engine oil FORD MUSTANG 2003 Manual Online

62. Remove the oil pan bridge and baffle assembly.
63.
CAUTION: The connecting rods and bearings are matched to the crankshaft
journals. Make sure the components are marked and installed in the correct location.
CAUTION: Each connecting rod and connecting rod cap are matched sets. They will
fit together only one way. Mark them before removing.
CAUTION: Care should be taken not to damage the connecting rod and the
connecting rod cap fractured joint face surface or engine damage may occur.
NOTE: Before removing the pistons, inspect the top of the cylinder bores. If necessary, remove
the ridge or carbon deposits from each cylinder, using a cylinder ridge reamer and following the
manufacturer's instructions.
Remove the pistons. 1. Make sure the piston being removed is at the bottom of the cylinder bore.
2. Remove the bolts.
3. Remove the connecting rod cap and the lower connecting rod bearing.
4. CAUTION: Be careful to avoid damage to the cylinder wall when removing the
piston.
Push the piston and the connecting rod out of the cylinder.
64. Repeat the removal steps for the remaining pistons.
65. CAUTION: The crankshaft main bearings and the main bearing caps are matched to
the crankshaft journals. Make sure the components are marked for position. NOTE: The crankshaft main bearing located at the rear main bearing cap is the thrust bearing. Klj . 18 ba
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70. Using the camshaft bearing service set, remove the engine dynamic balance shaft bearings.
71. If equipped, remove the engine block heater. For additional information, refer to
Section 303 -
03A .
72. NOTE: For cleaning purposes, the plugs should be removed.
If necessary, remove the following: 1. the cylinder block dowels.
2. the oil gallery plugs.
3. the water jacket plugs. Klj . 20 ba
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DISASSEMBLY AND ASSEMBLY OF SUBASSEMBLIES
Cylinder Head
Disassembly and Assembly
CAUTION: If the components are to be reinstalled, they must be installed in the same
position. Mark the components removed for location.
1. Remove the spark plugs (12405) if necessary.
2. Using the special tool, compress the valve springs (6513).
3. Remove the following: 1. The valve spring retainer key (6518).
2. The valve spring retainers (6514).
3. The valve springs (6513).
4. The valve stem seals and seats (6A517).
SECTION 303-
01A: Engine — 3.8L 2003 Mustang Workshop Manual Special Tool(s)
Compressor, Valve Spring
303-
163 (T81P-6513- A)
Material Item Specification
SAE 5W-
20 Premium Synthetic
Blend Motor Oil
XO- 5W20-QSP or equivalent WSS-
M2C153-
H Klj . 1 ba
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4. Inspect the components. For additional information, refer to
Section 303 - 00 .
5. CAUTION: Lubricate the parts with clean engine oil before installing.
To assemble, reverse the disassembly procedure. Klj . 2 ba
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DISASSEMBLY AND ASSEMBLY OF SUBASSEMBLIES
Piston
Disassembly
1. Using the special tool, press the piston pin out from the connecting rod and piston assembly.
2. Remove the connecting rod from the piston.
3. Clean and inspect the connecting rod and piston. For additional information, refer to Section 303 - 00 .
Assembly SECTION 303-
01A: Engine — 3.8L 2003 Mustang Workshop Manual Special Tool(s)
Piston Pin Tool or equivalent
303-
D034 (D81L- 6135-A)
Material Item Specification
SAE 5W-
20 Premium Synthetic
Blend Motor Oil
XO- 5W20-QSP or equivalent WSS-
M2C153-
H Klj . 1 ba
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1. Lubricate the piston pin and piston pin bore with clean engine oil.
2.
NOTE: The connecting rod can be installed in either direction.
Position the piston pin in the bore aligned with the connecting rod bore.
3. Using the special tool, press the piston pin into the piston and rod assembly. Klj . 2 ba
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CAUTION: The moving components must be lubricated with clean engine oil before
assembly.
CAUTION: The components with oil holes must be correctly aligned with the oil feed
holes.
1. If necessary, install the following: 1. the cylinder block dowels.
2. the oil gallery plugs.
3. the water jacket plugs.
2. If equipped, install the engine coolant heater. For additional information refer to Section 303 -
03A .
3. Using the camshaft bearing service set, install the engine dynamic balance shaft bearings. Adapter, Crankshaft Rear Seal
(Use only the adapter and the
center jack screw)
303-
S560 (T96T-6701- A) Spreader Bar
303-
D089 (D93P-6001- A3)
Material Item Specification
Metal Surface Cleaner
F4AZ-
19A536- RA or equivalent WSE-
M5B392-
A Silicone Gasket and Sealant
F7AZ-
19554- EA or equivalent WSE-
M4G323-
A4 SAE 5W-
20 Premium Synthetic
Blend Motor Oil
XO- 5W20-QSP or equivalent WSS-
M2C153-
H Pipe Sealant with Teflon®
XW7Z-19554-
AA WSK-
M2G350-
A2 Klj . 2 ba
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28. Remove the retaining pin.
CAUTION: The components removed should be marked for location. Make sure the used
parts are installed in the correct location.
29. NOTE: Install the new cylinder head gaskets with the small hole to the front of the engine.
Using new gaskets, install the RH and the LH cylinder heads.
30. CAUTION: Always use new bolts.
NOTE: Lubricate the bolts with clean engine oil prior to installation.
Position the new bolts. 1. Position the new long bolts.
2. Position the new short bolts. Klj . 10 ba
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31. Tighten the bolts in three stages in the sequence shown:
zStage 1: Tighten to 20 Nm (15 lb- ft).
z Stage 2: Tighten to 40 Nm (30 lb- ft).
z Stage 3: Tighten to 50 Nm (37 lb- ft).
32. CAUTION: Do not loosen all of the bolts at one time. Each bolt must be loosened
and tightened prior to working on the next bolt in the sequence.
Tighten the bolts in four stages in the sequence shown: short bolts numbered 2, 4, 6 and 8:
zStage 1: Tighten to 25 Nm (18 lb- ft).
z Stage 2: Tighten an additional 180 degrees.
Long bolts numbered 1, 3, 5 and 7:
z Stage 3: Tighten to 45 Nm (33 lb- ft).
z Stage 4: Tighten an additional 180 degrees.
33. NOTE: Lubricate the valve tappets with clean engine oil prior to installing.
Install the valve tappets. Klj . 11 ba
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z
Install the valve tappets.
z Install the tappet guide plates and retainers.
z Install the bolts.
34. NOTE: Lubricate the push rods with clean engine oil prior to installation.
Install the 12 push rods.
35. Install the 12 rocker arms. For additional information, refer to Rocker Arm in this section.
36. NOTE: Use pipe sealant with Teflon® on studs No. 4 and 6, and bolt No. 12.
Using a new gasket, install the engine front cover. Tighten the nuts and the bolts in the
sequence shown. zInstall a 135.5 mm (5.42 in) stud at location No. 5 and tighten to 7 Nm (62 lb- in).
z Install a 137 mm (5.48 in) stud at locations No. 4, 6, 7 and 10, and tighten to 7 Nm (62 lb-
in).
z Using a new gasket, install the water pump.
z Tighten bolt No. 12 to 10 Nm (89 lb- in). All other nuts and bolts are to be tightened to 28 Klj . 12 ba
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