
Power steering pump bolts 25 18 —
Power steering hose fitting 65 48 —
Power steering hose bracket bolt 10 — 89
Pulley to crankshaft bolt
a — — —
EGR valve to intake manifold
a — — —
Engine coolant degas bottle bolts 10 — 89
Exhaust manifold studs 25 18 —
Generator bolts 25 18 —
Generator support bracket bolts 25 18 —
Hood prop bolt 10 — 89
Hood mounting nuts 12 9 —
Heater water inlet tube 10 — 89
Heater water outlet tube 24 18 —
Lower intake manifold-
to-cylinder head bolt a — — —
Main bearing cap bolt
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 — — — Klj . 4 ba
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Page 1383 of 4378

a
Refer to the procedure. Oil pan-to-
engine front cover bolts a — — —
Oil pump-
to-cylinder block bolt 10 — 89
Radio ignition interference capacitor bolts 25 18 —
Oil pump screen and pickup tube-
to-main bearing cap stud spacer bolt 25 18 —
Water pump pulley bolts 25 18 —
Throttle body spacer nuts 25 18 —
Vacuum accessory bracket fasteners 10 — 89
Valve cover bolt 10 — 89
Wiring harness support bracket 25 18 —
Water pump-
to-cylinder block bolt 25 18 —
EGR valve to exhaust manifold tube nuts 40 30 —
Power steering pump to engine 25 18 —
Power steering hose bracket nut 25 18 —
Power steering reservoir bracket fasteners 10 — 89
Supercharger degas bottle bolts 10 — 89
Camshaft cap cluster to cylinder head 10 — 89
Timing chain tensioner bolts—
primary 25 18 —
Timing chain tensioner bolts—
secondary 10 — 89
Ignition coil cover bolts 10 — 89
Generator mounting bracket retainers 10 — 89
Oil level indicator tube retainer 10 — 89
Primary timing chain guide-
to-engine bolts 10 — 89
Oil pump screen and pickup tube spacer to main bearing stud 25 18 —
Belt idler pulley bolt 25 18 —
Subframe brace nuts 41 30 — Klj . 5 ba
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Page 1387 of 4378

z
The inner rotor is piloted on the crankshaft post and is driven through flats on the crankshaft.
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 water 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 water thermostat
z upper radiator hose
z lower radiator hose
z heater water 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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Page 1392 of 4378

9 6268 Timing chain (2 req'd)
10 6M256 Timing chain guide
11 6L266 Timing chain tensioner
12 6L253 Timing chain tensioner arm
13 6268 Timing chain (2 req'd)
14 N804958 Bolt (2 req'd)
15 6B274 Timing chain guide
16 N606527 Bolt
17 19D269 A/C compressor
18 N806184 Bolts (3 req'd)
19 6306 Crankshaft sprocket
20 6L253 Timing chain tensioner arm
21 12A227 Ignition pulse ring
22 6C086 Engine front cover
23 N806177 Bolts (8 req'd)
24 N806300 Studs (5 req'd)
25 6700 Crankshaft front seal
26 6316 Crankshaft pulley
27 N806165 Washer
28 W701512 Stud
29 8A528 Water pump pulley
30 N806282 Bolts (4 req'd)
31 N806177 Bolts (4 req'd)
32 8501 Water pump
33 N808102 Bolt
34 19A216 Belt idler pulley
35 N804178 Nut
36 N806300 Harness support bracket
37 N806300 Stud
38 N806155 Bolt
39 6C315 Crankshaft position sensor
40 N806155 Bolt
41 6B288 Camshaft position sensor
42 N808920 Bolts (3 req'd)
43 6C254 Crankshaft extension support pulley
44 10153 Lower support bracket
45 N605909 Bolts (2 req'd)
46 8620 Accessory drive belt
47 N811268 Bolt
48 8B603 Belt idler bracket support
49 N808198 Stud
50 Klj . 8 ba
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Page 1400 of 4378

8 6K258 Stud (4 req'd)
9 6687 Oil pan baffle
10 N806180 Spacer
11 N605904 Bolt
12 6710 Oil pan gasket
13 6675 Oil pan
14 W701240 Bolt (16 req'd)
15 6622 Oil pump screen pickup and tube
16 N806155 Bolt (2 req'd)
17 N811280 Spacer (3 req'd)
18 6345 Bolt (6 req'd)
19 6C360 Main bearing cap adjusting screw (10 req'd)
20 6A338 Crankshaft main bearing (4 req'd)
21 N806201 Woodruff key
22 6621 Oil pump
23 N806183 Bolt (4 req'd)
24 6333 Crankshaft main bearing
25 8501 Water pump Klj . 16 ba
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Page 1435 of 4378

25. Remove the fasteners and the supercharger belt idler support bracket assembly.
26. Remove the wiring harness bracket.
27. Remove the water pump pulley.
28. Remove the bolts, the studs and the engine front cover. Klj . 6 ba
152003 Mustang Workshop Manual
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Page 1437 of 4378

3. Install the water pump pulley. Item Part
Number Description
1 N806177 Bolt, Hex Flange Head Pilot, M8 x 1.25 x 53
2 N806177 Bolt, Hex Flange Head Pilot, M8 x 1.25 x 53
3 N806177 Bolt, Hex Flange Head Pilot, M8 x 1.25 x 53
4 N806177 Bolt, Hex Flange Head Pilot, M8 x 1.25 x 53
5 N806177 Bolt, Hex Flange Head Pilot, M8 x 1.25 x 53
6 N806300 Stud, Hex Shldr Pilot, M8 x 1.25 x 1.25 x 91.1
7 N806300 Stud, Hex Shldr Pilot, M8 x 1.25 x 1.25 x 91.1
8 N806177 Bolt, Hex Flange Head Pilot, M8 x 1.25 x 53
9 N806177 Bolt, Hex Flange Head Pilot, M8 x 1.25 x 53
10 N806177 Bolt, Hex Flange Head Pilot, M8 x 1.25 x 53
11 N806177 Bolt, Hex Flange Head Pilot, M8 x 1.25 x 53
12 W706560 Stud, Hex Head Pilot, M8 x 1.25 x 65 —
M8 x
1.25 x 16 13 N806300 Stud, Hex Shldr Pilot, M8 x 1.25 x 1.25 x 91.1
14 N806300 Stud, Hex Shldr Pilot, M8 x 1.25 x 1.25 x 91.1
15 N806300 Stud, Hex Shldr Pilot, M8 x 1.25 x 1.25 x 91.1 Klj . 8 ba
152003 Mustang Workshop Manual
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