Engine Coolant Fan Shroud Replacement Upper

1. Disconnect the upper radiator hose from the radiator. Refer to Radiator Hose Replacement .
2. Disconnect the negative battery cable (dual batteries only). Refer to

   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.

   in General Information.



3. For the 5.0L, remove the upper fan shroud bolts and the upper fan shroud.



4. For the 5.7L, remove the upper fan shroud bolts and the upper fan shroud.



5. For the 4.3L, remove the upper fan shroud bolts and the upper fan shroud.



6. For the 7.4L, remove the upper fan shroud bolts and the upper fan shroud.



7. For the 6.5L (Diesel), remove the upper fan shroud bolts and the upper fan shroud.
8. Inspect the upper fan shroud for signs of damage. If necessary, replace the upper fan shroud.

1. For the 5.0L, install the upper fan shroud and upper fan shroud bolts.

Tighten
Tighten the bolts to 9 N·m (71 lb in).

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. For the 5.7L, install the upper fan shroud and upper fan shroud bolts.

Tighten
Tighten the bolts to 9 N·m (71 lb in).




3. For the 4.3L, install the upper fan shroud and upper fan shroud bolts.

Tighten
Tighten the bolts to 9 N·m (71 lb in).




4. For the 7.4L, install the upper fan shroud and upper fan shroud bolts.

Tighten
Tighten the bolts to 9 N·m (71 lb in).




5. For the 6.5L (Diesel), install the upper fan shroud and upper fan shroud bolts.

Tighten
Tighten the bolts to 9 N·m (71 lb in).

6. Connect the upper radiator hose to the radiator. Refer to Radiator Hose Replacement .
7. Connect the negative battery cable (dual batteries only).

Engine Coolant Fan Shroud Replacement Lower

1. Remove the upper fan shroud. Refer to Fan Shroud Replacement .
2. Raise the vehicle.
3. Remove the front differential carrier shield (if equipped). Refer to Front Driving Axle.



4. For the 5.0L, remove the lower fan shroud bolts and the lower fan shroud.



5. For the 5.7L, remove the lower fan shroud bolts and the lower fan shroud.



6. For the 4.3L, remove the lower fan shroud bolts and the lower fan shroud.



7. For the 7.4L, remove the lower fan shroud bolts and the lower fan shroud.



8. For the 6.5L (Diesel), remove the lower fan shroud bolts and the lower fan shroud.
9. Inspect the lower fan shroud for signs of damage. If necessary, replace the lower fan shroud.

1. For the 5.0L, install the lower fan shroud and the lower fan shroud bolts.

Tighten
Tighten the bolts to 9 N·m (71 lb in).

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. For the 5.7L, install the lower fan shroud and the lower fan shroud bolts.

Tighten
Tighten the bolts to 9 N·m (71 lb in).




3. For the 4.3L, install the lower fan shroud and the lower fan shroud bolts.

Tighten
Tighten the bolts to 9 N·m (71 lb in).




4. For the 7.4L, install the lower fan shroud and the lower fan shroud bolts.

Tighten
Tighten the bolts to 9 N·m (71 lb in).




5. For the 6.5L (Diesel), install the lower fan shroud and the lower fan shroud bolts.

Tighten
Tighten the bolts to 9 N·m (71 lb in).

6. Install the front differential carrier shield (if equipped). Refer to Front Driving Axle.
7. Lower the vehicle.
8. Install the upper fan shroud. Refer to Fan Shroud Replacement .