The front or rear differential may develop an abnormal noise due to worn bearings or another internal fault. Our technicians tell us that a complete overhaul of the affected differential is commonly necessary to correct this condition.
Average mileage: 167,486 (98,700–246,000)
Drive Trains affected: 2WD, 4WD
24 people reported this problem
Well I live in maine so the weather is unpickdiable in winter and snow gets deep . very hard on trucks and put them to the test I make a Sharpe left hand turn after driveing for few hours .and hear a deep grinding noise I drive straight and I don't do it only when turning left . and not every time . so got a rear end from junk yard . and bearing and seal kit . they. Want 175 to 200 for left Axel and that's not even both only one .its a 3:42s with 8.5 inch pumpkin 1997 Chevy with 98k kinda disappointed in Chevy a little .
problem with reverse backing up up hill /4l6oE low reverse friction discs and sun shield. defective splines in sun shield causes excesive wear on friction discs. resolution is rbuild of transmission. My research revealed several complaints on Youtube on vehicles with 110,000 miles.