THE DIFF PINION BEARING IS THE MOST COMMON ISSUE WITH THE REAR DIFF AND CAN CAUSE A RUMBLE, HIGH PITCHED WHINE OR HUMMING NOISES. INCLUDESOEM OIL FOR THE DIFF AND HALDEX UNIT AND ALL O-RINGS, SEALS, SPACER, NUT AND BEARING TO OVERHAUL THE DIFF PINION BEARING.
