Fan Shroud: Service and Repair

Removal Procedure





1. Remove the air cleaner assembly.
2. Remove the air intake duct.
3. Remove the coolant reservoir or surge tank.
4. If equipped with 4.3L, 5.0L, and 5.7L, remove the bolt securing the engine and transmission oil level indicator at the generator bracket.
5. If equipped with 4.3L, 5.0L, and 5.7L, remove the bolt securing the engine oil fill tube at the generator bracket.





6. Move the oil level indicator tubes and oil fill tube away from the fan shroud.





7. If equipped with 6.5L, remove the wiring harness clip retainers from the fan shroud.
8. Remove the upper fan shroud retaining bolts from the top of the radiator.





9. Remove the upper to lower fan shroud retaining bolts.
10. Remove the upper fan shroud from the vehicle. The fan shroud for the 4.3L engine will require to push the radiator intake hose aside for clearance.
11. Remove the fan and the clutch from the engine.





12. Remove the lower fan shroud retaining bolts.
13. Remove the lower fan shroud from the vehicle.

Installation Procedure





1. Install the lower fan shroud to the vehicle.

Notice: Refer to Fastener Notice in Service Precautions.

2. Install the retaining bolts to the lower fan shroud.
^ Tighten the lower fan shroud retaining bolts to 8 Nm (71 inch lbs.).
3. Install the fan and the clutch to the engine.





4. Install the upper fan shroud to the lower fan shroud.
5. Install the upper to lower fan shroud retaining bolts.
^ Tighten the bolts to 8 Nm (71 inch lbs.).





6. Install the upper fan shroud retaining bolts to the top of the radiator.
^ Tighten the bolts to 8 Nm (71 inch lbs.).





7. If equipped with 4.3L, 5.0L, and 5.7L, reseal the engine upper to lower oil level indicator tube.
^ Apply RTV sealant GM P/N 12346286 or equivalent to the top end of the oil level indicator tube at the joint.
^ Install the top half of the tube into the lower half of the oil level indicator tube.





8. Install the bolt retaining the oil level indicator tube and the transmission fluid fill tube to the oil fill tube lower support.
^ Tighten the tubes lower support bolt to 4 Nm (44 inch lbs.).





9. Install the screw holding the oil fill tube to the oil fill tube lower support.
10. Install the coolant reservoir or surge tank.
11. Install the air intake duct from the throttle body.
12. Install the air cleaner assembly.