2003 FORD MUSTANG drain bolt

Valve Train Analysis—
Engine Running
z Start the engine and, while idling, check for correct operation of all parts. Check the following:
Valve Train Analysis— Engine Running, Valves and Cylinder Head
z Check for plugged oil drain back holes.
z Check for missing or damaged valve stem seals or guide mounted valve stem seals.
z Check for a plugged oil metering orifice in the cylinder head oil reservoir (4.6L engine only).
If insufficient oiling is suspected, check oil passages for blockage, then accelerate the engine to 1,200
rpm with the transmission in NEUTRAL and the engine at normal operating temperature. Oil should
spurt from the rocker arm oil holes such that valve tips and camshaft roller followers are well oiled.
With the valve covers (6582) off, some oil splash may overshoot camshaft roller followers.
Valve Train Analysis— Engine Running, Camshaft Lobe Lift— OHC Engines
Check the lift of each camshaft lobe in consecutive order and make a note of the readings. 1. Remove the valve covers.
2. Remove the spark plugs.
3. Install the Dial Indicator Gauge with Holding Fixture so the rounded tip of indicator is on top of the camshaft lobe and on the same plane as the valve tappet.
4. Rotate the crankshaft using a breaker bar and socket attached to the crankshaft pulley retainer bolt. Rotate the crankshaft until the base circle of the camshaft lobe is reached.
5. Zero the dial indicator. Continue to rotate the crankshaft until the (1) high- lift point of the
camshaft lobe is in the fully- raised position (highest indicator reading).
6. To check the accuracy of the original indicator reading, continue to rotate crankshaft until the (2) base circle is reached. The indicator reading should be zero. If zero reading is not obtained,
repeat Steps 1 through 6.
7. NOTE: If the lift on any lobe is below specified service limits, install a new camshaft, and new
camshaft roller followers.
Remove the Dial Indicator Gauge with Holding Fixture.
8. Install the spark plugs. Klj . 15 ba
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A/C compressor bracket-
to-cylinder head stud bolt 25 18 —
Oil level indicator tube-
to-cylinder head bolt 10 — 89
Coolant recovery reservoir bracket-to-
GOP bolts 9 — 80
Motor mount-
to-subframe nuts 115 85 —
Oil pan drain plug 26 19 —
Wire harness bracket to motor mount nut 27 20 —
Steering column pinch bolt 47 35 —
Front subframe-
to-body bolts 90 66 —
Front subframe-
to-shock tower bolts 115 85 —
Oil pan-to-
cylinder block bolts a — — —
Oil pan-to-
transmission bell housing 45 33 —
Main bearing bridge nuts 32 24
Oil pump cover-
to-engine front cover bolts 25 18 —
Oil pump cover-
to-engine front cover bolt 10 89 —
Oil pickup tube-
to-cylinder block bolts 25 18 —
Oil pickup tube-
to-oil pan baffle nut 48 35 —
Flywheel-
to-crankshaft bolts 80 59 —
Wire harness bracket-
to-motor mount stud- nut 27 20 —
Engine ground strap-
to-motor mount nut 27 20 —
Motor mount-
to-motor mount bracket bolts 70 52 —
RH motor mount-
to-motor mount bracket nut 70 52 —
Hood ground strap-
to-hood hinge bolt 12 9 —
Hood hinge nuts 12 9 —
Generator mounting bracket 25 18 —
Power steering pump bracket nuts 8 — 71
Power steering pump bolts 25 18 —
Valve tappet guide plate bolts 12 9 —
Generator positive cable nut 10 — 89
Power steering pressure tube to pump nut 40 30 —
Accelerator cable bracket-
to-intake manifold bolts 10 — 89
42-
pin connector bolt 10 — 89
Transmission oil cooler tube bracket-
to-motor mount bracket nut 27 20
Torque converter-
to-flywheel nuts 36 27 —
Engine-
to-transmission bolts 40 30 —
Engine mount bracket-
to-engine bolts 70 52 —
Engine mount bracket-
to-engine nuts 70 52 —
Water pump pulley bolts 25 18 —
Oil filter
b — — —
Upper intake manifold-
to-lower intake manifold bolts a — — —
Lower intake manifold-
to-cylinder head bolts a — — —
Rocker arm pivot-
to-cylinder head bolts a — — — Klj . 5 ba
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4. Install the transmission lower bolts.
5. Install the oil pan drain plug.
6. Raise the front subframe into position. Klj . 8 ba
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a
Refer to the procedure in this section. Power steering reservoir bolts 10 — 89
Water outlet connector bolts 25 18 —
Camshaft cap cluster to cylinder head bolts 10 — 89
Torque converter nuts 25 18 —
Timing chain tensioner bolts 25 18 —
Transmission filler tube bolt 47 35 —
A/C compressor bolts 25 18 —
Ignition coil bolts 6 — 53
Generator brace bolts 10 — 89
Primary timing chain guide-
to-engine bolts 10 — 89
Accelerator cable bracket bolts 10 — 89
Rear seal retainer bolts 10 — 89
Pressure plate bolts 2 — 47
Spark plugs 18 13 —
Crankshaft timing bolt sensor assembly 10 — 89
Camshaft timing bolt sensor assembly 10 — 89
Fuel rail studs 10 — 89
Engine coolant sensor 15 11 —
Exhaust manifold—
stud to cylinder head 10-
13 7-10 —
Throttle body adaptor bolts
a — — —
Throttle body bolts 10 — 89
Idle air control valve 10 — 89
RFI capacitor nut 10 — 89
Generator bolts 25 18 —
Oil pan drain plug 14 10 —
Water bypass tube bracket bolt 25 18 —
Subframe bolts 115 85 —
Battery lead to generator 10 — 89
EGR vacuum regulator solenoid bracket 10 — 89
Pipe plug—
water drain 20 15 —
Screen and cover assembly to main bearing cap stud spacer 25 18 —
Wiring harness retainer nut 10 — 89
Oil pressure switch
a — — —
A/C muffler stud to cylinder head 10 — 89
EGR tube to exhaust manifold connector 50 37 — Klj . 5 ba
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7. Raise and support the vehicle. For additional information, refer to
Section 100 - 02 .
8. Remove the bolts and position the power steering pump aside.
9. Disconnect the crankshaft position (CKP) sensor electrical connector.
10. Drain the engine oil.
11. Remove the two support nuts and position the battery cable aside. Klj . 2 ba
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4. Connect the CMP sensor electrical connector.
5. Raise the vehicle.
6. Install the crankshaft front oil seal. For additional information, refer to
Crankshaft Front Oil Seal in this section.
7. Tighten the four oil pan bolts in the sequence shown. 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.
8. Install the drain plug. Klj . 6 ba
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10. Raise and support the vehicle. For additional information, refer to
Section 100 - 02 .
11. Drain the engine oil. zRemove the oil pan drain plug.
12. Using the special tool, compress the front coil springs.
13. Position a safety stand.
14. Remove the four engine mount bolts. Klj . 3 ba
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5. Tighten the 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.
6. Install the oil pan drain plug.
7. Raise the front subframe into position. Klj . 6 ba
92003 Mustang Workshop Manual
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