9-7X V8-5.3L (2005)
Fluid - Differential: Fluid Type Specifications
Fluid Types
Differential Fluid
Front ......................................................................................................................................... SAE 75W-90 Synthetic Axle Lubricant (Part No 89021677)
Rear Axle (4.2L/5.3L)* ............................................................................................................ SAE 75W-90 Synthetic Axle Lubricant (Part No 89021677)
Rear Axle (6.0L)** .................................................................................................................. SAE 75W-90 Synthetic Axle Lubricant (Part No 89021677)
*With a complete drain/fill, if using GM synthetic axle lubricant P/N 89021677, add 118 ml (4.0 oz) of limited slip axle lubricant additive to the axle. If
using DEXRON LS gear oil P/N 88862624, DO NOT add the limited slip additive to the axle.
**With a complete drain/fill, if using GM synthetic axle lubricant P/N 89021677, add 163 ml (5.5 oz) of limited slip axle lubricant additive to the axle. If
using DEXRON LS gear oil P/N 88862624, DO NOT add the limited slip additive to the axle.