For group info I just removed a failed Texas Kooler fan frommy BJ7. One blade broke off, and luckily,only cut through the heater inlet hose. Theblade broke off at the blade root with less than 5k miles. It was installed in 2011. A second blade was broken half way and athird had a tiny crack beginning. If youare using one I suggest regular inspections for hairline cracks at blade roots onthe backside of the leading edge.