2003 FORD MUSTANG battery

REMOVAL AND INSTALLATION
Battery Cables
Removal
WARNING: Batteries normally produce explosive gases which can cause personal injury.
Therefore, do not allow flames, sparks or lighted substances to come near the battery. When
charging or working near a battery, always shield your face and protect your eyes. Always
provide ventilation. Failure to follow these instructions may result in personal injury.
WARNING: Keep out of the reach of children. Batteries contain sulfuric acid. Avoid
contact with skin, eyes, or clothing. Also, shield your eyes when working near the battery to
protect against possible splashing of the acid solution. In case of acid contact with skin or
eyes, flush immediately with water for a minimum of 15 minutes and get prompt medical
attention. If acid is swallowed, call a physician immediately. Failure to follow these instructions
may result in personal injury.
All vehicles
1. Remove the battery. For additional information, refer to Battery in this section.
2. If equipped, unplug the engine heater intermediate connection.
3. Remove the battery ground cable harness bolt from the radiator support and release the cable harness locators.
4. Disconnect the battery cable harness electrical connectors.
5. CAUTION: The square terminal from the battery must be installed first, followed by
SECTION 414-
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the round terminal from the generator. Reversing this sequence may cause circuit failure
or arcing.
Remove the battery junction box nut and position the positive battery cable and generator B+
cable aside.
Vehicles with 3.8L and 4.6L 2V engines 6. Remove the cable harness front support bracket by removing the nut, and position the bracket aside.
Vehicles with 4.6L 4V engines 7. Remove the nut and position the left upper battery cable bracket aside.
All vehicles 8. Raise and support the vehicle. For additional information, refer to Section 100 - 02 .
9. NOTE: 4.6L 4V shown; 3.8L and 4.6L 2V similar.
If equipped, remove the block heater plug from the block heater and the harness locators from Klj . 2 ba
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the oil pan clips.
10. NOTE: 4.6L 4V shown; 3.8L and 4.6L 2V similar.
Disconnect the oil pressure sender unit electrical connector.
11. CAUTION: Failure to tighten the negative cable ground nut may cause ground
circuit failure or arcing.
NOTE: 4.6L 2V shown; 3.8L and 4.6L 4V similar.
Remove the battery ground cable nut at the engine block.
12. Remove the nut and disconnect the generator electrical connections. zPosition the cover aside. Klj . 3 ba
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17. Remove the nuts and disconnect the starter solenoid electrical connections.
18. Pull the harness forward until it clears the motor mount, then remove the entire battery cable
harness from the vehicle.
Installation 1. NOTE: When the battery is disconnected and reconnected, some abnormal drive symptoms
may occur while the vehicle relearns its adaptive strategy. The vehicle needs to be driven to
relearn the strategy.
To install, reverse the removal procedure. Klj . 5 ba
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SPECIFICATIONS
SECTION 414-
02: Generator and Regulator 2003 Mustang Workshop Manual General Specifications
Item Specification
Generator 6G, 3.8L 1R3U-
BA Generator 6G, 4.6L 2V XR3U-
AB Generator 4G, 4.6L 4V 2R3V-
AA Generator, 3.8L 65-
110 amp (max) @ 1,500- 6,000 gen rpm (3.03:1 ratio) Generator, 4.6L 2V 50-
110 amp (max) @ 1,500- 6,000 gen rpm (3.16:1 ratio) Generator, 4.6L 4V 58-
120 amp (max) @ 1,500- 6,000 gen rpm (2.87:1 ratio) Electronic regulator internal to generator —
Torque Specifications Description Nm lb-
ft lb-
in Generator lower mounting bolts, 4.6L 2V 25 18 —
Generator mounting bolt, 3.8L upper 25 18 —
Generator mounting bolt, 3.8L lower 47 35 —
Generator upper mounting bolts, 4.6L 4V 50 37 —
Generator lower mounting bolt, 4.6L 4V 25 18 —
Generator mounting support bracket bolts, 4.6L 2V 10 — 89
Battery positive cable nut (B+) at generator 8 — 71 Klj . 1 ba
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REMOVAL AND INSTALLATION
Generator —
3.8L
Removal and Installation 1. Disconnect the battery (10655). For additional information, refer to Section 414 - 01 .
2. Relieve the accessory drive belt (8620) tension and remove the belt from the generator pulley. Leave the belt in place for reinstallation. For additional information, refer to Section 303 - 05 .
3. CAUTION: This is a new style connector that has a press- to-release tab. Pulling on
the tab could result in damage to the connector or harness.
Disconnect the generator (10300). 1. Disconnect the generator electrical connectors.
2. Remove the battery positive cable nut.
4. Remove the generator. zRemove the upper and lower generator bolts.
5. To install, reverse the removal procedure.
SECTION 414-
02: Generator and Regulator 2003 Mustang Workshop Manual Klj . 1 ba
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REMOVAL AND INSTALLATION
Generator —
4.6L 2V
Removal and Installation 1. Disconnect the battery (10655). For additional information, refer to Section 414 - 01 .
2. Relieve the accessory drive belt (8620) tension and remove the belt from the generator pulley. Leave the belt in place for reinstallation. For additional information, refer to Section 303 - 05 .
3. Remove the bolts on the upper generator bracket and remove the bracket.
4. CAUTION: This is a new style connector that has a press- to-release tab. Pulling on
the tab could result in damage to the connector or harness.
Disconnect the generator electrical connections. 1. Remove the battery positive cable nut (1) and cable.
2. Disconnect the generator electrical connector.
5. Remove the lower generator bolts and remove the generator.
SECTION 414-
02: Generator and Regulator 2003 Mustang Workshop Manual Klj . 1 ba
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REMOVAL AND INSTALLATION
Generator —
4.6L 4V
Removal and Installation 1. Disconnect the battery. For additional information, refer to Section 414 - 01 .
2. Relieve the accessory drive belt tension and remove the belt from the generator pulley.
3. Raise and support the vehicle. For additional information, refer to Section 100 - 02 .
4. Disconnect the generator electrical connections. zDisconnect the electrical connector.
z Position the cover aside, and remove the nut and battery positive cable.
5. Remove the upper and lower generator bolts.
6. Remove the generator by lifting up and pulling it forward.
7. To install, reverse the removal procedure.
SECTION 414-
02: Generator and Regulator 2003 Mustang Workshop Manual Klj . 1 ba
22003 Mustang Workshop Manual
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