System Specifications
FRONT DRIVE AXLESynthetic 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)