Noise and judder can develop from the rear axle due to differential fluid breakdown. Replacing the fluid will commonly correct this issue.
Car Problem Reports
Honda Ridgeline Noise and Judder on Turns Due to Differential Fluid Breakdown
Honda Ridgeline Problem
Visitor, 2006 Honda Ridgeline, 85,000 mi
WHINING NOISE WHEN TURNING, ESPECIALLY WHEN JUST STARTING TO MOVE. DEALER REPLACED DIFFERENTIAL FLUID. HAS ONLY BEEN ONE DAY, SO FAR SO GOOD