Chevrolet 25948772 Clutch Assembly, Fan Blade

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First, unbolt it from the clutch if necessary. Then, tighten the fan-to-clutch bolts to the specified torque.

The vehicles covered in this check are equipped with viscous fan clutches. For safety purposes, it is important to remove the key from the ignition switch. The check begins with a visual inspection, specifically inspecting the fan blades for cracks or damage. Any fan that shows signs of either should be replaced. Next, wiggle the fan blade from side to side and ensure that there is 1/4-inch or less play in the fan. If there is excessive play, the clutch should be replaced. Additionally, inspect the clutch for signs of leakage and proper tightness to the water pump. If leakage is present, the clutch should be replaced. Turn the fan blades and note the resistance, which should be less with a cold engine. Drive the vehicle until the engine is warmed up, then shut it off and remove the key. Turn the fan blades again and note the resistance, which should have a noticeable increase. If the fan clutch fails this check or is locked up solid, replacement is indicated.

Turn the fan blades and note the resistance, which should be less with a cold engine. Drive the vehicle until the engine is warmed up, then shut it off and remove the key. Turn the fan blades again and note the resistance, which should have a noticeable increase.

Reverse the removal steps to complete the installation. Finally, check the coolant level and add more if needed to bring it to the appropriate level.