Contents Wiring diagrams Section: Differentials & Drive Axles All sections

Drive Axle - 7.5" - 9.5": Maintenance GMC Pickup C2500

LUBRICATION

Fill differential with 80W or 80W-90 GL-5 gear lubricant to 1/4" (6 mm) below edge of filler hole. On models equipped with limited-slip or locking differentials, add 4 ozs (.12 L) of limited slip additive.