Differentials & Drive Axles: Lubrication

Fill differential with 80W-90 GL-5 Gear Lubricant (1052271 ). See LUBRICATION CAPACITIES table. On Caprice and Roadmaster, add 4 ounces (.12L) of limited slip additive (1052358).

LUBRICATION CAPACITIES ⁽¹⁾

Application

Pts. (L)

7 1/2" & 7 5/8" Ring Gear

3.5 (1.7)

8 1/2" & 9 1/2" Ring Gear

4.3 (2.0)

⁽¹⁾	Fill no lower than 9/16" (15 mm) below edge of filler hole.