Jeep Cherokee (XJ): Removal and installation

Generator

REMOVAL

WARNING: DISCONNECT NEGATIVE CABLE FROM BATTERY BEFORE REMOVING BATTERY OUTPUT WIRE (B+ WIRE) FROM GENERATOR. FAILURE TO DO SO CAN RESULT IN INJURY OR DAMAGE TO ELECTRICAL SYSTEM.

(1) Disconnect negative battery cable at battery.

(2) Remove generator drive belt. Refer to Group 7, Cooling System for procedures.

(3) Left Hand Drive (LHD) Vehicles Only: Remove generator pivot and mounting bolts/nut (Fig. 1) or (Fig. 2). Position generator for access to wire connectors.

(4) Right Hand Drive (RHD) Vehicles Only: Remove upper nut (generator adjustment nut) and both belt adjustment bolts (Fig. 3). Remove generator lower nut/bolt. Position generator for access to wire connectors.

(5) If equipped, unsnap plastic cover from B+ terminal.

(6) Remove B+ terminal mounting nut at rear of generator (Fig. 4). Disconnect terminal from generator.

(7) Disconnect field wire connector at rear of generator by pushing on connector tab.

(8) Remove generator from vehicle.

Fig. 1 Remove/Install Generator-2.5L Engine
Fig. 1 Remove/Install Generator-2.5L Engine

1 - UPPER MOUNTING BRACKET
2 - GENERATOR
3 - UPPER BOLT
4 - LOWER BOLT

Fig. 2 Remove/Install Generator-4.0L Engine-LHD
Fig. 2 Remove/Install Generator-4.0L Engine-LHD

1 - UPPER MOUNTING BRACKET
2 - GENERATOR
3 - UPPER BOLT
4 - LOWER BOLT

INSTALLATION

(1) Position generator to engine and snap field wire connector into rear of generator.

(2) Install B+ terminal to generator mounting stud. Tighten mounting nut to 8.5 N·m (75 in. lbs.) torque.

Fig. 3 Remove/Install Generator-4.0L Engine-RHD
Fig. 3 Remove/Install Generator-4.0L Engine-RHD

1 - UPPER NUT
2 - LOWER BOLT
3 - GENERATOR
4 - BELT ADJUSTMENT BOLTS

Fig. 4 Generator Connectors-Typical Denso
Fig. 4 Generator Connectors-Typical Denso

1 - FIELD WIRES
2 - B+ (OUTPUT TERMINAL)
3 - FIELD WIRE CONNECTOR

(3) If equipped, snap plastic cover to B+ terminal.

(4) LHD Vehicles: Install generator fasteners and tighten as follows: ² Generator upper mounting bolt-55 N·m (41 ft.

lbs.) torque.

² Generator lower pivot bolt/nut-55 N·m (41 ft.

lbs.) torque.

CAUTION: Never force a belt over a pulley rim using a screwdriver. The synthetic fiber of the belt can be damaged.

CAUTION: When installing a serpentine accessory drive belt, the belt MUST be routed correctly. The water pump will be rotating in the wrong direction if the belt is installed incorrectly, causing the engine to overheat. Refer to belt routing label in engine compartment, or refer to Belt Schematics in Group 7, Cooling System.

(5) LHD Vehicles: Install generator drive belt.

Refer to Group 7, Cooling System for procedures.

(6) RHD Vehicles: Install upper nut (generator adjustment nut) and both belt adjustment bolts.

Install generator lower nut/bolt.

(7) RHD Vehicles: On vehicles equipped with RHD, the generator is used to adjust the serpentine belt.

Refer to Group 7, Cooling System for belt routing, belt adjustment and bolt tightening procedures.

(8) Install negative battery cable to battery.

Battery temperature sensor

The battery temperature sensor is located under vehicle battery (Fig. 5) and is attached to a mounting hole on battery tray.

Fig. 5 Battery Temperature Sensor
Fig. 5 Battery Temperature Sensor

1 - BATTERY TEMPERATURE SENSOR
2 - BATTERY TRAY

REMOVAL

(1) Remove battery. Refer to Group 8A, Battery for procedures.

(2) Disconnect sensor pigtail harness from engine wire harness.

(3) Pry sensor straight up from battery tray mounting hole.

INSTALLATION

(1) Feed pigtail harness through hole in top of battery tray and press sensor into top of battery tray.

(2) Connect pigtail harness.

(3) Install battery. Refer to Group 8A, Battery for procedures.

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