Generator Bracket Replacement 4.8L, 5.3L, and 6.0L Engines

1. Remove the battery cable junction block bracket bolts.



2. Remove the generator. Refer to Generator Replacement .
3. Remove the power steering pump. Refer to Power Steering Pump Replacement in Power Steering System.
4. Remove the generator bracket bolts.
5. Remove the generator bracket.

1. Install the generator bracket.

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

2. Install the generator bracket bolts.

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

3. Install the power steering pump. Refer to Power Steering Pump Replacement in Power Steering System.
4. Install the generator. Refer to Generator Replacement .



5. Install the battery cable junction block bracket bolts.

Tighten
Tighten the battery cable junction block bracket bolts to 9 N·m (80 lb in).

Generator Bracket Replacement 4.3L

1. Loosen the air cleaner outlet duct clamp at the mass airflow/intake air temperature (MAF/IAT) sensor.



2. Remove the positive crankcase ventilation (PCV) hose.



3. Remove the air cleaner adapter nut.



4. In order to remove the air cleaner outlet duct, pivot the duct upward until the hinge clip releases from the lip on the throttle body.
5. Remove the cooling fan. Refer to Fan Replacement in Engine Cooling.
6. Remove the drive belt. Refer to Drive Belt Replacement in Engine Mechanical - 4.3L.



7. Remove the wiring harness bracket bolt.



8. Remove the heater hose bracket bolt.
9. Remove the generator. Refer to Generator Replacement .
10. Remove the drive belt tensioner. Refer to Drive Belt Tensioner Replacement in Engine Mechanical - 4.3L.
11. Remove the drive belt idler pulley. Refer to Drive Belt Idler Pulley Replacement - Right Side or Drive Belt Idler Pulley Replacement - without Air Conditioning in Engine Mechanical - 4.3L.



12. Remove the generator bracket bolts and nut.
13. Remove the generator bracket.

1. Install the generator bracket.

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

2. Install the generator bracket bolts and nut.

Tighten
Tighten the generator bracket bolts/nut to 41 N·m (30 lb ft).

3. Install the drive belt idler pulley. Refer to Drive Belt Idler Pulley Replacement - Right Side or Drive Belt Idler Pulley Replacement - without Air Conditioning in Engine Mechanical - 4.3L.
4. Install the drive belt tensioner. Refer to Drive Belt Tensioner Replacement in Engine Mechanical - 4.3L.
5. Install the generator. Refer to Generator Replacement .



6. Install the heater hose bracket bolt.

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




7. Install the wiring harness bracket bolt.

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

8. Install the cooling fan. Refer to Fan Replacement in Engine Cooling.
9. Install the drive belt. Refer to Drive Belt Replacement in Engine Mechanical - 4.3L.



10. Align the hinge clip with the lip on the throttle body.

In order to install the air cleaner outlet duct, pivot the air cleaner outlet duct downward until the mounting stud is through the hole.




11. Install the air cleaner adapter nut.



12. Install the PCV hose.



13. Tighten the air cleaner outlet duct clamp at the MAF/IAT sensor.