a should direct air flow to ensure proper cooling and efficient effective fan operation. Normally a shroud does not fail unless it has been hit by something. Often if a clutch fan clutch/bearing or a water pump hub driven fan water pump bearings fail it can allow the fan to wobble and hit the shroud or even the radiator. When the fan hits the shroud then fan and or shroud will often break and the broken pieces can also damage the radiator. Call Roy at 757-456-0722 if you would like a free loaner vehicle while we check and correct it for you.