THOR MOTOR COACH (TMCRV) IS RECALLING CERTAIN MODEL YEAR 2008-2010 OUTLAW AND MODEL YEAR 2011 AVANTI RECREATIONAL VEHICLES MANUFACTURED FROM JANUARY 24, 2008, THROUGH SEPTEMBER 28, 2010, EQUIPPED WITH BOSCH HYDRAULIC DISC BRAKES. HYDRAULIC BRAKE EQUIPPED MOTORHOME CHASSIS EXPOSED TO LONG PERIODS OF TIME OF NON-DRIVING MAY EXPERIENCE DIAMETRICAL BRAKE CALIPER PISTON GROWTH AND REDUCED PISTON TO BORE CLEARANCE POTENTIALLY LEADING TO BRAKE DRAG AND OVERHEATING RESULTING IN REDUCED BRAKE PERFORMANCE.