CTS Coupe RWD V8-6.2L SC (2011)
Fluid - Differential: Fluid Type Specifications
FRONT DRIVE AXLE
Synthetic Differential Lubricant GL-5 75W90 GM P/N 89021677 (Canadian P/N 89021678)
REAR DRIVE AXLE
Synthetic Differential Lubricant GL-5 75W-90 G/M P/N 89021677 (Canadian P/N 89021678)
LIMITED SLIP DIFFERENTIAL
Limited Slip Differential Lubricant Additive GM P/N 1052358 (Canadian P/N 992694)
