Differential, Final Drive

Standard, Toronado 80W, 80W-90* GL-5(Gear Oil, API Service GL-5)
Limited-Slip 80W, 80W-90* GL-5*(Special Lubricant for Limited-Slip Differential)

*For vehicles normally operated in Canada, 80W only

Capacity, Refill:
Cutlass 1.7 Liters 3.5 Pints
Toronado 1.5 Liters 3.3 Pints
88, 98:
7-1/2" ring gear 1.7 Liters 3.5 Pints
8-1/2", 8-3/4" ring gear 2.0 Liters 4.3 Pints

LIMITED-SLIP IDENTIFICATION:
Tag under rear cover-attaching bolt