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Some 1999-2004 Navigator, 2002-2003 Blackwood, 2003-2005 Aviator, 2003-2004 Marauder and 2003-2004 Mustang vehicles built before 12/19/2004 equipped with 4.6L 4V/5.4 4V engine may exhibit a runs rough, lacks power, and engine misfire, prompted by a MIL light and DTC codes P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308, and P0316. ACTION Diagnose engine for engine misfire concern. If diagnostics determine an engine misfire which is characterized by leakage through exhaust valve(s), only replace the affected cylinder head(s). SERVICE PROCEDURE

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CHRYSLER ALTERNATOR See Figures 1, 2, 3, 4 and 5 Fig. 1: Alternator mounting-2.2L and 2.5L engines Fig. 2: Disconnecting alternator wiring-2.2L and 2.5L engines Fig. 3: Disconnecting alternator wiring Fig. 4: Removing the pivot bolt and nut Fig. 5: Removing the alternator from the vehicle Disconnect the negative battery cable. Label and disconnect the wiring (for easy installation). Remove the air conditioning compressor drive belt, if equipped. Loosen the alternator adjusting bracket bolt and adjusting bolt. Remove the alternator belt. 5. Remove the bracket and mounting bolts. 6. Remove the pivot bolt and nut. 7. Lift the alternator from the vehicle. When lifting the alternator out of the vehicle on some years with A/C, clearance may be restricted by the condenser cooling fan assembly or the A/C compressor and mounting bracket assembly, if so, removal of one of these items will be necessary. 8. Position the alternator against the engine. 9. Install the pivot bolt and nut. 10. Install the mounting bracket bolts, and adjusting bolt. 11. Install drive belts and adjust to specification. 12. Tighten all the mounting bolts and nuts. 13. Connect all alternator terminals. 14. Connect the negative battery cable. Disconnect the negative battery cable. Disconnect the wiring and label for easy installation. Remove the air conditioning compressor drive belt. Loosen the alternator adjusting bracket locknut and adjusting screw. Remove the alternator belt. 5. Remove the bracket locknut and mounting bolt. 6. Remove the pivot bolt and nut. 7. Remove the alternator from the engine. 8. Position the alternator against the engine. 9. Install pivot bolt and nut. 10. Set the mounting bracket in place and install the bracket mounting bolt and locknut. 11. Install the drive belts and adjust to specification. 12. Tighten all the mounting bolts and nuts. 13. Connect all alternator terminals. 14. Connect the negative battery cable.

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Special tooling required Mot. 1732 Tool for removing and re?tting the alternator pulley Tightening torquesm the alternator decou- pling pulley I – PARTS AND CONSUMABLES FOR THE REPAIRS Parts always to be replaced: – the alternator belt, – the tensioning roller, – the mechanic tension wheel mounting bolts. II – PRECAUTIONS DURING REPAIR It is essential to replace an alternator decoupling pulley with a decoupling pulley. III – EQUIPMENT REQUIRED – Torque wrench capable of tightening a left-hand thread. IV – REMOVAL Remove the vehicle alternator (see 16A, Starting – charging, Alternator 110276 110268 Position adapter (2) from the tool kit (Mot. 1732) (corresponding to the alternator rotor recess) in the hexagon socket (1). 110267 Position the hexagon socket (1) from the tool box (Mot. 1732) in the alternator pulley. 110269 Position the adapter holder (3) in socket (2). 110270 Hold the hexagon socket (1) using an open-jawed spanner (4). Loosen the decoupling pulley (5) using a ratchet, (6) (turning it in the clockwise direction.). Remove the decoupling pulley. V – REFITTING Position: – the hexagon socket in the alternator (1), – the adapter (2) (corresponding to the alternator ro- tor mark), – the adapter holder (3) on the adapter(2). Note: Check that the torque wrench is capable of tigh- tening in an anticlockwise direction. 110266 Screw the new decoupling pulley onto the alternator rotor. Tighten to torque the alternator decoupling pulley (80 Nm) using a torque wrench(7). Refit the vehicle alternator (see 16A, Starting – charging, Alternator).

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Wiring Diagram Index IMPORTANT NOTE This manufacturer uses “Track” style wiring diagrams. For information on how to use these diagrams effectively, please refer to Diagram Information and Instructions. See: Diagram Information and Instructions Oil Pressure Switch – Warning Buzzer NOTE: Starting with fuse 23, fuses in the fuse holder are identified with an additional numeral 2 added to the number when shown in the wiring diagram (i.e. fuse 23 in the vehicle becomes 223 in the diagrams, fuse 24 becomes 224, and so on). Track 1-14 IMPORTANT NOTE This manufacturer uses “Track” style wiring diagrams. For information on how to use these diagrams effectively, please refer to Diagram Information and Instructions. See: Diagram Information and

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NOTE: Wiring Diagrams are classified by OE as belonging to one of three categories. These Three OE Categories Are:: 1 – Standard Equipment 2 – Engine Specific 3 – System Specific and Optional Equipment  Presents These Three Categories As Follows: Standard Equipment This category includes equipment such as Instrument Cluster and Gauges, Headlights/Tail Lights/Turn Signals, Rear Window Defroster, Wipers and Washers, etc.. Standard equipment is found on all vehicles regardless of which engine or optional equipment is installed. The Standard Equipment diagrams can be found at Power and Ground Distribution diagrams. These diagrams have a hyperlinked Wiring Diagram Index that lists all of the components shown within them. Click on the link for the component in question, and the link will take you to the first appropriate diagram with that component’s circuit. Engine Specific This category includes components and systems circuits such as Starting and Charging Systems, Engine Controls, Ignition System, Fuel Injection System, etc., which are unique to a specific engine. The Engine Specific diagrams can be found at Powertrain Management diagrams. These diagrams have a hyperlinked Wiring Diagram Index that lists all of the components shown within them. Click on the link for the component in question, and the link will take you to the first appropriate diagram with that component’s circuit. System Specific and Optional Equipment This category includes equipment such as Air Bag Systems, Anti-lock Brake System, Heated Seats, HVAC System, Comfort System, etc. and provides circuit details for those systems and components