Generator Replacement 6.6L

Caution: Refer to Battery Disconnect Caution in the Preface section.

1. Remove the upper fan shroud. Refer to Engine Coolant Fan Upper Shroud Replacement .
2. Remove the drive belt. Refer to Drive Belt Replacement .



3. Remove the generator bolts (1).
4. Remove the generator front support bracket attached to the generator bracket and the generator.
5. Reposition the generator to access wiring.
6. Remove the positive battery cable nut from the generator.
7. Disconnect the generator electrical connector.
8. Remove the generator (2).

1. Install the generator (2) to the generator bracket.
2. Connect the generator electrical connector.

Notice: Refer to Fastener Notice in the Preface section.

3. Install the positive battery cable to the generator stud.
4. Install the cable nut to the generator stud.

Tighten
Tighten the positive cable nut to 10 N·m (89 lb in).

5. Install the generator bolts (1).

Tighten
Tighten the generator bolts to 50 N·m (37 lb ft).

6. Install the generator front support bracket and attach it to the generator and the generator bracket.
7. Install the drive belt. Refer to Drive Belt Replacement .
8. Install the upper fan shroud. Refer to Engine Coolant Fan Upper Shroud Replacement .

Generator Replacement 4.3L

1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
2. Remove the drive belt. Refer to Drive Belt Replacement .
3. Unbolt and reposition the oil level indicator tube. Refer to Oil Level Indicator and Tube Replacement .
4. Unbolt and reposition the oil fill tube. Refer to Oil Filler Tube Replacement .
5. Disconnect the engine wiring harness electrical connector (1) from the generator.
6. Remove the oil fill tube bracket stud (2).
7. Reposition the engine wiring harness clip.



8. Reposition the positive battery cable boot (2) at the generator.
9. Remove the generator nut (3).
10. Remove the positive battery cable (1) from the generator.



11. Remove the oil fill tube bracket bolt (2) and bracket (1).



12. Remove the generator bolts (2) and generator (1).

Notice: Refer to Fastener Notice in the Preface section.




1. Install the generator (1) and bolts (2).

Tighten
Tighten the bolts to 50 N·m (37 lb ft).




2. Install the oil fill tube bracket (1) and bolt (2).

Tighten
Tighten the bolt to 25 N·m (18 lb ft).




3. Install the positive cable (1) to the generator.
4. Install the generator nut (3).

Tighten
Tighten the nut to 10 N·m (89 lb in).

5. Position the positive cable boot (2) at the generator.



6. Position the engine wiring harness clip to the generator bracket.
7. Install the oil fill tube bracket stud (2).

Tighten
Tighten the stud to 25 N·m (18 lb ft).

8. Connect the engine wiring harness electrical connector (1) to the generator.
9. Position and install the oil fill tube. Refer to Oil Filler Tube Replacement .
10. Position and install the oil level indicator tube. Refer to Oil Level Indicator and Tube Replacement .
11. Install the drive belt. Refer to Drive Belt Replacement .
12. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .

Generator Replacement 4.8L /5.3L /6.0L

Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
2. Remove the accessory drive belt. Refer to Drive Belt Replacement - Accessory .
3. Disconnect the generator electrical connector (3).



4. Remove the generator cable from the generator, perform the following:

4.1.	Slide the boot down revealing the terminal stud.

4.2.	Remove the generator cable nut from the terminal stud.

4.3.	Remove the generator cable.




5. Remove the generator bolts.
6. Remove the generator from the bracket.

Notice: Refer to Fastener Notice in the Preface section.




1. Install the generator to the bracket.
2. Install the generator bolts.

Tighten
Tighten the bolts to 50 N·m (37 lb ft).




3. Install the generator cable to the generator, perform the following:

3.1.	Install the generator cable.

3.2.	Install the generator cable nut to the terminal stud.

Tighten
Tighten the generator cable nut to 10 N·m (89 lb in).

3.3.	Slide the boot over the terminal stud.




4. Connect the generator electrical connector (3).
5. Install the accessory drive belt. Refer to Drive Belt Replacement - Accessory .
6. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .