2003 FORD MUSTANG engine oil

17. Make sure the ring gaps (oil spacer [A], oil ring [B], and compression ring [C]) are properly
spaced around the circumference of the piston.
18. CAUTION: Do not scratch the cylinder walls or the crankshaft journals with the
connecting rod.
NOTE: Only one piston and connecting rod shown, others similar.
NOTE: Make sure the crankshaft is facing forward.
NOTE: Lubricate the piston rings, cylinder walls and connecting rod bearings with clean engine
oil.
Install the upper bearings in the connecting rod as shown. Klj . 9 ba
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55. Tighten the four oil pan bolts in the sequence shown in three stages.
zStage 1: Tighten to 2 Nm (18 lb- in).
z Stage 2: Tighten to 20 Nm (15 lb- ft).
z Stage 3: Tighten an additional 60 degrees.
56. Install the belt idler pulleys. 57. Lubricate the engine front cover and the front oil seal inner lip with clean engine oil. 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 N806300 Stud, Hex Shldr Pilot, M8 x 1.25 x 65 —
M8 x 1.25
x 26 12 W706560 Stud and Washer, 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 65 —
M8 x 1.25
x 26 14 N806300 Stud, Hex Shldr Pilot, M8 x 1.25 x 65 —
M8 x 1.25
x 26 15 N806300 Stud, Hex Shldr Pilot, M8 x 1.25 x 65 —
M8 x 1.25
x 26 Klj . 22 ba
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Apply an eight millimeter bead of silicone gasket and sealant at the intersection of the engine
front cover and the cylinder head.
71. NOTE: RH valve cover shown, LH similar.
Install the valve covers.
72. NOTE: Lubricate the O- ring seal with clean engine oil.
Install a new O- ring.
73. Install the tube. Klj . 27 ba
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96. Install the RH and LH special tools.
97. Using the special tool, remove the engine from the stand.
98. Using the special tool, install the crankshaft rear main seal.
zLubricate the oil seal using clean engine oil. 5 — To ignition coils (8)
6 — To engine coolant temperature sensor
7 — To throttle position sensor
8 — To idle air control valve
9 — To EGR vacuum regulator
10 — To differential pressure feedback EGR
11 — To fuel pressure regulator
12 — Fuel injection ground
13 — To generator
14 — To camshaft position sensor
15 — To body
16 — To heated oxygen sensor (2)
17 — Engine bulkhead connector
18 — To low coolant sensor
19 — To body
20 — To power distribution box
21 — To body Klj . 34 ba
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INSTALLATION
Cylinder Heads
SECTION 303-
01B: Engine — 4.6L (2V) 2003 Mustang Workshop Manual Special Tool(s)
Installer, Crankshaft Vibration
Damper
303-
102 (T74P-6316- B) Installer, Front Cover Oil Seal
303-
335 (T88T-6701- A) Holding Tool, Crankshaft
303-
448 (T93P-6303- A) Spreader Bar
303-
D089 (D93P-6001- A3) Lifting Bracket Set, Engine
303-
D074 (D91P-6001- A) Strap Wrench
303-
D055 (D85L-6000- A) or
equivalent Compressor, Valve Spring
303-
567 (T97P-6565- AH) Compressor Spacer, Valve
Spring Klj . 1 ba
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Both cylinder heads
1. CAUTION: The gasket sealing surfaces on the cylinder head and cylinder block
must be clean. For additional information, refer to Cylinder Heads in the Removal portion
of this section.
CAUTION: The use of sealing aids (aviation cement, copper spray and glue) is not
permitted. The gasket must be installed dry.
CAUTION: The new gasket has a film coating which is crucial to the gasket's ability
to seal correctly. Do not scratch the gasket.
NOTE: RH head gasket shown; LH head gasket similar.
Install the head gasket over the dowel pins. 303-
382 (T91P-6565- AH) Remover/Installer, Cylinder
Head
303-
572 (T97T-6000- A)
Material Item Specification
Motorcraft Silicone Gasket
Remover
ZC-
30 —
Motorcraft Metal Surface Prep
ZC-
31 —
Hydraulic Chain Tensioner
Retaining Clip
1L3Z-6P250-
AA —
Silicone Gasket and Sealant
F7AZ-
19554- EA or equivalent WSE-
M4G323-
A4 Super Premium SAE 5W-20
Engine Oil
XO- 5W20- QSP or equivalent WSS-
M2C153-
H Klj . 2 ba
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4. Remove the special tools from both ends of the cylinder head.
NOTE: Lubricate the hydraulic lash adjusters with clean engine oil.
5. Install the hydraulic lash adjusters in their original locations.
6. CAUTION: Timing chain procedures must be followed exactly or damage to the
valves and pistons will result.
NOTE: LH shown, RH similar. Klj . 4 ba
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25.
NOTE: If the engine front cover is not secured within four minutes, the sealant must be removed
and the sealing area cleaned with metal surface cleaner. Allow to dry until there is no sign of
wetness or four minutes, whichever is longer. Failure to follow this procedure can cause future
oil leakage.
Apply a bead of sealant along the head- to-block surface as shown.
26. Install a new engine front cover gasket on the engine front cover. Position the engine front cover. Install the fasteners finger- tight.
27. Tighten the front cover fasteners in the sequence shown. Klj . 10 ba
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