Sierra 3500 2WD V8-6.6L DSL Turbo (2006)
7. Center the engine cooling fan shroud to the fan blade in 3 places (1).
Important: Maintain a 6 mm (0.25 inch) minimum clearance at all 3 places.
8. Fully tighten the 3 engine cooling fan shroud bolts (1).
^
Tighten the bolts to 8 Nm (71 inch lbs.)
9. Install the upper fan shroud.