Mechanics

GMC SAVANA FAN SHROUD PROBLEM

1999 GMC Savana • 135,000 miles

I have a slow leak on the bottom of radiator, I need to know how to remove it to replace. Or if I should try a stop leak first.


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Guest
March 17, 2013.



No, never use that stuff, creates more problems and never works.

Removal Procedure

1. Partially drain the coolant.

2. Remove the air cleaner and the duct.
3. Remove the coolant recovery reservoir or the surge tank.
•For the coolant recovery reservoir, refer to Coolant Recovery Reservoir Replacement in Cooling System.
•For the surge tank, refer to Surge Tank Replacement in Cooling System.
4. Remove the upper fan shroud retaining bolts from the top of the radiator.
5. Remove the upper to lower fan shroud retaining bolts.

6. Remove the upper fan shroud from the vehicle.
7. Remove the fan and the clutch from the engine.
8. Remove the lower fan shroud retaining bolts.

9. Remove the lower fan shroud from the vehicle.
10. Disconnect the clamps at the upper and the lower radiator hoses.

11. Remove the upper and lower radiator hoses from the radiator.
12. Disconnect the transmission oil cooler lines from the radiator.
13. Disconnect the engine oil cooler lines from the radiator.

14. Remove the radiator from the vehicle.
Installation Procedure

Notice: Refer to Coolant Addition Notice in Service Precautions.

1. Install the radiator to the vehicle.
2. Install the engine oil cooler lines to the vehicle.
3. Install the transmission oil cooler lines.

4. Connect the upper and the lower hoses to the radiator.
5. Install the clamps to the upper and lower radiator hose.

6. Install the lower fan shroud to the vehicle.
Notice: Refer to Fastener Notice in Service Precautions.

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

9. Install the upper fan shroud to the lower fan shroud.
10. Install the retaining bolts to the upper and lower fan shrouds.
•Tighten the retaining bolts to the upper and lower fan shrouds to 8 Nm (71 inch lbs.).

11. Install the upper fan shroud retaining bolts to the top of the radiator.
•Tighten the retaining bolts to the upper fan shroud to 8 Nm (71 inch lbs.).
12. Install the coolant recovery reservoir or the surge tank.
13. Install the air cleaner and the duct.
14. Refill the coolant.

ASEMaster6371
Mar 17, 2013.