2007 GMC ACADIA FWD POWER STEERING FAILURE. FIRST INSTANCE FEB 2008 (VEHICLE 9 MONTHS OF AGE 38K MILES), STEERING HAD A WHINE NOISE AND BECOME VERY DIFFICULT TO TURN. STEERING VERY HEAVY. TOOK TO DEALER, POWER STEERING PUMP WAS REPLACED. NOV 2008 STEERING STARTING FAILING AGAIN WITH THE SAME SYMPTOMS. TOOK TO DEALER AND ONCE AGAIN THEY REPLACED THE POWER STEERING PUMP (MILEAGE AT 79K). FEB 2009 STEERING AGAIN STARTED FAILING WITH SAME CONDITIONS. TOOK IT TO THE DEALER AND THEY NOW REPLACE THE STEERING GEAR (MILEAGE 89K). NOV 2010 STEERING BEGAN FAILING AGAIN. TOOK IT TO THE DEALER AND THEY SAID IT NEEDED ANOTHER POWER STEER GEAR REPLACED. *TR